C/2013 R1 (Lovejoy)

C/2013 R1 (Lovejoy)
2015 Aug. 05.54 UT: m1=10.3 DSLR, Dia.=4.2′... 180-mm f/2.8 lens + Nikon D5100 Digital camera G plane... Katsumi Yoshimoto (Yamaguchi, Japan)
2015 Aug. 03.51 UT: m1=10.1 DSLR, Dia.=4.2′... 180-mm f/2.8 lens + Nikon D5100 Digital camera G plane... Katsumi Yoshimoto (Yamaguchi, Japan)
2015 Aug. 02.52 UT: m1=10.2 DSLR, Dia.=3.8′... 180-mm f/2.8 lens + Nikon D5100 Digital camera G plane... Katsumi Yoshimoto (Yamaguchi, Japan)
2014 Sep. 14.38 UT: m1=17.1 CCD, Dia.=0.3′... [T9] 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 12.39 UT: m1=16.2: CCD, Dia.=0.4′... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 July 26.42 UT: m1=16.1 CCD, Dia.=0.4′... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia) [faint object with small coma]
2014 June 30.12 UT: m1=16.3, DC=2... Visual Aperture 36″ F/3.5... Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 June 25.50 UT: m2=15.5 CCD, Dia.=&4′... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely Siding Spring, Australia) [comet’s passage against nebula]
2014 May  31.04 UT: m1=11.8, Dia.=1.5′, DC=4, no Tail... 20-cm SCT (118x)... Carlos Labordena (Castellón, España)
2014 May  30.92 UT: m1=11.7, Dia.=1.3′, DC=2... 32-cm L f/5 (96x)... Uwe Pilz (Leipzig, Germany)
2014 May  21.46 UT: m1=11.3: CCD, Dia.=&4.5′, Tail=30′ in PA: 325 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 May  19.93 UT: m1=13.1, Dia.=0.7’, DC=4... 50.8-cm L (189x)... Sandor Szabo (Sopron, Hungary)
2014 May  04.03 UT: m1=11.4, Dia.=2′, DC=4, no Tail... 20-cm SCT (80x)... Carlos Labordena (Castellón, España)
2014 May  03.71 UT: m1=11.3, Dia.=2.0′, DC=3... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan)
2014 May  02.67 UT: m1=12.0, Dia.=1.0’, DC=2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma among crowded star field, no Tail, outer coma diffuse and transparent, inner coma slightly more condensed, does not enhance using Swan Band filter]
2014 May  01.40 UT: m1=[11.2, negative... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Apr. 30.71 UT: m1=11.2, Dia.=1′, DC=2... 25.4-cm L f/5 (101x)... Stuart T. Rae (Karamu, New Zealand) [Comet in close proximity to 6th magnitude star making observation difficult]
2014 Apr. 27.12 UT: m1=11.3, Dia.=2′, DC=4, no Tail... 20-cm SCT (50x)... Carlos Labordena (Castellón, España)
2014 Apr. 26.23 UT: m1=11.5, Dia.=2′, DC=4... 22-cm L (160x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 Apr. 25.36 UT: m1=10.5: CCD, Dia.=&4.3′, Tail=9′ in PA: 298 deg ... 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Apr. 22.43 UT: m1=[11.0, negative... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Apr. 13.49 UT: m1=10.5, Dia.=3′, DC=1... 30×125 B... Carl Hergenrother (Tucson, Arizona, USA)
2014 Apr. 12.75 UT: m1=10.7, Dia.=3.6’, DC=3/... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse. Outer coma faint with a brighter, weakly condensed inner coma. Close to bright stars. Coma appears elongated to the West approximately though very faint. Enhances using Swan Band filter]
2014 Apr. 11.08 UT: m1=[10.1, NEGATIVE... 20×80 B... Marek Biely (Brno, Czech Republic) [Fainter than 10.1 mag.]
2014 Apr. 08.49 UT: m1=10.6, Dia.=3′, DC=2... 30×125 B... Carl Hergenrother (Tucson, Arizona, USA)
2014 Apr. 07.15 UT: m1=11.2, Dia.=1.5′, DC=3... 20-cm SCT (80x)... Carlos Labordena (Castellón, España)
2014 Apr. 05.75 UT: m1=10.2, Dia.=4′, DC=3/4... 20-cm L (85x)... Michael Mattiazzo (Swan Hill, Victoria) [Coma slightly condensed. Comet is brighter than anticipated and indicates a slow rate of fading, post perihelion]
2014 Apr. 05.69 UT: m1=10.2, Dia.=4′, DC=3... 25.4-cm L (40x)... Stuart Rae (Karamu, New Zealand)
2014 Apr. 05.23 UT: m1=10.9, Dia.=2′, DC=4... 22-cm L (120x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2104 Apr. 04.45 UT: m1=10.2, Dia.=3′, DC=2... 30×125 B... Carl Hergenrother (Tucson, Arizona, USA)
2014 Apr. 03.44 UT: m1=11.0, Dia.=4′, DC=2/, Tail= Not visible... 15-cm SCT (36x), Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Mar. 31.80 UT: m1=10.6, Dia.=2.9′, DC=3... 25.4-cm L f/4 (46x)... Katsumi Yoshimoto (Yamaguchi, Japan)
2014 Mar. 30.38 UT: m1=10.0, Dia.=2.4′, DC=3... 30.5-cm L f/4.9 (88x)... Todd Augustyniak (Harmon, Illinois, USA) [More diffuse than my last observation in Feb.... faint ~0.3′ extension visible at about PA: 295 deg.]
2014 Mar. 29.33 UT: m1=10.6, Dia.=2′, DC=4... 22-cm L (57.6x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 Mar. 29.06 UT: m1=8.5, Dia.=4.0′, DC=3... 50.8-cm L (78x)... Sandor Szabo (Sopron, Hungary)
2014 Mar. 28.48 UT: m1=9.9 CCD, Dia.=5.6′, Tail=&13′ in PA 284 deg ... 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Mar. 28.32 UT: m1=10.0:... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [nebulosity interference]
2014 Mar. 27.48 UT: m1=10.5, Dia.=5′, DC=2/, Tail= Not visible... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Mar. 25.51 UT: m1=10.3, Dia.=2′, DC=2... 30×125 B... Carl Hergenrother (Tucson, Arizona, USA)
2014 Mar. 16.32 UT: m1=9.3, Dia.=3’, DC=2, Tail: no visible... 25-cm SCT (62x)... Alberto Anunziato (Oro Verde, Argentina)
2014 Mar. 14.17 UT: m1=9.9, Dia.=2, DC=2/... 25.4-cm L f/5 (65x)... Maik Meyer (Limburg/Germany)
2014 Mar. 14.14 UT: m1=9.4, Dia.=2.9′, DC=3... 20×80 B... Marek Biely (Brno, Czech Republic) [Difficult to see it]
2014 Mar. 13.14 UT: m1=9.3, Dia.=3.0′, DC=4, 20×80 B... Marek Biely (Brno, Czech Republic)
2014 Mar. 12.17 UT: m1=9.6, Dia.=2.5′, DC=2/... 25.4-cm L f/5 (65x)... Maik Meyer (Limburg, Germany) [comet more pronounced using a Lumicon Swan Band Filter]
2014 Mar. 12.14 UT: m1=9.4, Dia.=2.6′, DC=3/... 20×80 B... Marek Biely (Brno, Czech Republic) [It is getting more diffuse and already slightly problematic to see]
2014 Mar. 11.83 UT: m1=9.6, Dia.=3.8′, DC=3... 25.4-cm L f/4 (46x)... Katsumi Yoshimoto (Yamaguchi, Japan)
2014 Mar. 11.17 UT: m1=9.4, Dia.=2′, DC=2/... 25.4-cm L f/5 (65x)... Maik Meyer (Limburg, Germany)
2014 Mar. 10.19 UT: m1=9.3, Dia.=3.5′, DC=2... 25.4-cm L f/5 (65x)... Maik Meyer (Limburg, Germany)
2014 Mar. 10.16 UT: m1=9.4, Dia.=4′, DC=5... 20-cm L (42x)... Alex Scholten (Eerbeek, Netherlands)
2014 Mar. 09.32 UT: m1=9.3, Dia.=3.0’, DC=4, Tail: not visible... 25-cm SCT (62x)... Alberto Anunziato (Oro Verde, Argentina)
2014 Mar. 09.14 UT: m1=9.1, Dia.=3.2′, DC=4... 20×80 B... Marek Biely (Brno, Czech Republic) [Fading slowly]
2014 Mar. 06.47 UT: m1=9.0, Dia=4.0′, DC=2/, Tail: visible... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Mar. 02.31 UT: m1=9.1, Dia.=3′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2014 Feb. 28.47 UT: m1=8.9 CCD, Dia.=8.3′, Tail=&22′, in PA 301 deg ... 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Feb. 28.30 UT: m1=9.1, Dia.=2.5′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2014 Feb. 25.32 UT: m1=8.8, Dia.=3′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2014 Feb. 22.19 UT: m1=8.0, Dia.=4, DC=4... 15-cm R f:5 (38x)... Maik Meyer (Limburg, Germany)
2014 Feb. 22.18 UT: m1=8.8, Dia.=~3′, DC=2... 20-cm L (42x)... Alex Scholten (Eerbeek, Netherlands) (moonlight)
2014 Feb. 20.88 UT: m1=8.3, Dia.=3.9′, DC=3/... 20-cm L f/5 (30x)... Man-To Hui (Nhut Thong Pau, Canton, China) [city lights]
2014 Feb. 19.51 UT: m1=8.0, Dia.=4′, DC=3/, Tail: Not visible... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Feb. 16.18 UT: m1=8.1, Dia.=2.8′, DC=3/... 15-cm R f:5 (38x)... Maik Meyer (Limburg, Germany)
2014 Feb. 13.73 UT: m1=9.1, Dia.=7’, DC=2... 11×70 B... Chris Wyatt (Walcha, NSW, Australia) [No Tail, coma appears circular, diffuse outer coma with slightly brighter centre]
2014 Feb. 13.15 UT: m1=8.3:, Dia.=&3.5′, DC=5... 20×80 B... Marek Biely (Brno, Czech Republic) [Tail is already not visible. Interference of hazy sky due to some high clouds and Moon on the west side behind the hill. Not sure observation.]
2014 Feb. 12.85 UT: m1=8.2, Dia.=4′, DC=5... 26×100 B... Katsumi Yoshimoto (Yamaguchi, Japan)
2014 Feb. 12.21 UT: m1=8.2, Dia.=5′, DC=3... 15×80 B... Alex Scholten (Eerbeek, Netherlands)
2014 Feb. 11.53 UT: m1=7.5, Dia.=6′, DC=5... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)
2014 Feb. 09.72 UT: m1=8.7, Dia.=2.5’, DC=4/5... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Very faint outer coma, brighter inner coma with moderately condensed central condensation, almost stellar, coma elongated to WNW. Very close to bright star, enhances using Swan Band filter, low altitude – 4.4°]
2014 Feb. 08.33 UT: m1=7.5, Dia.=6′, DC=4/, Tail= 15 ar-cmin in PA 285 degrees... 20×100 B... Marco Goiato (Araçatuba, Brasil) [Comet altitude: 19 degrees]
2014 Feb. 08.20 UT: m1=8.1, Dia.=4.0′... 7×50 B... Uwe Pilz (Leipzig, Germany) [In 15×70 B: DC=6, Tail: 0.05 deg. PA: 316 deg.]
2014 Feb. 07.32 UT: m1=7.4, Dia.=6′, DC=4, Tail= 0 10 arcmin in PA 300 degrees ... 20×100 B... Marco Goiato (Araçatuba, Brasil) [Comet altitude: 15 degrees]
2014 Feb. 06.75 UT: m1=8.1, Dia.=4... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia)
2014 Feb. 06.32 UT: m1=7.5, Dia.=5′, DC=4... 20×80 B... Willian Souza (Sao Paulo, Brazil)
2014 Feb. 05.23 UT: m1=7.9, Dia.=5′, DC=5... 15×80 B... Alex Scholten (Eerbeek,Netherlands)
2014 Feb. 04.12 UT: m1=7.8, Dia.=3.5′, DC=5/, Tail= 0.2 deg. in PA 310 deg ... 20×80 B... Marek Biely (Brno, Czech Republic) [Much smaller than last time. But still bright. Low altitude: 13°. Correction for atmospheric extinction was not needed]
2014 Feb. 03.33 UT: m1=7.2, Dia.=6′, DC=5... 20×80 B... Willian Souza (Sao Paulo, Brazil)
2014 Feb. 03.21 UT: m1=7.6, Dia.=5′, DC=6... 15×80 B... Alex Scholten (Eerbeek, Netherlands) [weak Tail of about 0.2 degrees in PA = 305 degrees]
2014 Feb. 02.33 UT: m1=7.2, Dia.=6′, DC=5... 10-cm R (25x)... Willian Souza (Sao Paulo, Brazil)
2014 Feb. 02.18 UT: m1=6.8, Dia.=5′, DC=5, Tail= 10′... 11×80 B... Carlos Labordena (Castellón, España)
2014 Feb. 02.18 UT: m1=7.0, Dia.=5′, DC=6, Tail= 17′... 20-cm SCT f:10 (50x)... Carlos Labordena (Castellón, España)
2014 Feb. 01.75 UT: m1=8.1, Dia.=3.5’, DC=5/6... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to NW, no Tail visible, enhances well in Swan Band filter, twilight interference, low altitude = 4.7°.
2014 Feb. 01.33 UT: m1=7.2, Dia.=6′, DC=5... 10-cm R (25x)... Willian Souza (Sao Paulo, Brazil)
2014 Jan. 31.50 UT: m1=7.5, Dia.=5′, DC=4/, Tail= Not visible... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Jan. 31.33 UT: m1=7.0, Dia.=7′, DC=5... 20×80 B... Willian Souza (Sao Paulo, Brazil)
2014 Jan. 31.22 UT: m1=7.5, Dia.=5′, DC=6... 15×80 B... Alex Scholten (Eerbeek, Netherlands)
2014 Jan. 30.32 UT: m1=7.1, Dia.=7′, DC=4... 20×100 B... Marco Goiato (Araçatuba, Brasil) [Comet altitude: 9 degrees]
2014 Jan. 29.22 UT: m1=7.5, Dia.=5′, DC=6... 15×80 B... Alex Scholten (Eerbeek, Netherlands)
2014 Jan. 29.22 UT: m1=7.1, Dia.=5′, DC=4, Tail= 15′... 20-cm SCT f:10 (50x)... Carlos Labordena (Castellón, España)
2014 Jan. 28.24 UT: m1=7.4, Dia.=5′, DC=6... 15×80 B... Alex Scholten (Eerbeek, Netherlands) (weak hint of Tail in PA = 310 degrees)
2014 Jan. 27.21 UT: m1=7.4, Dia.=5′, DC=6... 15×80 B... Alex Scholten (Eerbeek, Netherlands) (in 42x200L Tail l = 0.2 degrees PA = 320 degrees, comet close to 72 Oph)
2014 Jan. 26.16 UT: m1=7.1, Dia.=5′, DC=5... 25×100 B... Martin Lehky (Czech Republic)
2014 Jan. 23.65 UT: m1=7.2, Dia.=5′, DC=5, Tail= 40min. in PA: 330 deg ... 20×60 B... Michael Linnolt (Ocean View, Hawaii, USA) [SQM-L: 20.1 mag/arcsec^2, Reference stars: TYC 1015-1429-1 (7.44), TYC 1016-413-1 (7.01), Moonlight but good sky transparency]
2014 Jan. 19.66 UT: m1=6.9, Dia.=5′, DC=5, Tail= 0.33 deg. PA: 325 deg ... 20×60 B... Michael Linnolt (Ocean View, Hawaii, USA) [SQM-L: 21.6 mag/arcsec^2, Reference stars: TYC 1551-1325-1 (6.33) TYC 1005-421-1 (6.90), Excellent sky conditions]
2014 Jan. 12.23 UT: m1=6.7, Dia.=4′, DC=7... 15x80B... Alex Scholten (Eerbeek, Netherlands) [Tail I= 0.7 degrees PA= 320 degrees, comet close to group of stars]
2014 Jan. 12.16 UT: m1=6.5, Dia.=7′, DC=6, Tail= 0.9 deg. in PA: 325 deg ... 20×80 B (20x)... Marek Biely (Brno, Czech Republic) [Easy to find, comet is very condensed. Clouds interference]
2014 Jan. 11.87 UT: m1=6.2, Dia.=8′, DC=6/,Tail= 0.8 deg in PA: 330 deg ... 8×42 B... Katsumi Yoshimoto (Yamaguchi, Japan)
2014 Jan. 11.66 UT: m1=6.5, Dia.=4′, DC=6, Tail= 1 deg. PA: 330 deg ... 20×60 B... Michael Linnolt (Ocean View, Hawaii, USA) [SQM-L: 19.0 mag/arcsec^2, Reference stars: TYC 1011-7-1 (6.27), TYC 1016-413-1 (7.01), Bright moon opposite of comet, but good transparency]
2014 Jan. 10.24 UT: m1=6.5, Dia.= 5′ DC=6/... 10×50 B... Alex Scholten (Eerbeek, Netherlands) [Tail I = 0.8 degrees PA = 335 degrees]
2014 Jan. 07.54 UT: m1=6.5, Dia.=5′, DC=6... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA) [observed through thin cirrus, LM=5.5]
2014 Jan. 07.24 UT: m1=5.9, Dia.=10′, DC=6, Tail= 50′... 11×80 B... Carlos Labordena (Castellón, España)
2014 Jan. 07.23 UT: m1=6.4, Dia.= 8′ DC=6... 10×50 B... Alex Scholten (Eerbeek, Netherlands) [Tail I = 0.9 degrees PA = 330 degrees]
2014 Jan. 04.17 UT: m1=6.4, Dia.=6′, DC=5/... 10x50B... Alex Scholten (Eerbeek, Netherlands) [Tail I= 0.5 degrees PA= 335 degrees]
2014 Jan. 03 87 UT: m1=6.2, Dia.=8′, DC=6, Tail= 0.7 deg in PA: 330 deg ... 8×42 B... Katsumi Yoshimoto (Yamaguchi, Japan)
2014 Jan. 03.52 UT: m1=6.4, Dia.=4′, DC=7... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)[LM = 6.0]
2014 Jan. 01 86 UT: m1=6.1, Dia.=10′, DC=6, Tail= 1.2 deg in PA: 330 deg ... 8×42 B... Katsumi Yoshimoto (Yamaguchi, Japan)
2013 Dec. 31.54 UT: m1=6.1, Dia.=6′, DC=7... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA) [SQM=20.48, LM=6.0]
2013 Dec. 31.20 UT: m1=6.0 CCD, Dia.=4.3′, DC=6, Tail= 0.51 deg in PA: 340 deg ... 6.8-cm R f/5.9 (5x60s)... Mieczyslaw Leszek Paradowski (Lublin, Poland) [Lumicon Comet Filter Band Pass 494-523 nm used, clouds, comet alt. 29.5 deg... comparison star: TYC1545-214-1 V=10.66 with color index B-V=0.50]
2013 Dec. 31.19 UT: m1=6.2 CCD, Dia.=4.3′, DC=6, Tail= 0.51 deg in PA: 340 deg ... 6.8-cm R f/5.9 (6x60s)... Mieczyslaw Leszek Paradowski (Lublin, Poland) [Lumicon Comet Filter Band Pass 494-523 nm used, clouds, comet alt. 27.2 deg... comparison star: TYC1545-214-1 V=10.66 with color index B-V=0.50]
2013 Dec. 30.20 UT: m1=5.7, Dia.=4.5′, DC=d7, Tail=2.6 deg. in PA: 346 deg ... 12-cm R (40x)... Uwe Pilz (Leipzig, Germany)
2013 Dec. 30.20 UT: m1=5.9, Dia.=7′, DC=6... 10x50B... Alex Scholten (Eerbeek, Netherlands) [Tail I= 0.9 degrees (1.5 degrees in 15x80B)... PA= 335 degrees]
2013 Dec. 30.20 UT: m1=6.0, Dia.=7.5′, DC=5/, Tail= 1.1 deg. in PA: 355 deg ... 20×80 B... Marek Biely (Brno, Czech Republic) [Although it is fading, it´s still very bright and it has long Tail]
2013 Dec. 28.21 UT: m1=6.3, Dia.=10′, DC=5, Tail= 1.5 deg. PA: 350 deg ... 10×80 B... Martin Lehky (Czech Republic)
2013 Dec. 25.54 UT: m1=5.9, Dia.=3′, DC=7... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)[Tail 1.1 deg long in p.a. 330 deg]
2013 Dec. 25.15 UT: m1=5.6, Dia.=9′, DC=5, Tail= 0.65 deg. in PA: 350 deg ... 20×80 B... Marek Biely (Brno, Czech Republic) [Some high clouds and moonlight interference.]
2013 Dec. 23.24 UT: m1=5.8, Dia.=6′, DC=6... 10x50B... Alex Scholten (Eerbeek, Netherlands) [Tail I=1 degree (1.7 degrees in 15x80B)... PA= 340 degrees, moonlight]
2013 Dec. 22.50 UT: m1=6.5:, DC=5/, Tail: Visible... 10×50 B, Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Dec. 19.73 UT: m1=5.8, Dia.=~5′, DC=6... 15×80 B... Alex Scholten (Eerbeek, Netherlands) [altitude 14 degrees, weak Tail I=?... PA= 345 degrees]
2013 Dec. 19.54 UT: m1=5.7, Dia.=-, DC=3... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)
2013 Dec. 18.71 UT: m1=5.8, Dia.=~5′, DC=6/... 15×80 B... Alex Scholten (Eerbeek, Netherlands) [altitude 19 degrees, weak Tail I= 0.9 degrees... PA= 345 degrees]
2013 Dec. 17.53 UT: m1=6.2:, Dia.=8′, DC=5/, Tail= 0.5 deg in PA: 345deg ... 10×50 B... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Dec. 17.20 UT: m1=5.6, Dia.=15′, DC=5... Naked Eye... Martin Lehky (Czech Republic)
2013 Dec. 16.17 UT: m1=5.4, Dia.=9.5′, DC=6, Tail= 2.5 deg in PA: 355 deg ... 20×80 B... Marek Biely (Brno, Czech Republic) [Fading slowly, it is still very bright]
2013 Dec. 15.23 UT: m1=4.9, Dia.=12′, DC=6, Tail= 1.5 deg ... Naked Eye... Carlos Labordena (Castellón, España)
2013 Dec. 15.22 UT: m1=5.1, Dia.=12′, DC=7, Tail= 4.5 deg ... 11×80 B... Carlos Labordena (Castellón, España)
2013 Dec. 14.87 UT: m1=5.5, Dia.=10′, DC=6/, Tail= 1.2 deg in PA 345 deg ... 8×42 B... Katsumi Yoshimoto (Yamaguchi, Japan)
2013 Dec. 14.65 UT: m1=6.0, Dia=5′, DC=5, Tail= 30′ in PA: 350°... 20×60 B... Mike Linnolt (Ocean View, HI, USA) [Twilight beginning, getting low to horizon. Comps TYC2580-2438-1 4.85, TYC2580-2437-1 6.40, Tycho2+Bessell corrections. Coma still somewhat elongated in direction of Tail]
2013 Dec. 14.53 UT: m1=5.8, Dia.=6′, DC=7... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA) [Tail 0.9 deg long in p.a. 350 deg]
2013 Dec. 14.16 UT: m1=6.1, Dia.=7′, DC=7, Tail= 1.7deg ... 15×70 B... Peter Mitrofanov (Pskov, Russia)
2013 Dec. 13.69 UT: m1=5.7, Dia.=4′, D=5, Tail= 0.7 deg. PA: 345 deg ... 7×50 B... Uwe Pilz (Leipzig, Germany)
2013 Dec. 13.43 UT: m1=5.0 CCD, Dia.=9’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Dec. 12.43 UT: m1=6.3 CCD, Dia.=12’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Dec. 12.235 UT: m1=4.9, Dia.=12′, DC=6, Tail= 1′... Naked Eye... Carlos Labordena (Serra d’Engarcerà, Castellón, España)
2013 Dec. 12.232 UT: m1=5.2, Dia.=12′, DC=7, Tail= 4′... 11×80 B... Carlos Labordena (Serra d’Engarcerà, Castellón, España)
2013 Dec. 10.73 UT: m1=5.5, Dia.=~8′, DC=7... 15x80B... Alex Scholten (Eerbeek, Netherlands) [hazy, moon, altitude 17 degrees]
2013 Dec. 10.52 UT: m1=5.5, Dia.=8′, DC=5/, Tail= 0.5 deg in PA: 335 deg ... 10×50 B... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Dec. 10.23 UT: m1=5.4, Dia.=10′, DC=7, Tail= 2.20 deg in PA: 350 deg ... 8×40 b... Jakub Cerny (España)
2013 Dec. 09.23 UT: m1=5.5, Dia.=10′, DC=7, Tail= 2.10 deg in PA: 350 deg ... 8×40 b... Jakub Cerny (España)
2013 Dec. 08.84 UT: m1=5.4, Dia.=12′, DC=6/, Tail= 1.9 deg in PA 340 deg ... 8×42 B... Katsumi Yoshimoto (Yamaguchi, Japan)
2013 Dec. 08.40 UT: m1=6.6 CCD, Dia.=8’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Dec. 08.24 UT: m1=5.0, Dia.=10′, DC=7, Tail= 0.80 deg in PA: 345 deg ... Naked Eye... Jakub Cerny (España)
2013 Dec. 08.23 UT: m1=5.3, Dia.=10′, DC=7, Tail= 3.90 deg in PA: 345 deg ... 8×40 b... Jakub Cerny (España)
2013 Dec. 07.46 UT: m1= 6.3 CCD, Dia.=15’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Dec. 07.24 UT: m1=5.5, Dia.=10′, DC=7, Tail= 4.70 deg in PA: 340 deg ... 25×100 B... Jakub Cerny (España)
2013 Dec. 07.22 UT: m1=5.3, Dia.=10′, DC=7, Tail= 3.70 deg in PA: 340 deg ... 8×40 B... Jakub Cerny (España)
2013 Dec. 07.22 UT: m1=4.8 Dia.=13′, DC=6, Tail= 60′... Naked Eye... Carlos Labordena (España)
2013 Dec. 07.21 UT: m1=5.1 Dia.=12′, DC=7, Tail= 270′... 11×80 B... Carlos Labordena (España)
2013 Dec. 07.17 UT: m1=5.1, Dia.=11′, DC=5/, Tail= 2 deg. in PA: 345 deg ... 20×80 B... Marek Biely (Brno, Czech Republic) [Naked eye attempt unsuccesful due to fading of comet. Heavy snow clouds interference]
2013 Dec. 07.16 UT: m1=5.0, Dia.=7′, DC=6... 8×56 B... Sandor Szabo (Hungary) [Tail is 4.5deg long to PA 345 deg. Easy object to the unaided eye]
2013 Dec. 07.16 UT: m1=[4.7, NEGATIVE... Naked Eye... Marek Biely (Brno, Czech Republic)
2013 Dec. 06.54 UT: m1=[4.0... Naked Eye... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Dec. 06.53 UT: m1=5.4, Dia.=10′, DC=4/, Tail= Visible... 10×50 B... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Dec. 06.43 UT: m1=5.0, Dia.=20′, DC=4, Tail= 0.5 deg. in PA: 330deg ... 15×70 B... Willian Souza (Orlando, FL, USA)
2013 Dec. 06.22 UT: m1=5.7, Dia.=~10′, DC=7... 10x50B... Alex Scholten (Eerbeek, Netherlands) [weak Tail I= 1.4 degrees... PA= 340 degrees]
2013 Dec. 06.20 UT: m1=5.1, Dia.=10′, DC=7... Naked Eye... Jakub Cerny (España)
2013 Dec. 06.19 UT: m1=5.2, Dia.=10′, DC=7, Tail= 3.00 deg in PA: 340 deg ... 8×40 B... Jakub Cerny (España)
2013 Dec. 05.21 UT: m1=5.1, Dia.=12′, DC=7/... Naked Eye... Juan José González (Cueto Rosales – Riello, alt. 1420 m, León, España)
2013 Dec. 05.21 UT: m1=5.3, Tail= 2.2º in AP: 340º... 10×50 B... Juan José González (Cueto Rosales – Riello, alt. 1420 m, León, España)
2013 Dec. 05.20 UT: m1=5.0, Dia.=10′, DC=7... Naked Eye... Jakub Cerny (España)
2013 Dec. 05.19 UT: m1=5.2, Dia.=10′, DC=7, Tail= 2.25 deg in PA: 350 deg ... 8×40 B... Jakub Cerny (España)
2013 Dec. 04.17 UT: m1=5.1, Dia.=10′, DC=7/, Tail= 2.80 deg in PA: 335 deg ... 8×40 B... Jakub Cerny (España)
2013 Dec. 04.17 UT: m1=4.9, Dia.=10′, DC=7/... Naked Eye... Jakub Cerny (España)
2013 Dec. 03.13 UT: m1=5.7, Dia.=12′, DC=6... Naked Eye... Martin Lehky (Czech Republic)
2013 Dec. 02.54 UT: m1=5.3, Dia.=8′, DC=7... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA) [Tail 1.0 deg. long in p.a. 335 deg.]
2013 Dec. 02.54 UT: m1=5.2, Dia.=-, DC=3... Naked Eye... Carl Hergenrother (Tucson, Arizona, USA)
2013 Dec. 02.21 UT: m1=5.2, Dia.=7′, DC=d7, Tail= 0.8 deg. PA: 336 deg ... 7×50 B... Uwe Pilz (Leipzig, Germany)
2013 Dec. 01.21 UT: m1=5.2, Dia.=7′, DC=d7, Tail= 0.8 deg. PA: 336 deg ... 7×50 B... Uwe Pilz (Leipzig, Germany)
2013 Nov. 30.74 UT: m1=4.8, Dia.=12′, DC=5, Tail= 0.75 deg. in PA: 320 deg ... 7-15×35 B (7x)... Marek Biely (Brno, Czech Republic) [Naked eye attempt unsuccesful because the comet was too low. Tail in PA 40 deg. was due to evening observation. Comet is fairly bright.]
2013 Nov. 30.73 UT: m1=[4.6, NEGATIVE ... Naked Eye... Marek Biely (Brno, Czech Republic)
2013 Nov. 30.40 UT: m1= 6.5 CCD, Dia.=14’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 30.10 UT: m1=4.8, Dia.=12′, DC=7, Tail= 2.5 deg. in PA: 320 deg ... 10x50B... Timo Karhula (Åkesta observatory, Västerås, Sweden)
2013 Nov. 29.45 UT: m1= 5.9 CCD, Dia.=16’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 28.65 UT: m1=5.4, Dia.=9′, DC=5, Tail= 40′ in PA: 330 deg ... 20×60 B... Mike Linnolt (Ocean View, HI, USA) [Moonlight. Coma elongated in direction of Tail]
2013 Nov. 28.50 UT: m1=4.5:... Naked Eye... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Nov. 28.50 UT: m1=4.3, Dia.=12′, DC=5, Tail= 0.5 deg. in PA: 290 deg ... 7×50 B... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Nov. 28.22 UT: m1=4.7, Dia.=15′, DC=7/... Naked Eye... Juan José González (Cueto Rosales, 1420 m alt., León, España ) [En 10x50B: m1=5.1, Tail: 3.2º en AP 320º... ligera interferencia de la luz lunar]
2013 Nov. 28.11 UT: m1=5.0, Dia.=14′, DC=6/, Tail= 1.3 deg. in PA: 300 deg ... 20×80 B... Marek Biely (Brno, Czech Republic) [Very good sky condition. I observed it earlier than last time, so I saw the coma diameter about a bit smaller and the comet was about a bit fainter. But it is very bright and easily visible by binocular. By naked eye it is hard indeed.]
2013 Nov. 28.10 UT: m1=4.8, Dia.=15′, DC=1/... Naked Eye... Marek Biely (Brno, Czech Republic)
2013 Nov. 27.16 UT: m1=4.7, Dia.=17′, DC=1... Naked Eye... Marek Biely (Brno, Czech Republic) [I was surprised, that it is visible to the naked eye! By the naked eye it is very diffuse, large and precisly on the limits. But it is very bright as well. Moonlight interference]
2013 Nov. 27.14 UT: m1=5.0, Dia.=12′, DC=5... 7×50 B... Sandro Baroni (Milano, Italia)
2013 Nov. 26.863 UT: m1=5.8, Dia.=8´, DC=4... 11X80 B... Angelito Sing (Makati, Philippines) [Comet lower than last week. ther is a bright last quarter moon that is causing light pollution. the moon could be the reason why the comet seems fainter and smaller]
2013 Nov. 25.82 UT: m1=4.9, Dia.=15′, DC=5, Tail= 1.5 deg in PA: 320 deg ... 8×42 B... Katsumi Yoshimoto (Yamaguchi, Japan)
2013 Nov. 25.53 UT: m1=4.8, Dia.=-, DC=3... Naked Eye... Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 25.52 UT: m1=4.8, Dia.=10′, DC=7... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA) [Tail 1.5 deg long in p.a. 305 deg]
2013 Nov. 25.20 UT: m1=4.8, Dia.=12′, DC=7/... Naked Eye... Juan José González (Sierra de Nuestra Señora – Castrocontrigo, 1140 m alt., León, España) [En 10x50B: m1=5.0, Tail: 2.3º en AP 320º... Interferencia de la luz lunar]
2013 Nov. 25.19 UT: m1=5.0, Dia.=10′, DC=4... 7×50 B... Sandro Baroni (Milano, Italia)
2013 Nov. 25.17 UT: m1=4.7, Dia.=7′, DC=d7... 8×24 B... Uwe Pilz (Leipzig, Germany)
2013 Nov. 25.14 TU: m1=5.1, Dia.=16′, DC=6, Tail= 1.1 deg. in PA: 305 deg ... 20×80 B... Marek Biely (Brno, Czech Republic) [First time when I saw the Tail of this comet. It is very bright and large, although the naked eye attempt was unsuccesful. Heavy snow clouds and moonlight interference.]
2013 Nov. 24.64 UT: m1=5.7, Dia.=10′, DC=5, Tail= 25′ in PA: 320°... 20×60 B... Mike Linnolt (Ocean View, HI, USA) [Moonlight. Coma elongated in direction of Tail]
2013 Nov. 23.19 UT: m1=5.0, Dia.=13′, DC=7, Tail= 1.7º en AP: 310º... 10×50 B... Juan José González (Andarraso, alt. 1470 m, León, España) [Interferencia de la luz lunar]
2013 Nov. 23.10 UT: m1=4.9, Dia.=17.5′, DC=5... 15×70 B... Danil Sidorko (Korenovsk, Russia)
2013 Nov. 22.23 UT: m1=4.9, Dia.=13, DC=5, Tail= 30′... Naked Eye... Carlos Labordena (Castellón, España)
2013 Nov. 22.22 UT: m1=5.1, Dia.=13, DC=6, Tail= 70′... 11×80 B... Carlos Labordena (Castellón, España)
2013 Nov. 21.88 UT: m1=5.6, Dia.=14′, DC=5... 11X80 B... Angelito Sing (Makati, Philippines) [Diameter not so accurate due to the rains coluds. Observed it for less than 5  minutes before clouds cover them]
2013 Nov. 21.49 UT: m1=5.3, Dia.=11′... 10×50 B... Alan Hale (Cloudcroft, New Mexico, USA)
2013 Nov. 21.41 UT: m1=5.0, DC=5... 10×50 B... Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 21.19 UT: m1=5.2, Dia.=13′, DC=7,  Tail= 1.2º en AP: 290º... 10×50 B... Juan José González (Aldeanueva de Figueroa, 910 m alt., Salamanca, España) [Interferencia lunar]
2013 Nov. 20.45 UT: m1=5.0, DC=5... 10×50 B... Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 20.41 UT: m1=5.2, Dia.=9′, DC=4... 10×50 B... John D Sabia (Fleetville, Pennsylvania, USA)
2013 Nov. 20.40 UT: m1= 6.5 CCD, Dia.=6’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 20.20 UT: m1=5.2, Dia.=16′, DC=5/... 10x50B... Alex Scholten (Eerbeek, Netherlands) [weak Tail l = 1.7 degrees... PA = 295 degrees]
2013 Nov. 19.87 UT: m1=5.5, Dia.=14′, DC=4... 11X80 B... Angelito Sing (Makati, Philippines)
2013 Nov. 19.51 UT: m1=5.1, Dia.=12′, DC=6... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)[Tail 1.1 deg long in p.a. 285 deg]
2013 Nov. 19.30 UT: m1=4.8, Dia.=15′, DC=5, Tail= 0.7 degrees in PA 290 degrees... 7×50 B... Marco Goiato (Araçatuba, Brasil)
2013 Nov. 19.17 UT: m1=5.2, Dia.=12′, DC=5... 7×50 B... Mieczyslaw Leszek Paradowski (Lublin, Poland) [Moonlight]
2013 Nov. 18.51 UT: m1=5.3, Dia.=9′, DC=6... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA) [Tail: 0.6 deg. long. in p.a. 270 deg.]
2013 Nov. 18.16 UT: m1=5.0, Dia.=13′, DC=3... 10×50 B... Roberto Haver (Roma, Italia)
2013 Nov. 17.88 UT: m1=6.0, Dia.=8′, DC=4... 25X100 B... Angelito Sing (Makati, Philippines)
2013 Nov. 17.42 UT: m1=5.2, DC=5... 10×50 B... Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 17.40 UT: m1=5.0, DC=5... 10×50 B... Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 17.34 UT: m1= 7.0 CCD, Dia.=16’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Nov. 17.31 UT: m1=5.2, Dia.=12′, DC=5... 7×50 B... Marco Goiato (Araçatuba, Brasil) [clouds, nautical twilight, moonlight]
2013 Nov. 16.78 UT: m1=4.9, Dia.=21′, DC=7... 10×70 R... Seiichi Yoshida (Ibaraki, Japan)
2013 Nov. 16.64 UT: m1=6.2, Dia.=10′, DC=5, Tail= 30′ in PA: 300°... 20×60 B... Mike Linnolt (Ocean View, HI, USA) [SQM-L: 19.2, Comps TYC2514-1295-1 5.56, TYC2515-1141-1 6.41, Tycho2+Bessell corrections. Coma elongated in direction of Tail.]
2013 Nov. 16.27 UT: m1=5.8, Dia.=12′, DC=5/... 11×80 B... Jose G de S Aguiar (Campinas, Brazil)
2013 Nov. 15.51 UT: m1=6.0, Dia.=15′, DC=4/... 7×50 B... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Nov. 15.30 UT: m1=5.4, Dia.=16′, DC=5/, Tail= 1 degree in PA 290 degrees... 7×50 B... Marco Goiato (Araçatuba, Brasil)
2013 Nov. 15.27 UT: m1=5.4, Dia.=15′, DC=4... 10×50 B... Willian Souza (Sao Paulo, Brazil)
2013 Nov. 15.27 UT: m1=5.8, Dia.=12′, DC=5/... 11×80 B... Jose G de S Aguiar (Campinas, Brazil)
2013 Nov. 14.71 UT: m1=5.8, Dia.=15’, DC=6... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [Large faint outer coma, bright inner coma wth small central condensation, sometimes stellar, Low alt – 12.1°.
2013 Nov. 14.51 UT: m1=5.5, Dia.=15′, DC=6... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA) [Tail 0.8 deg long in p.a. 290 deg]
2013 Nov. 14.34 UT: m1=5.5, Dia.=16´, DC=5/6, Tail= 30´in PA: 285 deg ... 7×50 B... Gonzalo Vargas B.(Cochabamba, Bolivia)
2013 Nov. 14.27 UT: m1=5.9, Dia.=12′, DC=5/... 11×80 B... Jose G de S Aguiar (Campinas, Brazil)
2013 Nov. 14.20 UT: m1=5.2, Dia.=15′, DC=7... Naked Eye... Juan José González (Cueto Rosales – Riello, alt. 1420 m, León, España) [En 10x50B: m1=5.4, Tail: 1.7º en AP 300º]
2013 Nov. 14.188 UT: m1=5.4... Naked Eye... Carlos Labordena (Castellón, España)
2013 Nov. 14.184 UT: m1=5.6, Dia.=13′, DC=6, Tail= 35′... 11×80 B... Carlos Labordena (Castellón, España)
2013 Nov. 14.15 UT: m1=5.6, Dia.=20′, DC=5, Tail= 1.60 deg in PA: 280 deg ... 8×40 B... Jakub Cerny (Sieggraben, Austria)
2013 Nov. 14.03 UT: m1=5.5, Dia.=11′, DC=6... 20×80 B... Marek Biely (Brno, Czech Republic) [It is fantastic. Bright and large, very easily visible.]
2013 Nov. 13.73 UT: m1=5.4... 6×35 B... David A. J. Seargent (Cowra, NSW, Australia) [Faintly visible with naked eye]
2013 Nov. 13.73 UT: m1=6.1, Dia.=13′, DC=5... 8×40 B... Michael Mattiazzo (Swan Hill, Victoria, Australia)
2013 Nov. 13.71 UT: m1=5.8, Dia.=20’, DC=1... Naked Eye... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffused and easily located naked eye, diameter was difficult to estimate due to low alt]
2013 Nov. 13.70 UT: m1=5.8, Dia.=15’ DC=6... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [Coma appears to have smaller outer coma, with bright central condensation offset to the ESE, bright inner coma gradually fades to edges and shows an elongation to the WSW, no Tail observed, Alt – 15°]
2013 Nov. 13.30 UT: m1=5.6, Dia.=16′, DC=5, Tail= 1 deg. in PA: 290 deg ... 7×50 B... Marco Goiato (Araçatuba, Brasil)
2013 Nov. 13.27 UT: m1=6.0, Dia.=12′, DC=5... 11×80 B... Jose G de S Aguiar (Campinas, Brazil)
2013 Nov. 13.27 UT: m1=6.0, Dia.=12′, DC=4... 10×50 B... Alexandre Amorim (Florianopolis, Brazil)
2013 Nov. 13.19 UT: m1=5.8, Dia.=15′, DC=6... 8×40 B... Alex Scholten (Eerbeek, Netherlands) [weak Tail in 15x80B (long= ~1 degrees... PA= 270 degrees)]
2013 Nov. 13.03 UT: m1=5.9, Dia.=10′, DC=5... 10×80 B... Martin Lehky (Czech Republic)
2013 Nov. 12.71 UT: m1=5.6, Dia.=45’, DC=0/1... Naked Eye... Chris Wyatt (Walcha, NSW, Australia) [Coma large and very diffuse, easily picked up naked eye. Limiting mag in vicinity 6.0+, very clean clear sky. Nearby stars near naked eye threshold may have contributed to coma diameter estimate]
2013 Nov. 12.70 UT: m1=6.0, Dia.=19.5’, DC=5... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with small bright central condensation, not quite stellar. Narrow Tail 19’ in P.A.: 288°]
2013 Nov. 12.44 UT: m1=6.5:, Dia.=12′, DC=6/... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Nov. 12.27 UT: m1=6.0, Dia.=10′, DC=5... 11×80 B... Jose G de S Aguiar (Campinas, Brazil)
2013 Nov. 12.19 UT: m1=6.2, Dia.=10′, DC=4... 10×50 B... José J. Chambó (Vallés, Valencia, España)
2013 Nov. 12.16 UT: m1=5.0... Naked Eye... Uwe Pilz (Leipzig, Germany)
2013 Nov. 12.16 UT: m1=5.0, Dia.=7′, DC=6... 7×50 B... Uwe Pilz (Leipzig, Germany)
2013 Nov. 12.06 UT: m1=5.7, Dia.=15′, DC=4... Naked Eye... Martin Lehky (Czech Republic)
2013 Nov. 11.33 UT: m1=6.2, Dia.=8×12′, DC=5/6... 25-cm L f/4.5 (45x)... Gonzalo Vargas B. (Cochabamba, Bolivia)
2013 Nov. 11.29 UT: m1=6.0, Dia.=16′, DC=5... 7×50 B... Marco Goiato (Araçatuba, Brasil)
2013 Nov. 11.20 UT: m1=5.4, Dia.=15′, DC=7... Naked Eye... Juan José González (Sierra de Nuestra Señora – Castrocontrigo, alt. 1140 m, León, España) [En 10x50B: m1=5.6... la Tail iónica observada ( 2.2º en AP 290º ) se muestra con una longitud mucho mayor que hace 5 días (0.7º)]
2013 Nov. 11.18 UT: m1=6.0, Dia.=17′, DC=6... 10×50 B... Alex Scholten (Eerbeek, Netherlands) [weak Tail in 42x200L (long= 0.3 degrees... PA= 275 degrees)]
2013 Nov. 10.62 UT: m1=6.7, Dia.=15′, DC=4, Tail= 30′ in PA: 310°... 20×60 B... Mike Linnolt (Ocean View, HI, USA) [SQM-L: 21.3, Comps TYC1954-1551-1 6.90, Tycho2+Bessell corrections. Some high clouds passing, estimated during clear hole.]
2013 Nov. 10.53 UT: m1=6.2, Dia.=14′, DC=5... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 10.28 UT: m1=6.2, Dia.=10′, DC=5... 11×80 B... Jose G de S Aguiar (Campinas, Brazil)
2013 Nov. 10.26 UT: m1=6.3, Dia.=10′, DC=3... 20×60 B... Willian Souza (Sao Paulo, Brazil)
2013 Nov. 10.169 UT: m1=6.4, Dia.=7′, DC=6, Tail=12′... 11×80 B... Carlos Labordena (Castellón, España)
2013 Nov. 09.72 UT: m1=5.7, Dia.=12′... 6×35 B... David A. J. Seargent (Cowra, NSW, Australia) [Faintly visible with naked eye]
2013 Nov. 09.29 UT: m1=6.2, Dia.=15′, DC=4... 7×50 B... Marco Goiato (Araçatuba, Brasil)
2013 Nov. 09.29 UT: m1=6.4, Dia.=12′, DC=5, Tail= 0.3º in PA: 270º... 20×100 B... Marco Goiato (Araçatuba, Brasil)...
2013 Nov. 09.28 UT: m1=6.3, Dia.=10′, DC=4/... 11×80 B... Jose G de S Aguiar (Campinas, Brazil)
2013 Nov. 08.77 UT: m1=6.0, Dia.=18′, DC=7... 7-cm R (10x)... Seiichi Yoshida (Ibaraki, Japan)
2013 Nov. 08.50 UT: m1=6.5, Dia.=14′, DC=6... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 08.47 UT: m1=7.0, Dia.=10′, DC=6... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico) [Tail: not visible]
2013 Nov. 08.29 UT: m1=6.3, Dia.=14′, DC=4/... 7×50 B... Marco Goiato (Araçatuba, Brasil) [clouds]
2013 Nov. 08.28 UT: m1=6.4, Dia.=8′, DC=4/... 11×80 B... Jose G de S Aguiar (Campinas, Brazil)
2013 Nov. 08.189 TU: m1=6.7, Dia.=7′, DC=6, Tail= 15′... 11×80 B... Carlos Labordena (Castellón, España)
2013 Nov. 08.16 UT: m1=6.4, Dia.=12′, DC=6... 8×56 B... Sandor Szabo (Sieggraben, Austria) [with 50.8L, 189x: Tail is 30’ long. 307x: There is a fountain like feature from the starlike false-nucleus to the east, 0.9’ long]
2013 Nov. 08.16 UT: m1=6.5, Dia.=14′, DC=4, 8×40 B... Jakub Cerny (Sieggraben, Austria)
2013 Nov. 08.14 UT: m1=5.8, Dia.=14′... Naked Eye... Timo Karhula (Åkesta Observatory, Västerås, Sweden) [40-cm L (68x) showed a 11 magnitude pseudonucleus... DC=6/]
2013 Nov. 08.09 UT: m1=6.8, Dia.=7′, DC=5/... 20×80 B... Marek Biely (Brno, Czech Republic) [It locates very high in the morning sky. Clouds and fog interference, so mabye I underestimated.]
2013 Nov. 07.69 UT: m1=6.6, Dia.=16.5’, DC=5/... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [Not visible to naked eye, no obvious signs of a Tail, coma elongated to WSW approx., small central condensation, sometimes appears stellar in periods of good seeing]
2013 Nov. 07.50 UT: m1=6.5, Dia.=12′, DC=5... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 07.30 UT: m1=6.6, Dia.=6×8′, DC=5/... 25-cm L f/4.5 (45x)... Gonzalo Vargas B. (Cochabamba, Bolivia)
2013 Nov. 07.28 UT: m1=6.5:, Dia.=8′, DC=3... 10×50 B... Alexandre Amorim (Florianopolis, Brazil) [clouds interference]
2013 Nov. 07.16 UT: m1=6.5, Dia.=17′, DC=5... 20×60 B... José J. Chambó (Vallés, Valencia, España)
2013 Nov. 06.77 UT: m1=6.8, Dia.=10.7′, DC=5... 20-cm L (30x)... Man-To Hui (Nhut Thong Pau, Canton, China) [city lights... Probably I saw some hint of its Tail, but I couldn’t convince myself]
2013 Nov. 06.72 UT: m1=6.5, Dia.=7.5′, DC=4/... 25.4-cm L (37.5x, 120x)... Danil Sidorko (Korenovsk, Russia)
2013 Nov. 06.72 UT: m1=6.5, Dia.=9’, DC=5... 10×50 B... Rob Kaufman (White Cliffs, NSW, Australia) [Large, slightly oval nebulous patch with bright, star-like inner coma in and out of vision. No Tail visible. Clear sky, dust around horizon, Method=M, comp stars from NOMAD1 catalogue]
2013 Nov. 06.70 UT: m1=6.0, Dia.=-, DC= -... Naked Eye... Rob Kaufman (White Cliffs, NSW, Australia) [NELM at zenith 7+, comp stars 20 Cancri V=5.9 and 25 Cancri V=6.1. Star-like, could be held in averted vision]
2013 Nov. 06.68 UT: m1=6.5, Dia.=14.5’, DC=5... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [No Tail, coma elongated to WSW approximately. Large diffuse outer coma, gradually brightening to small central condensation which is almost stellar. Sky transparency fair, humid air present, fog at ground level]
2013 Nov. 06.183 TU: m1=7.1, Dia.=7′, DC=5... 11×80 B... Carlos Labordena (Castellón, España)
2013 Nov. 06.18 UT: m1=5.9, Dia.=12′, DC=7... Naked Eye... Juan José González ( Collada del Fresno – Sierra del Aramo, alt. 1220 m, Asturias, España) [En 10x50B: m1=6.3, Tail: 0.7º en AP 270º.]
2013 Nov. 05.71 UT: m1=6.3, Dia.=17.5’, DC=5... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [Tail 8.7’ length in P.A. 284, coma quite diffused with bright and almost stellar central condensation, strongly enhances using Swan Band filter. Naked eye attempt successful but appears very faint, LM = 6.4, averted vision worked best. Very diffuse (DC=0/1) and difficult to obtain m1 value.]
2013 Nov. 05.26 UT: m1=6.8, Dia.=12′, DC=3/... 10×50 B... Alexandre Amorim (Florianopolis, Brazil)
2013 Nov. 04.74 UT: m1=6.2... 10×50 B... David A. J. Seargent (Cowra, NSW, Australia)
2013 Nov. 04.68 UT: m1=6.3, Dia.=14’ DC=5... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with almost stellar central condensation, naked eye attempt unsuccessful]
2013 Nov. 04.49 UT: m1=6.3, Dia.=14′, DC=5... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 04.45 UT: m1=6.5, Dia.=15′, DC=5... 10×50 B... Jorge Solano(Guatemala)
2013 Nov. 03.75 UT: m1=6.9, Dia.=10′, DC=5... 8×40 B... Michael Mattiazzo (Swan Hill, Victoria, Australia)
2013 Nov. 03.72 UT: m1=6.3, Dia.=15′... 6×35 B... David A. J. Seargent (Cowra, NSW, Australia)
2013 Nov. 03.27 UT: m1=6.9, Dia.=8′, DC=4/... 25×100 B... Jose G. de S. Aguiar (Campinas, Brazil)
2013 Nov. 03.25 UT: m1=6.8, Dia.=10′, DC=3... 20×80 B... Willian Souza (Sao Paulo, Brazil)
2013 Nov. 03.187 TU: m1=7.6, Dia.=7′, DC=4... 11×80 B... Carlos Labordena (Castellón, España)
2013 Nov. 03.183 TU: m1=7.8, Dia.=7′, DC=5, Tail=15′... 20-cm SCT (50x)... Carlos Labordena (Castellón, España)
2013 Nov. 03.11 UT: m1=6.6, Dia.=14′, DC=4... 20×60 B... José J. Chambó (Hoya Redonda, Valencia, España)
2013 Nov. 02.69 UT: m1=6.6, Dia.=13.3’, DC=5/6... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [Close to bright star (6.4), bright central condensation, appears stellar-like in good seeing, enhances very well with Swan Band filter held at eyepiece, negative naked eye attempt. No Tail]
2013 Nov. 02.67 UT: m1=7.0, Dia.=10.0′, DC=6... 11-cm R f7 (45x)... John Drummond (Gisborne, New Zealand) [Comet Lovejoy easy to see in the 11-cm f7 refractor. A large, fuzzy patch with some condensation and no Tail. Used TYC 802 1776 (mag 6.3), TYC 806 967 (mag 7.3), and TYC 802 999 (mag 8.9). Comet 29 degrees altitude in the NE. Naked eye LM = 5.8 near comet. Clear, dark rural sky.]
2013 Nov. 02.29 UT: m1=7.3, Dia.=10′, DC=4/... 20×100 B... Marco Goiato (Araçatuba, Brasil)
2013 Nov. 02.29 UT: m1=7.1, Dia.=12′, DC=3... 7×50 B... Marco Goiato (Araçatuba, Brasil)
2013 Nov. 02.28 UT: m1=6.7, Dia.=10′, DC=3... 10×50 B... Alexandre Amorim (Florianopolis, Brazil) [clouds interference]
2013 Nov. 02.28 UT: m1=7.0, Dia.=8′, DC=4... 25×100 B... Jose G. de S. Aguiar (Campinas, Brazil)
2013 Nov. 01.75 UT: m1=7.0, Dia.=10′, DC=5... 8×40 B... Michael Mattiazzo (Swan Hill, Victoria, Australia)
2013 Nov. 01.48 UT: m1=6.7, Dia.=10′, DC=5... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)
2013 Nov. 01.25 UT: m1=7.4, Dia.=8′, DC=4... 20×100 B... Marco Goiato (Araçatuba, Brasil)
2013 Nov. 01.14 UT: m1=6.7, Dia.=&15′, DC=6... Naked Eye... Piotr Guzik (Przełęcz Szklarska, Poland) [The comet was visible with naked eye as 6.5 mag spot, but there was 8.6 mag star inside coma during the observation, thus I subtracted 0.2 mag to take that into account. Excellent transparency with stars up to 7.3 mag visible with naked eye in comet’s vicinity]
2013 Nov. 01.13 UT: m1=7.6, Dia.=5′, DC=4/... 20×80 B... Marek Biely (Brno... Czech Republic)
2013 Nov. 01.11 UT: m1=6.6 CCD + V filter, Dia.=7′, DC=5... 6.8-cm R f/4 (5x30s)... Mieczyslaw Leszek Paradowski (Lublin, Poland) [Cat.(TJ)- 4 comparison stars: V=(8.5-10.7) with color index B-V=(0.56-0.59)]
2013 Nov. 01.10 UT: m1=6.9, Dia.=13′, DC=5... 10×50 B... Piotr Guzik (Przełęcz Szklarska, Poland) [Bright and large. Coma elongated towards p.a. 280 deg. Faint straight Tail 0.2 deg long in p.a.~280 deg could also be glimpsed in 32.6 -cm reflector (50x)]
2013 Nov. 01.06 UT: m1=6.7 CCD + V filter, Dia.=7′, DC=5... 6.8-cm R f/4 (5x30s)... Mieczyslaw Leszek Paradowski (Lublin, Poland)[Cat.(TJ)- 4 comparison stars: V=(8.5-10.7) with color index B-V=(0.56-0.59)]
2013 Nov. 01.03 UT: m1=7.2, Dia.=8′, DC=3/... 25×100 B... Martin Lehky (Czech Republic)
2013 Oct. 31.75 UT: m1=7.3, Dia.=8′, DC=5... 25×100 B... Michael Mattiazzo (Swan Hill, Victoria, Australia)
2013 Oct. 31.68 UT: m1=6.9, Dia.=13.6’, DC=4/5... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, close to bright star, no Tail.]
2013 Oct. 31.29 UT: m1=7.1, Dia.=9′, DC=4... 10×50 B... Alexandre Amorim (Florianopolis, Brazil) [nebulosity interference]
2013 Oct. 31.17 UT: m1=7.2, DC=5... 7×50 B... Uwe Pilz (Leipzig, Germany) [In 32-cm L f/5 (72x) Dia.=6, DC=d5, Tail= 6′ in PA: 270 deg.]
2013 Oct. 31.15 UT: m1=7.2, Dia.=8′, DC=6... 10×50 B... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [En 25x100B: m1=7.5, Tail: 0.4º en AP 280º. Coma elongada]
2013 Oct. 31.15 UT: m1=7.5, Dia.=7′, DC=4... 20×60 B... Mieczyslaw Leszek Paradowski (Lublin, Poland) [Moonlight... No Tail]
2013 Oct. 31.15 UT: m1=7.7, Dia.=11′, DC=5... 15×80 B... Alex Scholten (Eerbeek, Netherlands) [altitude 21 degrees]
2013 Oct. 31.13 UT: m1=7.9, Dia.=8.6′, DC=5... 25×100 B... Jakub Cerny  (Senohraby, Czech Republic)
2013 Oct. 31.13 UT: m1=8.0, Dia.=8.6′, DC=5/... 35-cm L (64x)... Jakub Cerny  (Senohraby, Czech Republic)
2013 Oct. 31.12 UT: m1=7.4, Dia.=10′, DC=5... 10×50 B... Piotr Guzik (Przełęcz Szklarska, Poland)
2013 Oct. 31.04 UT: m1=7.2, Dia.=9′, DC=3/... 25×25 B... Martin Lehky (Hradec Kralove, Czech Republic)
2013 Oct. 30.68 UT: m1=7.6, Dia.=11.5’, DC=5/6... 11×70 B... Chris Wyatt (Walcha, NSW, Australia) [No Tail, line of stars at coma edge to S, large coma with faint outer edges, small central condensation with nearly stellar core]
2013 Oct. 30.50 UT: m1=7.3, Dia.=10′, DC=5... 10×50 B... Carl Hergenrother (Tucson, Arizona, USA)
2013 Oct. 29.29 UT: m1=7.1, Dia.=9′, DC=3... 10×50 B... Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 29.17 UT: m1=7.8, Dia.=8′, DC=2... 20×100 B... Marco Goiato (Araçatuba, Brasil) [comet altitude:15º]
2013 Oct. 29.15 UT: m1=7.8, Dia.=12′... 7×50 B... Nitails Biver (Ablis, France) [Large and diffuse coma]
2013 Oct. 29.14 UT: m1=8.3, Dia.=8.0′, DC=4, Tail= 0.3 deg. in PA: 270 deg ... 40.7-cm L (58x)... NiTails Biver (Ablis, France)
2013 Oct. 29.10 UT: m1=7.3, Dia.=10′, DC=5... 8×56 B... Sandor Szabo (Boly, Hungary) [25T, 77x: Tail is 5’ long]
2013 Oct. 28.30 UT: m1=8.1, Dia.=8′, DC=3... 10×50 B... Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2013 Oct. 28.190 TU: m1=9.1, Dia.=6′, DC=4... 20-cm SCT (50x)... Carlos Labordena (Castellón, España)
2013 Oct. 27.46 UT: m1=8.4... 10×50 B... Alan Hale (Cloudcroft, New Mexico, USA)
2013 Oct. 27.30 UT: m1=8.7, Dia.=2.5′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2013 Oct. 27.17 UT: m1=8.1, Dia.=~10′ DC=5... 15×80 B... Alex Scholten (Eerbeek, Netherlands) [possible underestimated due to moonlight, Last Quarter]
2013 Oct. 26.75 UT: m1=8.0, Dia.=4.0′, DC=3... 11×70 B... Con Stoitsis (Nagambie, Victoria, Australia) [Moonlight Interference. Coma uniformed Brightness]
2013 Oct. 26.47 UT: m1=8.9, Dia.=4′, DC=4/... 25-cm L (60x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Oct. 24.71 UT: m1=8.2, Dia.=3.9’, DC=3/4... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Moonlight, coma easily visible. Outer coma faint, gradual in brightness to centre to a moderately condensed central condensation. Enhances well with Swan Band filter. No Tail]
2013 Oct. 23.13 UT: m1=8.7 CCD + V filter, Dia.=2.2′, DC=5... 6.8-cm R f/6 (13x30s)... Mieczyslaw Leszek Paradowski (Lublin, Poland) [Moonlight. Catalogue [TJ] – 2 comparison stars: V=8.9 and 9.4 with color index B-V=0.56 and 0.66, respectively]
2013 Oct. 23.10 UT: m1=8.5, Dia.=5′, DC=5... 10×50 B... Piotr Guzik (Biórków Mały, Poland) [Only faintly seen. Bright moon ~40 degrees away]
2013 Oct. 23.10 UT: m1=8.8, Dia.=4′, DC=5... 32.6-cm L (50x)... Piotr Guzik (Biórków Mały, Poland)
2013 Oct. 22.17 UT: m1=9.2, Dia.=4.0′, DC=5... 40.7-cm L (58x)... NiTails Biver (Versailles, France)
2013 Oct. 20.31 UT: m1=8.4, Dia.=5′, DC=3... 22-cm L (60x)... Marco Goiato (Araçatuba, Brasil) [moonlight]
2013 Oct. 20.25 UT: m1=9.5:, Dia.=1.5′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2013 Oct. 20.14 UT: m1=9.0, Dia.=5′, DC=4... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland)  [Easily visible despite very bright moonlight]
2013 Oct. 19.15 UT: m1=[9.1 Negative... 20×80 B... Marek Biely (Brno, Czech Republic)
2013 Oct. 18.10 UT: m1=8.7 CCD, Dia.=3′, DC=6... Digital Reflex + 0.3-m lens... Giuseppe Pappa (Sicily, Italy)
2013 Oct. 16.72 UT: m1=9.3, Dia.=3.3’, DC=3/4... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Small central condensation, no Tail, coma elongated to the West approximately, enhances well in Swan Band filter. Moonlight interference]
2013 Oct. 16.50 UT: m1=8.7, Dia.=5′, DC=5... 30×125 B... Carl Hergenrother (Tucson, Arizona, USA)
2013 Oct. 16.22 UT: m1=8.7, Dia.=7′, DC=4... 25×100 B... Juan José González (Cubillos – Sierra del Aramo, alt. 1510 m, Asturias, España)
2013 Oct. 16.22 UT: m1=8.9... 20 -cm SCT (77x)... Juan José González (Cubillos – Sierra del Aramo, alt. 1510 m, Asturias, España) [Coma elongada. Crepúsculo astronómico]
2013 Oct. 15.72 UT: m1=9.6, Dia.=3′... 25×100 B... David A. J. Seargent (The Entrance, NSW, Australia) [Quite strongly enhanced through Swan Band filter]
2013 Oct. 15.29 UT: m1=10.0:... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [very close to TYC 162-1293-1]
2013 Oct. 14.72 UT: m1=9.3:, Dia.=6.4’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No Tail. Comet located in crowded star field, background stars in coma making m1 estimate difficult, coma appears elongated to the West approximately, averted vision]
2013 Oct. 14.70 UT: m1=9.0, Dia.=7.0′, DC=2... 20-cm reflector... Con Stoitsis (Clonbinane, Victoria, Australia) [No Tail observed, noisy FOV made mag and coma size estimate difficult]
2013 Oct. 13.76 UT: m1=9.3, Dia.=6.5′, DC=4... 40.0-cm L f/4.5 (36x)... Seiichi Yoshida (Gunma, Japan)
2013 Oct. 13.14 UT: m1=10.7, Dia.=3′, DC=3, no tail... 20-cm SCT(50x)... Carlos Labordena (Castellón, España)
2013 Oct. 12.76 UT: m1=10.4, Dia.=4.5′, DC=5... 40.0-cm L f/4.5 (36x)... Seiichi Yoshida (Gunma, Japan)
2013 Oct. 12.75 UT: m1=9.6, Dia.=4′, DC=3... 20-cm L (57x)... Michael Mattiazzo (Swan Hill, Victoria)
2013 Oct. 12.31 UT: m1=10.5, Dia.=1.3′, DC=3... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 11.75 UT: m1=9.3, Dia.=5′, DC=4... 40.0-cm L f/4.5 (36x)... Seiichi Yoshida (Gunma, Japan)
2013 Oct. 11.50 UT: m1=9.3, Dia.=4′, DC=4... 30×125 B... Carl Hergenrother (Tucson, Arizona, USA)
2013 Oct. 11.29 UT: m1=10.0, Dia.=4′, DC=3... 22-cm L (60x)... Marco Goiato (Araçatuba, Brasil) [better visualization with Swan filter]
2013 Oct. 09.67 UT: m1=9.8, Dia.=4.4’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No Tail, coma diffuse and in crowded star field. Coma elongated to the West approximately, measuring 4.4’ x 5.0’. Slightly condensed central condensation]
2013 Oct. 09.44 UT: m1=10.5, Dia.=4′, DC=4... 25-cm Reflector (60x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Oct. 09.29 UT: m1=10.4, Dia.=1.3′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 08.73 UT: m1=10.1, Dia.=3.5′, DC=2... 20-cm L (57x)... Michael Mattiazzo (Swan Hill, Victoria) [comet appears to be brightening more rapidly than expected and is on track for a faint naked eye performance in December]
2013 Oct. 08.30 UT: m1=10.9, Dia.=1′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 07.30 UT: m1=10.6, Dia.=1′, DC=5/... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2013 Oct. 07.17 UT: m1=9.7, Dia.=6′, DC=3/... 25×100 B... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [En 20-cm SCT (77x): m1=10.1. Coma elongada]
2013 Oct. 06.32 UT: m1=11.0:, DC=6... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [clouds interference]
2013 Oct. 05.48 UT: m1=11.1... 41-cm reflector... Alan Hale (Cloudcroft, New Mexico, USA)
2013 Oct. 05.31 UT: m1=11.0:, Dia=2′... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [close to TYC 4803-01050-1]
2013 Oct. 05.133 UT: m1=10.7, Dia.=1,5′, DC=2... 40-cm L (120x)... Gabor Santa (Polaris Observatory, Budapest, Hungary) [coma elongated to PA: 190]
2013 Oct. 04.08 UT: m1=10.2, Dia.=4′, DC=3... 32.6-cm L (50x)... Piotr Guzik (Dosłońce, Poland) [Bright and easy to see]
2013 Oct. 04.07 UT: m1=10.5, Dia.=1.7′, DC=6... 50.8-cm refl. (189x)... Sandor Szabo (Hungary) [Droplike coma, short 2’ long Tail to PA 250 deg.]
2013 Oct. 03.73 UT: m1=10.2, Dia.=4.3’, DC=4... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to SW approximately, measures 4.3’ x 4.7’, no Tail. Moderately condensed, enhances using Swan Band filter]
2013 Oct. 03.70 UT: m1=10.8, Dia.=3.5′, DC=4/... 30-cm Dobson... Con Stoitsis (Nagambie, Victoria, Australia) [Coma elongated to SSW. No Tail observed]
2013 Oct. 03.09 UT: m1=10.8, Dia.=2.3′... 32-cm reflector... Uwe Pilz (Leipzig, Germany)
2013 Oct. 02.08 UT: m1=10.6, Dia.=4.0′, DC=3... 35-cm L (107x)... Jakub Cerny (Senohraby, Czech Republic)
2013 Oct. 01.44 UT: m1=11.0, Dia.=3′, DC=2... 15-cm SCT (75x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Sep. 29.73 UT: m1=10.1, Dia.=5.5’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Moonlight. Coma very large and diffuse, faint outer coma brightening to a slightly more condensed central condensation. Averted vision, enhances using Swan Band filter]
2013 Sep. 28.74 UT: m1=10.6, Dia.=3.8’, DC=1/2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Moonlight. No Tail, coma diffuse and gradually brightens to centre, enhances using Swan Band filter]
2013 Sep. 27.67 UT: m1=10.8, Dia.=2.1′, DC=3... 41-cm L (96x)... John Drummond (Gisborne, New Zealand) [Comet Lovejoy seen with averted vision. A fairly large, fuzzy patch with little condensation and no Tail. Used TYC 4806298 (mag 9.24), TYC 48062847 (mag 10.57), and TYC 4806148 (mag 10.75). Comet 45 degrees altitude in the NE. Clear, dark rural sky.]
2013 Sep. 14.39 UT: m1=13.1, Dia.=1.4′, DC=3... 45.7-cm L f/4.2 (191x)... Todd Augustyniak (Green River State Wildlife Area, Harmon, Illinois, USA) [Relatively easy to see... brighter than I expected.]
2013 Sep. 13.16 UT: m1=12.7, Dia.=1.5′, DC=3... 20-cm SCT (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Altura sobre el horizonte: 25º. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría APASS cercana al cometa. Cielo muy claro de montaña, buen seeing]
2013 Sep. 11.73 UT: m1=12.2, Dia.=1.9’, DC=1/2... 25-cm L f:5 (39x) Chris Wyatt (Walcha, NSW, Australia) [Close to bright stars, coma diffuse with fan shaped appendage to SSE, does not enhance using Swan Band filter]