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COMET C/2021 R2 (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

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                                                                     AFRHO         LOG

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

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

http://cara.uai.it

Comet C/2021 R2 (PANSTARRS) (astro.vanbuitenen.nl)

Discovery:  CBET 5031:  COMET C/2021 R2

MPEC R151: COMET C/2021 R2 (PANSTARRS)

     R. Weryk reports the discovery of a comet in three 45-second w-band survey images taken on Sep. 5 UT by Pan-STARRS 1 (F51), noting a diffuse 0".8 coma. He also reported prediscovery positions back to Aug. 2021.

Additional reports of cometary features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

A71  2021-09-05  M. Jaeger          6"       15"    116

157  2021-09-05  R. Haver           5"                           40x90s

568  2021-09-06  R. Weryk           0".4     30"    105           3x60s