Comet C/2015 O1 (PANSTARRS)

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Observation date	image	Photometry (FOCAS)	Afρ	astrometry	Observatory
20160731	X	X		X	B96 - BRIXIIS
20160823	X	X		X	B96 - BRIXIIS
20170617	X	X		X	B96 - BRIXIIS
20170620	X	X	X	X	B96 - BRIXIIS
20170623	X	X	X	X	B96 - BRIXIIS
20170702	X	X	X	X	B96 - BRIXIIS
20170708	X	X		X	B96 - BRIXIIS
20170712	X	X	X	X	B96 - BRIXIIS
20170727	X	X	X	X	B96 - BRIXIIS
20170922	X	X		X	B96 - BRIXIIS
20170923	X	X		X	B96 - BRIXIIS
20170924	X	X		X	B96 - BRIXIIS
20171013	X	X		X	B96 - BRIXIIS
20171014	X	X		X	B96 - BRIXIIS
20171015	X	X		X	B96 - BRIXIIS
20171021	X	X		X	B96 - BRIXIIS
20171106	X	X		X	B96 - BRIXIIS
20180201	X	X		X	B96 - BRIXIIS
20180603	X	X		X	B96 - BRIXIIS
20180604	X	X		X	B96 - BRIXIIS
20180605	X	X	X	X	B96 - BRIXIIS
20180609	X	X	X	X	B96 - BRIXIIS
20180618	X	X	X	X	B96 - BRIXIIS
20180620	X	X	X	X	B96 - BRIXIIS
20180621	X	X	X	X	B96 - BRIXIIS
20180625	X	X	X	X	B96 - BRIXIIS
20180626	X	X	X	X	B96 - BRIXIIS
20180627	X	X	X	X	B96 - BRIXIIS
20180628	X	X	X	X	B96 - BRIXIIS
20180706	X	X	X	X	B96 - BRIXIIS
20180707	X	X	X	X	B96 - BRIXIIS
20180708	X	X	X	X	B96 - BRIXIIS
20180712	X	X		X	B96 - BRIXIIS
20180713	X	X	X	X	B96 - BRIXIIS
20180714	X	X	X	X	B96 - BRIXIIS
20190214	X	X		X	B96 - BRIXIIS
20190215	X	X		X	B96 - BRIXIIS
20190223	X	X		X	B96 - BRIXIIS
20190226	X	X		X	B96 - BRIXIIS
20190329	X	X		X	B96 - BRIXIIS
20190401	X	X		X	B96 - BRIXIIS
20190419	X	X		X	B96 - BRIXIIS
20190420	X	X		X	B96 - BRIXIIS

Comet C/2015 O1 (PANSTARRS)

Photometric data obtained from FOCAS-II software

COD B96

CON BRIXIIS Observatory - Eyckensbeekstraat 2, B-9150 Kruibeke, Belgium

CATALOG: USNO A2.0 / CMC 14-15 - BAND: R

10x10 20x20 30x30 40x40 50x50 60x60 SNR SB COD

COMET UTC +/- +/- +/- +/- +/- +/- N FWHM CAT

------------ ------------------- ----- ----- ----- ----- ----- ----- ---- ---- ---

C/2015 O1 23/08/2016 21:23:19 16.77 16.53 16.61 16.68 4.5 17.7 B96

C/2015 O1 23/08/2016 21:23:19* 0.00 0.07 0.05 0.18 2 3.7 USN

C/2015 O1 17/06/2017 23:47:12 15.10 14.52 14.32 14.25 14.22 14.23 22.3 18.3 B96

C/2015 O1 17/06/2017 23:47:12* 0.01 0.01 0.01 0.02 0.02 0.03 3 4.1 CMC

C/2015 O1 20/06/2017 22:18:18 15.08 14.51 14.32 14.24 14.30 12.7 16.5 B96

C/2015 O1 20/06/2017 22:18:18* 0.03 0.05 0.06 0.08 0.12 8 3.8 CMC

C/2015 O1 23/06/2017 22:34:49 15.07 14.50 14.32 14.23 14.21 14.28 22.6 17.9 B96

C/2015 O1 23/06/2017 22:34:49* 0.01 0.02 0.07 0.08 0.10 0.17 2 4.5 CMC

C/2015 O1 02/07/2017 22:48:42 15.09 14.45 14.25 14.14 14.07 14.03 23.3 18.2 B96

C/2015 O1 02/07/2017 22:48:42* 0.01 0.01 0.01 0.02 0.02 0.02 5 3.6 CMC

C/2015 O1 12/07/2017 22:38:00 15.05 14.42 14.19 14.06 13.99 13.93 19.9 18.0 B96

C/2015 O1 12/07/2017 22:38:00* 0.01 0.01 0.02 0.03 0.03 0.03 6 3.8 CMC

C/2015 O1 27/07/2017 21:35:53 15.09 14.46 14.25 14.14 14.07 14.05 28.1 18.2 B96

C/2015 O1 27/07/2017 21:35:53* 0.01 0.03 0.02 0.04 0.04 0.05 5 3.8 CMC

C/2015 O1 22/09/2017 19:25:07 15.03 14.42 14.24 14.17 14.13 14.11 26.8 17.6 B96

C/2015 O1 22/09/2017 19:25:07* 0.02 0.01 0.01 0.01 0.02 0.04 4 4.5 CMC

C/2015 O1 23/09/2017 19:00:33 15.03 14.40 14.20 14.09 14.05 14.05 24.5 17.5 B96

C/2015 O1 23/09/2017 19:00:33* 0.01 0.01 0.02 0.03 0.02 0.02 4 3.9 CMC

C/2015 O1 24/09/2017 19:00:46 15.03 14.42 14.22 14.17 14.17 14.22 18.1 16.9 B96

C/2015 O1 24/09/2017 19:00:46* 0.01 0.02 0.04 0.08 0.11 0.21 4 4.0 CMC

C/2015 O1 13/10/2017 18:31:08 15.09 14.48 14.30 14.34 18.1 16.6 B96

C/2015 O1 13/10/2017 18:31:08* 0.10 0.17 0.35 0.62 2 4.0 USN

C/2015 O1 14/10/2017 18:21:35 15.09 14.48 14.28 14.22 14.21 14.19 26.2 17.1 B96

C/2015 O1 14/10/2017 18:21:35* 0.02 0.01 0.01 0.03 0.06 0.07 3 3.7 USN

C/2015 O1 15/10/2017 18:18:29 15.10 14.45 14.23 14.16 14.14 14.11 23.1 17.3 B96

C/2015 O1 15/10/2017 18:18:29* 0.00 0.02 0.02 0.03 0.04 0.04 4 3.8 USN

C/2015 O1 21/10/2017 18:34:29 15.00 14.28 14.09 14.07 14.13 15.4 16.8 B96

C/2015 O1 21/10/2017 18:34:29* 0.03 0.05 0.03 0.04 0.06 4 4.1 CMC

C/2015 O1 06/11/2017 17:53:03 14.95 14.29 14.13 14.15 14.24 20.1 16.5 B96

C/2015 O1 06/11/2017 17:53:03* 0.02 0.02 0.07 0.09 0.12 4 3.8 CMC

C/2015 O1 01/02/2018 03:22:50 14.57 13.69 13.30 13.09 13.00 12.98 17.0 16.4 B96

C/2015 O1 01/02/2018 03:22:50* 0.05 0.10 0.11 0.12 0.11 0.13 4 3.8 USN

C/2015 O1 03/06/2018 21:47:44 15.29 14.53 14.11 13.80 13.56 13.34 16.0 17.3 B96

C/2015 O1 03/06/2018 21:47:44* 0.03 0.03 0.03 0.04 0.08 0.08 5 5.3 USN

C/2015 O1 04/06/2018 21:56:46 15.33 14.58 14.15 13.87 13.71 13.63 19.2 17.5 B96

C/2015 O1 04/06/2018 21:56:46* 0.02 0.02 0.03 0.02 0.03 0.04 3 3.9 USN

C/2015 O1 05/06/2018 21:45:18 15.27 14.52 14.10 13.81 13.64 13.56 22.4 17.5 B96

C/2015 O1 05/06/2018 21:45:18* 0.01 0.05 0.04 0.03 0.03 0.04 5 3.8 USN

C/2015 O1 09/06/2018 21:26:04 15.27 14.54 14.11 13.86 13.73 13.66 10.8 15.6 B96

C/2015 O1 09/06/2018 21:26:04* 0.04 0.09 0.11 0.13 0.15 0.21 7 3.7 USN

C/2015 O1 18/06/2018 22:50:29 15.63 14.88 14.48 14.21 14.05 13.99 18.6 18.1 B96

C/2015 O1 18/06/2018 22:50:29* 0.02 0.04 0.04 0.03 0.03 0.04 5 3.9 USN

C/2015 O1 20/06/2018 23:52:35 15.42 14.63 14.21 13.94 13.77 13.70 21.6 17.8 B96

C/2015 O1 20/06/2018 23:52:35* 0.02 0.04 0.05 0.04 0.03 0.03 5 3.4 CMC

C/2015 O1 21/06/2018 22:13:05 15.42 14.61 14.20 13.93 13.77 13.69 17.6 17.6 B96

C/2015 O1 21/06/2018 22:13:05* 0.02 0.03 0.03 0.03 0.03 0.05 5 3.8 CMC

C/2015 O1 25/06/2018 22:29:00 15.54 14.79 14.38 14.12 13.99 13.95 13.9 17.5 B96

C/2015 O1 25/06/2018 22:29:00* 0.03 0.05 0.05 0.05 0.05 0.05 7 3.4 CMC

C/2015 O1 07/07/2018 22:25:52 15.64 14.88 14.48 14.20 14.06 14.02 12.5 16.7 B96

C/2015 O1 07/07/2018 22:25:52* 0.06 0.04 0.04 0.05 0.08 0.07 6 3.3 USN

C/2015 O1 08/07/2017 22:44:16 14.95 14.34 14.15 14.07 14.05 14.07 29.0 17.1 B96

C/2015 O1 08/07/2017 22:44:16* 0.02 0.03 0.03 0.04 0.04 0.03 5 3.7 USN

C/2015 O1 13/07/2018 22:30:06 15.53 14.80 14.37 14.11 13.99 13.94 15.2 16.9 B96

C/2015 O1 13/07/2018 22:30:06* 0.03 0.06 0.06 0.06 0.06 0.07 6 3.7 USN

C/2015 O1 14/07/2018 22:36:04 15.58 14.80 14.39 14.10 13.97 13.88 15.1 17.5 B96

C/2015 O1 14/07/2018 22:36:04* 0.03 0.03 0.04 0.05 0.05 0.05 6 3.7 USN

C/2015 O1 14/02/2019 23:27:08 16.05 15.10 14.61 14.27 14.05 13.90 11.5 17.8 B96

C/2015 O1 14/02/2019 23:27:08* 0.10 0.11 0.08 0.07 0.06 0.04 3 3.6 CMC

C/2015 O1 15/02/2019 23:38:28 16.21 15.34 14.85 14.50 14.27 14.11 10.4 17.7 B96

C/2015 O1 15/02/2019 23:38:28* 0.02 0.07 0.05 0.05 0.03 0.03 4 3.6 CMC

C/2015 O1 23/02/2019 22:10:54 16.33 15.49 15.01 14.67 14.45 14.31 15.6 18.3 B96

C/2015 O1 23/02/2019 22:10:54* 0.03 0.04 0.03 0.04 0.04 0.04 6 3.8 CMC

C/2015 O1 26/02/2019 22:07:06 16.30 15.38 14.87 14.53 14.32 14.17 10.9 18.0 B96

C/2015 O1 26/02/2019 22:07:06* 0.04 0.01 0.01 0.03 0.06 0.05 2 3.5 CMC

C/2015 O1 29/03/2019 21:41:20 16.75 15.97 15.54 15.22 15.04 14.93 10.3 18.0 B96

C/2015 O1 29/03/2019 21:41:20* 0.03 0.07 0.07 0.06 0.04 0.05 4 3.9 CMC

C/2015 O1 01/04/2019 21:56:10 16.83 16.05 15.58 15.28 15.14 15.11 10.9 17.8 B96

C/2015 O1 01/04/2019 21:56:10* 0.06 0.04 0.05 0.06 0.04 0.06 3 3.3 CMC

AFRHO LOG

COMET UTC DELTA r BOX " MAG RSR CM +/- AFRHO OBS

------------ ------------------- ----- ----- ----- ----- --- ----- ---- ----- ---

C/2015 O1 23/08/2016 21:23:19 5.21 5.93 5.29 16.75 5 1831 407 3.263 B96

C/2015 O1 17/06/2017 23:47:12 3.53 4.31 7.81 15.09 22 2041 92 3.310 B96

C/2015 O1 23/06/2017 22:34:49 3.52 4.29 7.84 15.05 23 2089 92 3.320 B96

C/2015 O1 02/07/2017 22:48:42 3.52 4.25 7.83 15.12 23 1928 83 3.285 B96

C/2015 O1 12/07/2017 22:38:00 3.56 4.21 7.74 15.11 20 1952 98 3.291 B96

C/2015 O1 27/07/2017 21:35:53 3.67 4.15 7.51 15.14 28 1957 70 3.291 B96

C/2015 O1 22/09/2017 19:25:07 4.30 3.96 6.42 15.13 27 2473 92 3.393 B96

C/2015 O1 23/09/2017 19:00:33 4.30 3.95 6.41 15.15 25 2428 99 3.385 B96

C/2015 O1 13/10/2017 18:31:08 4.46 3.90 6.18 15.28 18 2237 124 3.350 B96

C/2015 O1 14/10/2017 18:21:35 4.47 3.90 6.18 15.19 26 2440 93 3.387 B96

C/2015 O1 15/10/2017 18:18:29 4.47 3.89 6.17 15.22 23 2372 103 3.375 B96

C/2015 O1 21/10/2017 18:34:29 4.50 3.88 6.13 15.12 15 2613 170 3.417 B96

C/2015 O1 06/11/2017 17:53:03 4.54 3.84 6.08 15.03 20 2856 142 3.456 B96

C/2015 O1 01/02/2018 03:22:50 3.80 3.73 7.25 14.72 17 2503 147 3.398 B96

C/2015 O1 03/06/2018 21:47:44 3.79 3.84 7.28 15.63 16 1139 71 3.056 B96

C/2015 O1 04/06/2018 21:56:46 3.80 3.85 7.25 15.59 19 1193 62 3.077 B96

C/2015 O1 05/06/2018 21:45:18 3.82 3.85 7.22 15.54 22 1261 56 3.101 B96

C/2015 O1 09/06/2018 21:26:04 3.88 3.86 7.10 15.52 11 1332 123 3.125 B96

C/2015 O1 18/06/2018 22:50:29 4.03 3.88 6.85 15.93 19 1000 54 3.000 B96

C/2015 O1 20/06/2018 23:52:35 4.06 3.88 6.79 15.73 22 1215 56 3.085 B96

C/2015 O1 21/06/2018 22:13:05 4.08 3.89 6.77 15.73 18 1230 70 3.090 B96

C/2015 O1 25/06/2018 22:29:00 4.14 3.90 6.66 15.84 14 1155 83 3.062 B96

C/2015 O1 07/07/2018 22:25:52 4.33 3.93 6.37 15.99 13 1114 89 3.047 B96

C/2015 O1 08/07/2017 22:44:16 3.54 4.22 7.78 14.94 29 2281 79 3.358 B96

C/2015 O1 13/07/2018 22:30:06 4.41 3.94 6.25 15.89 15 1278 84 3.107 B96

C/2015 O1 14/07/2018 22:36:04 4.43 3.95 6.23 15.97 15 1199 79 3.079 B96

C/2015 O1 14/02/2019 23:27:08 4.00 4.87 6.89 16.44 12 969 84 2.986 B96

C/2015 O1 15/02/2019 23:38:28 4.01 4.88 6.88 16.62 10 824 79 2.916 B96

C/2015 O1 23/02/2019 22:10:54 4.07 4.92 6.77 16.75 16 773 50 2.888 B96

C/2015 O1 26/02/2019 22:07:06 4.11 4.93 6.72 16.73 11 804 74 2.906 B96

C/2015 O1 29/03/2019 21:41:20 4.59 5.11 6.00 17.24 10 672 65 2.828 B96

C/2015 O1 01/04/2019 21:56:10 4.66 5.12 5.92 17.29 11 664 61 2.822 B96

FoCAs 3.49

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Af(rho) data according the CARA-approach is available via request to CARA-coordinator

http://cara.uai.it

A 20th magnitude comet was discovered in PanSTARRS 1 images taken with the 1.8m Ritchey-Chretien on July 19.47. [CBET 4119, MPEC 2015-O34, 2015 July 21] The comet will reach perihelion at 3.7 au in 2018 February. This was PanSTARRS 100th comet. It became a faint telescope object for visual observers.