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Comet C/2020 N1  (PANSTARRS)

Photometric data obtained from FOCAS-II software

COD B96

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2020 N1     14/09/2020 01:31:35  17.89  17.33  17.03  17.07  16.91  16.65   4.1  18.2  B96

C/2020 N1     14/09/2020 01:31:35*  0.76   0.76   0.53   0.54   0.39   0.32     3   3.1  Gai

C/2020 N1     18/09/2020 22:59:37  18.35  17.84  17.88                        5.5  18.2  B96

C/2020 N1     18/09/2020 22:59:37*  0.00   0.00   0.00                          1   3.8  Gai

C/2020 N1     21/09/2020 22:24:28  18.05  17.67  17.64  17.50  17.53          7.8  18.1  B96

C/2020 N1     21/09/2020 22:24:28*  0.13   0.16   0.16   0.18   0.32            3   3.4  Gai

C/2020 N1     04/11/2020 21:59:44  17.38  16.74  16.62                        2.4  17.9  B96

C/2020 N1     04/11/2020 21:59:44*  0.00   0.00   0.00                          1   4.1  Gai

C/2020 N1     06/11/2020 22:14:05  17.29  16.65  16.30  16.20  16.13  16.05   4.8  18.4  B96

C/2020 N1     06/11/2020 22:14:05*  0.06   0.09   0.13   0.09   0.18   0.33     2   3.9  Gai

C/2020 N1     12/11/2020 23:25:03  17.55  16.86  16.63  16.51  16.59          6.0  17.9  B96

C/2020 N1     12/11/2020 23:25:03*  0.05   0.08   0.09   0.14   0.21            4   3.5  Gai

C/2020 N1     04/12/2020 23:13:09  17.69  17.00  16.54  16.36                 4.6  17.7  B96

C/2020 N1     04/12/2020 23:13:09*  0.09   0.06   0.20   0.22                   2   3.5  Gai

C/2020 N1     05/03/2021 21:01:09  17.57  16.93  16.52  16.31  16.31  16.32   4.4  17.6  B96

C/2020 N1     05/03/2021 21:01:09*  0.09   0.13   0.18   0.22   0.31   0.47     5   3.7  Gai

                                                                     AFRHO         LOG

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

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

C/2020 N1     20/09/2020 22:36:57    1.96   2.70  14.09  18.09    8     16     2  1.193  B96

C/2020 N1     04/11/2020 21:59:44    1.47   2.23  18.77  16.89    2     18     8  1.257  B96

C/2020 N1     06/11/2020 22:14:05    1.46   2.21  18.95  16.75    5     20     4  1.296  B96

C/2020 N1     12/11/2020 23:25:03    1.42   2.15  19.45  17.01    6     14     2  1.145  B96

C/2020 N1     04/12/2020 23:13:09    1.32   1.92  20.88  16.95    5     10     2  1.011  B96

C/2020 N1     05/03/2021 21:01:09    1.27   1.32  21.78  16.90    4      5     1  0.673  B96

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

http://cara.uai.it

Discovery:

R. Weryk, Institute for Astronomy, University of Hawaii, reports the discovery of another 20.5 magnitude object in images in constellation Andromeda, obtained with the Pan-STARRS1 1.8-m Ritchey-Chretien reflector at Haleakala on 2020 july 3, though it was apparently seen as asteroidal in the discovery images .  PanSTARRS also found a pre-discovery image from July 1. It was placed on the PCCP as P112nlR . which showed up its cometary nature in the course of follow-up observations [ CBET 4815: COMET C/2020 N1 -  MPEC 2020-O31 ]

The comet is at perihelion at 1.3 au in 2021 March, when it could be 14th magnitude or perhaps brighter.  It will be observable in the evening sky until the end of April from mid-European locations. During this interval it will move through the constellations Andromeda, Pisces, Aries, Taurus, Orion and Monoceros.