C/2012 T5 (Bressi)

C/2012 T5 (Bressi) desintegrate/desintegrado
2013 Feb. 06.44 UT: m1=10.6, Dia.=3′, DC=3... 25.4-cm L (71x)... David A. J. Seargent (Cowra, NSW, Australia) [Significantly fainter and more diffuse. Somewhat enhanced using Swan Band filter, possibly more near centre of coma]
2013 Feb. 04.44 UT: m1=9.0, Dia.=2′, DC=4, Tail= 0.05 degrees PA: 97°... 25.4-cm L (71x)... David A. J. Seargent (Cowra, NSW, Australia) [Easily visible. Quite strongly enhanced using Swan band filter]
2013 Feb. 10.96 UT: m1=10.7: ... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [clouds interference]
2013 Feb. 08.43 UT: m1=10.5, Dia.=2.4’, DC=5/6... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to SE, enhances inner coma with Swan Band filter. At 83x the elongation appears to be bar-like in the direction of the elongation. Method=M Cat=AU]
2013 Feb. 06.47 UT: m1=10.8, Dia.=2′, DC=3... 25×100 B... Michael Mattiazzo (Castlemaine, Victoria)
2013 Feb. 05.98 UT: m1=10.0 (S), Dia.=2′, DC=5... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil) [clouds, central condensation]
2013 Feb. 05.47 UT: m1=10.5, Dia.=2′, DC=3... 25×100 B... Michael Mattiazzo (Castlemaine, Victoria)
2013 Feb. 05.44 UT: m1=9.7, Dia.=2’, DC=5/6... 25-cm L f:5 (39x)... [Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the East, gradual brightening to centre, moderately condensed. Inner coma enhances slightly in Swan Band filter. Method=M. Cat=TK]
2013 Feb. 05.10 UT: m1=10.4, Dia.=3.5′, DC=3... 25×100 B... Will Godward (Moonta, South Australia, Australia) [comparison stars checked using Guide 8. Seeing conditions very good]
2013 Feb. 04.47 UT: m1=9.2, Dia.=2′, DC=6... 25×100 B... Michael Mattiazzo (Castlemaine, Victoria)
2013 Feb. 04.455 UT: m1=10.2, Dia.=1′, DC=4... 11.4-cm f/8 refl (43x)... Rob Kaufman (Bright, Victoria, Australia) [Small diffuse patch, brightening in centre in averted vision, no tail visible. Ref=NOMAD1 data in ViZier. Method=M. Smoke haze]
2013 Feb. 04.45 UT: m1=10.1, Dia.=1.0′, DC=3/... 20-cm Dobson... Con Stoitsis (Clonbinane, Victoria, Australia) [More condensed towards the centre when using averted vision]
2013 Feb. 03.04 UT: m1=11.4 CCD, Dia.=1.6′... 30.5-cm SCT... Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2013 Feb. 02.458 UT: m1=10.6, Dia.=1.5′, DC=3... 11.4-cm f8 refl (43x)... Rob Kaufman (Bright, Victoria, Australia) [Small diffuse patch, slight brightening towards centre, no tail visible. Ref= NOMAD1 data in ViZier. Method=M]
2013 Feb. 03.47 UT: m1=9.5, Dia.=2′, DC=6... 25×100 B... Michael Mattiazzo (Castlemaine, Victoria)
2013 Feb. 02.47 UT: m1=9.8, Dia.=2′, DC=6... 25×100 B... Michael Mattiazzo (Castlemaine, Victoria)
2013 Jan. 31.97 UT: m1=10.5:, DC=8... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [clouds interference]
2013 Jan. 31.42 UT: m1=10.5, Dia.=2.2’, DC=4... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, diffuse inner coma fading to a thin transparent outer coma, at x83 the central condensation appears elongated to WSW. Method=M. Cat=TK]
2013 Jan. 30.43 UT: m1=10.5, Dia.=2.5’, DC=6... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma slightly elongated to WSW to ENE, no tail, tenuous outer coma weakly brightening to a faint stellar pseudo nucleus. Method=M. Cat=TK]
2013 Jan. 29.42 UT: m1=10.4, Dia.=1.8’, DC=5/6... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Small pseudo nucleus visible in good seeing, coma gradually brightens to centre with weak centre. No tail, enhances inner coma with Swan Band filter. At x83 the coma appears circular. Moonlight interference. Method=M. Cat=TK]
2013 Jan. 29.04 UT: m1=12.6 CCD, Dia.=0.8′... 30.5-cm SCT... Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2013 Jan. 18.00 UT: m1=11.6 (S), Dia.=1.5′, DC=3... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil) [moonlight interference]
2013 Jan. 13.81 UT: m1=10.8, Dia.=5′, DC=1/... 20-cm SCT (100x)... Juan José Gonzalez (Alto de la Garandilla – Escuredo, alt. 1150 m, León, España)
2013 Jan. 11.98 UT: m1=11.9 (S), Dia.=1.5′, DC=2... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2013 Jan. 07.77 UT: m1=12.1, Dia.=3′, DC=1, no cola... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2013 Jan. 06.11 UT: m1=17.2 CCD, Dia.=0.4′... 30.5-cm SCT... Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2013 Jan. 03.85 UT: m1=12.0, Dia.=3.5′, DC=1/... 20-cm SCT (100x)... Juan José González (Aralla, alt. 1440 m, León, España) [Coma muy difusa. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2012 Dec. 09.75 UT: m1=15.2, Dia.=0.4′, DC=2... 50.8-cm (307x)... Sandor Szabo (Sopron, Hungary) [Faint but easily seen with averted vision. Motion is checked during a 15 min. period]
2012 Dec. 04.09 UT: m1=17.5 CCD, Dia.=0.5′... 30.5-cm SCT... Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2012 Nov. 13.18 UT: m1=17.4 CCD, Dia.=0.4′... 30.5-cm schmidt-cassegrain... Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Nov. 11.11 UT: m1=16.3, DC=4... Visual 91-cm F:3.5... Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)