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COMET C/2021 K2 (MASTER)

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 K2 (MASTER) - (astro.vanbuitenen.nl)

Discovery:  CBET 4975 + MPEC L89: COMET C/2021 K2 (MASTER)

V. Lipunov reported the discovery of a new NEO candidate by MASTER-SAAO Observatory (K95) in images taken on May 22 UT, with additional prediscovery observations reported later.  Subsequently, A. Maury reported detecting a 6".5 coma in survey images taken at MAP (W94) on June 1 UT.  Additional reports of cometary features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

K95  2021-05-22  V. Lipunov         6"

Y00  2021-06-02  C. Jacques         8"                           20x30s

X02  2021-06-02  E. Guido          15"                           35x120s

G39  2021-06-04  E. Bryssinck      18"                           15x120s

Q62  2021-06-05  H. Sato           12"                           10x60s

L81  2021-06-07  N. Paul           12"      23"    124           21x60s

last updated: 2021-07-04