116P/Wild 4

116P/Wild 4
Reported observations:
2016 July 02.39 UT: m1=13.9, Dia.=1.3’, DC=2/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slightly brighter inner coma. No tail]
2016 June 28.50 UT: m1=13.9, Dia.=0.7’, DC=2/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slightly brighter and opaque centre. Close to mag 13.8 star]
2016 June 25.37 UT: m1=13.7, Dia.=0.8’, DC=3 ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse and small, slight brightening to a weakly condensed centre. Visible in periods of good seeing]
2016 June 08.69 UT: m1=13.2, Dia.=1.2’, DC=2/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slightly brighter but weakly condensed centre]
2016 June 03.83 UT: m1=13.2 DSRL, Dia.=0.5′ ... 1100d+300-mm lens... Giuseppe Pappa (Mascalucia, Sicily, Italy)
2016 June 03.55 UT: m1=[13.1 ... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2016 May  30.52 UT: m1=13.3, Dia.=1′, DC=4 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  30.49 UT: m1=12.4, Dia=1.6’, DC=3 ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse with brighter and opaque centre. Difficult due to close proximity to a pair of stars 0.8′ away in P.A. 175°, magnitudes 11.9 and 12.4 respectively]
2016 May  29.45 UT: m1=13.3, Dia.=0.9′, DC=4 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  15.75 UT: m1=13.1, Dia.=0.6′, DC=2 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  14.74 UT: m1=13.0, Dia.=0.6′, DC=2 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  13.73 UT: m1=13.0, Dia.=0.8′, DC=2 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  12.74 UT: m1=13.1, Dia.=0.7′, DC=2/ ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  11.73 UT: m1=12.9, Dia.=0.7′, DC=3 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  10.74 UT: m1=12.9, Dia.=0.8′, DC=3 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  09.73 UT: m1=13.0, Dia.=0.7′, DC=4 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  06.74 UT: m1=12.9, Dia.=0.7′, DC=3/ ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  05.73 UT: m1=12.8, Dia.=0.8′, DC=3 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  05.72 UT: m1=13.1, Dia.=0.9’, DC=5/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Outer coma semi-transparent and elongated to the NW approximately, inner coma faintly stellar in periods of good seeing, No tail visible]
2016 May  04.73 UT: m1=13.7, Dia.=0.8′, DC=3 ... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2016 May  04.73 UT: m1=12.8, Dia.=0.6′, DC=3 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  04.66 UT: m1=12.9, Dia.=0.8’, DC=6 ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Does not enhance in Swan Band filter. No tail. Coma opaque and pale blue in colour, small stellar centre offset near coma edge to East. Close to bright stars 3.5’ away in P.A. 0.2°]
2016 May  03.51 UT: m1=12.5, Dia.=0.7′, DC=3 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  01.76 UT: m1=12.8, Dia.=0.5′, DC=3 ... 40.6-cm L (165.8x)... Paul Camilleri (Warners Bay, Australia) [Comet is brighter than last observation and rather easy to observe even with the last quarter Moon high in the eastern sky (32% Illuminated)]
2016 May  01.67 UT: m1=13.0, Dia.=0.9′, DC=3 ... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2016 Apr. 30.98 UT: m1=12.8, Dia.=1.1′, DC=3 ... 40.0-cm L (138x)... Sandor Szabo (Hakos, Namibia)
2016 Apr. 12.76 UT: m1=13.5, Dia.=0.5′, DC=3 ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2016 Apr. 15.76 UT: m1=13.4, Dia.=0.6′, DC=2/ ... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 08.67 UT: m1=13.8, Dia.=0.5′, DC=2 ... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Ibaraki, Japan)
2016 Apr. 04.70 UT: m1=13.6, Dia.=0.4′, DC=2 ... 40.6-cm L f/4 (260x)... Paul Camilleri (Warners Bay, Australia)
2016 Mar. 18.72 UT: m1=13.4, Dia.=0.7′, DC=2 ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2016 Mar. 12.74 UT: m1=13.6, Dia.=0.8′, DC=2 ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2016 Mar. 09.71 UT: m1=13.4, Dia.=0.7′, DC=2 ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2016 Mar. 07.71 UT: m1=13.3, Dia.=0.8′, DC=2 ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2016 Mar. 06.74 UT: m1=13.5, Dia.=0.8′, DC=2 ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2016 Mar. 04.74 UT: m1=13.4, Dia.=0.9′, DC=2/ ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2016 Feb. 15.73 UT: m1=13.3, Dia.=1.0′, DC=2 ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2016 Feb. 12.73 UT: m1=13.4, Dia.=1.0′, DC=2/ ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2016 Jan. 11.71 UT: m1=13.7, Dia.=0.7’, DC=2/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slight brightening to centre, no tail. Sky slightly hazy]
2016 Jan. 09.84 UT: m1=13.3, Dia.=0.7′, DC=3 ... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Ibaraki, Japan)
2010 June 17.37 UT: m1=17.0 CCD, Dia.=0.39′, DC=3/ ... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 June 10.41 UT: m1=16.5 CCD, Dia.=0.38′, DC=8, Tail= 2.1′ in PA: 265 deg ... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2003 July 24.31 UT: m1=13.5, Dia.=0'.4, DC=6/9 ... 41-cm L(166x) ... John Drummond, (Gisborne, New Zealand) [116P has a smallish coma with a fairly condensed nucleus]
2003 July 16.16 UT: m1=13.0 CCD, Dia.=~17", DC=7/9 ... 0.41m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean H41) [Very strong nucleus (*m2=14.9 CCD) comet showing stubby tail in PA 97 degrees in spite of very low altitude and rising moon to east]
2003 July 05.39 UT: m1=12.9, Dia.=1.0', DC=4 ... 37-cm L (256x) ... Mike Linnolt (Dillingham, HI) [In-Out method. Tycho2+Bessell corr. Dark sky site with NELM~6.0, comet becoming fainter and more diffuse]
2003 June 29.40 UT: m1=12.5, Dia.=1.1', DC=6 ... 37-cm L (256x) ... Mike Linnolt (Dillingham, HI) [In-Out method. Tycho2+Bessell corr. Dark sky site with NELM~6.0, coma still exhibits a non-uniform appearance]
2003 June 28.90 UT: m1=12.4, Dia.=2', DC=3, No tail ... 23.5-cm SCT (94x) ... Carlos Labordena (Castellon, Spain)
2003 June 21.96 UT: m1=12.7, Dia.=2', DC=2/ ... 45-cm L (100x) ... J. Carvajal (Avila, Spain)
2003 June 21.95 UT: m1=12.6, Dia.=1.5', DC=3 ... 45-cm L (100x) ... J. M. San Juan (Avila, Spain)
2003 June 22.10 UT: m1=12.5: ... 14.3-cm L f/6 (225x) ... Alexandre Amorim (Florianopolis, Brazil) [GSC stars used, comet hard to see]
2003 June 21.90 UT: m1=12.4, Dia.=2', DC=3, no tail ... 23.5-cm SCT (94x) ... Carlos Labordena(Castellon, Spain)
2003 June 20.34 UT: m1=13.1, Dia.=0'.8, DC=6 ... 41-cm L(166x) ... John Drummond (Gisborne, New Zealand) [116P has a largish coma with a gradual condensation towards the nucleus which is almost stellar]
2003 June 19.99 UT: m1=12.3, Dia.=1'.5, DC=4 ... 20-cm SCT (133x) ... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2003 June 18.98 UT: m1=12.3, Dia.=1'.5, DC=4 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2003 June 18.29 UT: m1=13.0, Dia.=0'.8, DC=7 ... 41-cm L ... John Drummond (Gisborne, New Zealand) [Similar to my last obs (7 June) - 116P has a largish coma with a gradual condensation towards the nucleus which is almost stellar]
2003 June 09.23 UT: m1=11.3 CCD, Dia.=0.32', DC=6/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean Mountain, H41) [Continues to be a remarkable object; very bright and increasingly large with strong central conds (*m2=15.2CCD) tail in PA 182, but very diffuse and difficult due to proximity of quarter moonlight]
2003 June 07.50 UT: m1=12.9, Dia.=0'.9, DC=6 ... 41-cm L ... John Drummond (Gisborne, New Zealand) [116P has a large coma with a gradual condensation towards the nucleus which is almost stellar (is it off set to one side?)]
2003 June 04.25 UT: m1=12.1 CCD, Dia.=0.3' haze, DC=6/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean H41) [Measured astrometrically in intermittent high clouds]
2003 June 03.91 UT: m1=12.0, Dia.=1.5', DC=5 ... 20.3-cm L (63x) ... Piotr Guzik (Krosno, Poland)
2003 June 03.39 UT: m1=12.6, Dia.=0'.8, DC=6 ... 41-cm L ... John Drummond, (Gisborne, New Zealand) [116P is still displaying quite a bright nucleus surrounded by a bright and fairly large coma]
2003 June 01.43 UT: m1=11.9, Dia.=1.6', DC=6 ... 37-cm L (256x)  ... Mike Linnolt (Dillingham, HI) [In-Out method. Tycho2+Bessell corr. Dark sky site NELM~6.0 Coma has a non-uniform character.]
2003 June 01.09 UT: m1=12.4, Dia.=0'.5, DC=1 ... 14.3-cm L f/6 (80x) ... AlexandreAmorim (Florianopolis, Brazil) [GSC stars used]
2003 May  31.02 UT: m1=12.3, Dia.=1', DC=1 ... 14.3-cm L f/6 (80x) ... Alexandre Amorim (Florianopolis, Brazil) [GSC stars used]
2003 May  31.00 UT: m1=11.8, Dia.=3', DC=2, No tail ... 23.5-cm SCT (67x) ... Carlos Labordena (Castellon, Spain)
2003 May  30.88 UT: m1=11.9, Dia.=1.5', DC=5 ... 20.3-cm L (63x) ... Piotr Guzik (Krosno, Poland) [Comet was visible without any trouble, but it seemed to be a bit fainter than a week ago. NELM~6.0 near this comet]
2003 May  30.10 UT: m1=12.2, Dia.=1', DC=1 ... 14.3-cm L f/6 (80x) ... Alexandre Amorim (Florianopolis, Brazil) [GSC stars used]
2003 May  29.31 UT: m1=12.2, Dia.=1.0', DC=6 ... 41-cm L ... John Drummond (Gisborne, New Zealand) [116P displays a bright nucleus surrounded by a bright coma. A mag 15.5 star is nearly imbedded in the coma 1' from the nucleus - an interesting sight]
2003 May  29.05 UT: m1=12.2, Dia.=1', DC=2 ... 14.3-cm L f/6(80x) ... Alexandre Amorim (Florianopolis, Brazil) [GSC stars used]
2003 May  27.39 UT: m1=11.5, Dia.=1.0', DC=5 ... 41-cm L ... John Drummond, (Gisborne, New Zealand) [116P has a bright nucleas surrounded by a bright coma - very cometary looking]
2003 May  25.89 UT: m1=11.7, Dia.=3', DC=3, No tail ... 23.5-cm SCT (94x) ... Carlos Labordena oval(Castellon, Spain)
2003 May  25.56 UT: m1=12.4, Dia.=1', DC=5 ... 28-cm T 133x ... Michael Mattiazzo(Wallaroo, South Australia) [Tycho2 VT comparisons]
2003 May  23.90 UT: m1=11.4, Dia.=1.6', DC=5 ... 20.3-cm L (63x) ... Piotr Guzik (Krosno, Poland) [Easily visible in spite of low altitude and some light pollution]
2003 May  23.52 UT: m1=11.8, Dia.=1', DC=5 ... 41-cm L ... John Drummond, (Gisborne, New Zealand) [116P looks like a bright smudge with a fairly knot-like condensed nucleas.]
2003 May  23.33 UT: m1=11.3 CCD, Dia.=0.26', DC=6/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean Mountain, H41) [Much smoke and haze on S. horizon with comet very low; (*m2=15.3CCD)]
2003 May  22.99 UT: m1=12.2, Dia.=1'.5, DC=2 ... 20-cm SCT (100x) ... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2003 May  22.93 UT: m1=11.8, Dia.=2', DC=3, No tail ... 23.5-cm SCT (94x) ... Carlos Labordena (Castellon, Spain)
2003 May  11.32 UT: m1=11.8 CCD, Dia.=0.31', DC = 5/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean Mountain, H41) [Developing into a fine comet; with long slightly broadening tail in PA 305 deg., about 4' length; very intense coma (*m2=14.0CCD)]
2003 May  09.51 UT: m1=12.5, Dia.=50", DC=5 ... 41-cm L ... John Drummond, (Gisborne, New Zealand) [116P appears as a brightish smudge with a condensed nucleas]
2003 May  06.95 UT: m1=12.0, Dia.=0.7', DC=3 ... 30-cm L (100x) ...  Vitali Nevski (Vitebsk, Belarus)
2003 May  05.97 UT: m1=12.1, Dia.=0.6', DC=2 ... 30-cm L (100x) ... Vitali Nevski (Vitebsk, Belarus)
2003 May  04.08 UT: m1=11.8, Dia.=1', DC=6 ... 25.4-cm SCT (63x) ... Alexandre Amorim (Florianopolis, Brazil)
2003 May  03.17 UT: m1=12.0, Dia.=1', DC=6 ... 25.4-cm SCT (63x) ... Alexandre Amorim (Florianopolis, Brazil)
2003 May  03.03 UT: m1=12.1, Dia.=1', DC=1 ... 20-cm SCT (77x) ... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2003 May  02.96 UT: m1=12.1, Dia.=2', DC=2, No tail ... 23.5-cm SCT (67x) ... Carlos Labordena (Castellon, Spain)
2003 May  02.30 UT: m1=10.4 CCD, Dia.=0.3', DC=5/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean Mountain, H41) [Tail clearly traced for 3.5' length despite very heavy moisture and low altitude of comet (*m2= 13.8CCD)]
2003 Apr. 30.34 UT: m1=11.5, Dia.=50", DC=6 ... 41-cm L ... John Drummond (Gisborne, New Zealand) [116P appears as a fairly bright smudge with a condensed nucleas. Comet's alt is 25* in the E. Stellar LM =15.5, diffuse LM = 14.3 (scope)]
2003 Apr. 27.40 UT: m1=11.3, Dia.=1.5', DC=6 ... 37-cm L (172x) ... Mike Linnolt (Dillingham, HI) [In-Out method. Tycho2+Bessell corr. Dark sky site but some very thin high clouds and a little light pollution, NELM~5.8 Comet easily visible but not particularly impressive. Some assymmetry in the coma could possibly be evidence of a tail]
2003 Apr. 26.15 UT: m1=12.0, Dia.=0'.25, DC=3 ... 25.4-cm SCT (158x) ... Alexandre Amorim (Florianopolis, Brazil) [Tycho-2 used]
2003 Feb. 11.47 UT: m2=15.1 CCD, Dia.=n/a, DC=8/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Very straight and narrow "tadpole" tail in PA 290, tapers very sharply after 1.2'; total length = 2.6' CCD; no coma size nor m1 estimates due to extreme low alitutude even on meridian]
2003 Jan. 22.46 UT: m2=12.4 CCD, Dia.=0.3', DC=6/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Very nice tail, hampered from full view by strong moonlight and very low altitude, in PA 290, traced for 2.1' length CCD; coma extent is unknown, fading into background sky]
2003 Jan. 15.47 UT: m2=16.2 CCD, Dia.=n/a, DC=8/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Very strong moonlight and comet is very low to SE; strong central conds and m2 is given because of low angle; very sharp spiked straight tail at PA 297, 2.7' length]
2003 Jan. 07.44 UT: m1=14.6 CCD, Dia.=n/a, DC=6/9 ... 0.31-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Imaged very low on SE horizon with some fog: comet seems fairly bright but accurate m1 not possible (*m2=15.53CCD)]