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COMET C/2021 O3 (PANSTARRS)

Photometric data obtained from FOCAS-II software

COD X02

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2021 O3     01/08/2021 01:14:11  19.63  19.48  19.55  19.54  19.61          5.5  19.3  L81

C/2021 O3     01/08/2021 01:14:11*  0.07   0.29   0.26   0.31   1.22            2   3.8  Gai

C/2021 O3     05/09/2021 22:26:02  18.03  17.71  17.44                        5.3  17.9  B96

C/2021 O3     05/09/2021 22:26:02*  0.61   1.06   1.00                          3   3.9  Gai

                                                                     AFRHO         LOG

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

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

C/2021 O3     01/08/2021 01:14:11    3.64   4.24   7.57  19.58    6     34     6  1.528  L81

C/2021 O3     05/09/2021 22:26:02    2.95   3.83   9.36  18.08    5     72    14  1.856  B96

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

http://cara.uai.it

Comet C/2021 O3 (PANSTARRS) (astro.vanbuitenen.nl)

Discovery:

MPEC 2021-P05 : COMET C/2021 O3 (PANSTARRS)

     R. Weryk reports the discovery of a comet in images taken by Pan-STARRS 1 (F51) on July 26 UT.  Additional reports of cometary features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

X02  2021-07-30  E. Guido            8"                          15x240s

L81  2021-08-01  E. Bryssinck        8"                          12x120s

See also CBET 5009

last updated: 2021-08-02