Comet C/2015 V1 (PANSTARRS)

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Observation date	image	Photometry (FOCAS)	Afρ	astrometry	Observatory
20160909	X	X		X	B96 - (BRIXIIS)
20161005	X	X		X	B96 - (BRIXIIS)
20161006	X	X		X	B96 - (BRIXIIS)
20161029	X	X		X	B96 - (BRIXIIS)
20161204	X	X		X	B96 - (BRIXIIS)
20170105	X	X		X	B96 - (BRIXIIS)
20170119	X	X		X	B96 - (BRIXIIS)
20170121	X	X		X	B96 - (BRIXIIS)
20170126	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	X	B96 - (BRIXIIS)
20171107	X	X		X	B96 - (BRIXIIS)
20171113	X	X		X	B96 - (BRIXIIS)
20171122	X	X		X	B96 - (BRIXIIS)

Comet C/2015 V1 (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 - BAND: R

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

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

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

C/2015 V1 09/09/2016 01:23:56 17.23 17.00 16.99 8.0 17.7 B96

C/2015 V1 09/09/2016 01:23:56* 0.05 0.12 0.21 5 3.5 USN

C/2015 V1 05/10/2016 01:47:24 16.97 16.62 16.31 15.91 15.56 15.26 9.3 18.3 B96

C/2015 V1 05/10/2016 01:47:24* 0.02 0.06 0.12 0.23 0.22 0.19 3 3.8 USN

C/2015 V1 06/10/2016 00:53:26 17.07 16.82 16.83 10.4 18.2 B96

C/2015 V1 06/10/2016 00:53:26* 0.04 0.12 0.17 4 3.7 USN

C/2015 V1 29/10/2016 21:28:45 16.52 15.80 15.37 15.00 14.72 14.54 7.3 17.8 B96

C/2015 V1 29/10/2016 21:28:45* 0.13 0.12 0.06 0.05 0.08 0.12 6 3.1 USN

C/2015 V1 04/12/2016 21:24:46 16.11 15.74 15.63 15.62 7.4 18.3 B96

C/2015 V1 04/12/2016 21:24:46* 0.00 0.00 0.00 0.00 1 3.9 USN

C/2015 V1 05/01/2017 18:44:37 16.55 16.18 16.14 13.3 17.8 B96

C/2015 V1 05/01/2017 18:44:37* 0.06 0.01 0.02 2 3.7 USN

C/2015 V1 19/01/2017 18:27:48 16.90 16.72 16.82 10.0 18.1 B96

C/2015 V1 19/01/2017 18:27:48* 0.03 0.10 0.10 4 3.7 USN

C/2015 V1 26/01/2017 19:41:59 16.82 16.40 16.35 16.42 8.9 17.7 B96

C/2015 V1 22/09/2017 21:53:24 16.13 15.51 15.20 15.07 15.05 15.10 14.7 17.4 B96

C/2015 V1 22/09/2017 21:53:24* 0.03 0.05 0.07 0.09 0.08 0.06 4 3.7 CMC

C/2015 V1 26/01/2017 19:41:59* 0.06 0.06 0.14 0.19 4 3.8 USN

C/2015 V1 23/09/2017 21:54:20 16.07 15.41 15.12 15.04 14.97 15.01 11.7 17.3 B96

C/2015 V1 23/09/2017 21:54:20* 0.03 0.03 0.04 0.04 0.06 0.09 4 4.0 CMC

C/2015 V1 24/09/2017 21:51:09 16.11 15.49 15.26 15.26 10.0 16.4 B96

C/2015 V1 24/09/2017 21:51:09* 0.07 0.09 0.05 0.07 4 3.8 CMC

C/2015 V1 13/10/2017 21:28:20 15.75 15.16 14.91 14.77 14.70 14.66 21.3 17.9 B96

C/2015 V1 13/10/2017 21:28:20* 0.03 0.02 0.03 0.06 0.07 0.06 4 3.5 USN

C/2015 V1 14/10/2017 21:42:05 15.74 15.12 14.82 14.66 14.56 14.48 17.7 17.8 B96

C/2015 V1 14/10/2017 21:42:05* 0.01 0.04 0.05 0.05 0.06 0.07 4 3.8 USN

C/2015 V1 15/10/2017 22:01:42 15.76 15.16 14.84 14.68 14.60 14.55 15.2 17.2 B96

C/2015 V1 15/10/2017 22:01:42* 0.04 0.05 0.05 0.08 0.09 0.08 4 4.0 USN

C/2015 V1 21/10/2017 20:51:25 15.79 15.13 14.84 14.68 14.58 14.56 16.2 17.7 B96

C/2015 V1 21/10/2017 20:51:25* 0.03 0.04 0.06 0.06 0.08 0.07 4 3.9 CMC

C/2015 V1 07/11/2017 21:43:41 16.20 15.62 15.34 15.20 15.21 15.31 16.1 17.4 B96

C/2015 V1 07/11/2017 21:43:41* 0.03 0.11 0.12 0.14 0.16 0.24 4 3.6 CMC

C/2015 V1 13/11/2017 22:06:28 16.54 16.05 15.88 15.81 15.88 12.4 18.1 B96

C/2015 V1 13/11/2017 22:06:28* 0.03 0.07 0.10 0.16 0.24 6 4.0 USN

C/2015 V1 22/11/2017 18:54:39 16.43 15.76 15.48 15.34 15.29 15.35 10.6 17.2 B96

C/2015 V1 22/11/2017 18:54:39* 0.07 0.07 0.09 0.10 0.10 0.14 5 3.5 CMC

AFRHO LOG

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

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

C/2015 V1 09/09/2016 01:23:56 5.69 5.69 4.85 17.38 8 1126 141 3.051 B96

C/2015 V1 05/10/2016 01:47:24 5.16 5.56 5.34 17.74 9 636 68 2.803 B96

C/2015 V1 06/10/2016 00:53:26 5.15 5.55 5.36 17.19 10 1042 100 3.018 B96

C/2015 V1 29/10/2016 21:28:45 4.75 5.44 5.81 17.16 7 878 120 2.944 B96

C/2015 V1 04/12/2016 21:24:46 4.47 5.27 6.17 16.24 7 1693 229 3.229 B96

C/2015 V1 05/01/2017 18:44:37 4.61 5.12 5.98 16.72 13 1096 82 3.040 B96

C/2015 V1 19/01/2017 18:27:48 4.76 5.06 5.79 16.92 10 952 95 2.979 B96

C/2015 V1 26/01/2017 19:41:59 4.85 5.03 5.69 16.92 9 975 110 2.989 B96

C/2015 V1 22/09/2017 21:53:24 3.48 4.33 7.91 16.15 15 758 52 2.880 B96

C/2015 V1 23/09/2017 21:54:20 3.47 4.32 7.94 16.08 12 804 69 2.905 B96

C/2015 V1 24/09/2017 21:51:09 3.46 4.32 7.97 16.19 10 720 72 2.857 B96

C/2015 V1 13/10/2017 21:28:20 3.32 4.30 8.31 15.78 21 957 45 2.981 B96

C/2015 V1 14/10/2017 21:42:05 3.31 4.30 8.32 15.80 18 936 53 2.971 B96

C/2015 V1 15/10/2017 22:01:42 3.31 4.30 8.33 15.81 15 923 61 2.965 B96

C/2015 V1 21/10/2017 20:51:25 3.31 4.29 8.34 15.82 16 909 56 2.958 B96

C/2015 V1 06/11/2017 20:22:36 3.39 4.28 8.15 16.08 14 743 53 2.871 B96

C/2015 V1 07/11/2017 21:43:41 3.39 4.28 8.12 16.18 16 682 42 2.834 B96

C/2015 V1 13/11/2017 22:06:28 3.46 4.28 7.98 16.55 12 504 41 2.702 B96

C/2015 V1 22/11/2017 18:54:39 3.57 4.27 7.72 16.46 11 582 55 2.765 B96

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 November 2.60. Richard Wainscoat, Robert Weryk, and Eva Lilly report the discovery of an apparent comet in four i-band exposures taken on Nov. 2.6 UT with the Pan-STARRS1 telescope on Haleakala in very good seeing conditions (discovery observations tabulated below), in which the object appears to be extended compared to adjacent background stars (FWHM approximately 1".25, vs. 0".75 for nearby stars in the field-of-view); no tail is visible in a stacked image.