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Comet P/2012 B1 (PANSTARRS)

Observation date

image

Photometry

(FOCAS)

Afρ

astrometry

Observatory

20120210

X

X


X

B96 (BRIXIIS)

20130305


X


X

B96 (BRIXIIS)

20130401


X


X

B96 (BRIXIIS)

20130402


X


X

B96 (BRIXIIS)

20130505


X


X

B96 (BRIXIIS)

























Discovery: CBET 2999 : comet P/2012 B1 (PANSTARRS)


Pan-STARRS discovered a 20th magnitude comet on 2012 January 25.52. Pre-discovery images by the University of Szeged, Piszkesteto Stn. (Konkoly) were found from 2011 December 31. the object showing a soft nuclear condensation with a distinct tail that extends at least 10" from the nuclear condensationin p.a. approximately 280 degrees.

It will reach perihelion at 3.8 AU in 2013 July and has a period of around 17 years. Following improvements in the orbit, the comet was located in observations made by NEAT in 1997.

Photometric data obtained from FOCAS-II software


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

OBJECT        DATE       TIME        +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

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

P/2012 B1     10/02/2012 21:38:06  18.84  18.66  18.61                        7.5  17.6  B96

P/2012 B1     10/02/2012 21:38:06*  0.12   0.40   0.26                          2   2.9  Gai

P/2012 B1     05/03/2013 00:55:22  16.24  15.73  15.57  15.53  15.59          6.7  17.4  B96

P/2012 B1     05/03/2013 00:55:22*  0.05   0.06   0.03   0.06   0.12            5   3.5  CMC

P/2012 B1     01/04/2013 22:39:54  15.79  15.35  15.26  15.29  15.34         19.4  17.4  B96

P/2012 B1     01/04/2013 22:39:54*  0.07   0.09   0.11   0.15   0.18            7   3.9  USN

P/2012 B1     02/04/2013 22:55:44  15.99  15.45  15.20  14.84  14.30  13.94   9.3  17.0  B96

P/2012 B1     02/04/2013 22:55:44*  0.02   0.09   0.11   0.18   0.22   0.25     5   4.3  USN




COMET         UTC                   DELTA    R    APER    Mag   AfRho   +/-   Log   Obs

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

P/2012 B1     01/04/2013 22:39:54    2.91   3.88  09.49  15.86    553    27  2.743  B96

P/2012 B1     02/04/2013 22:55:44    2.91   3.88  09.48  16.02    475    49  2.677  B96

P/2012 B1     10/02/2012 21:38:06    3.81   4.76   7.24  18.90    8     87    12  1.938  B96