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Comet C/2021 Y1 (ATLAS) - 12 dec. 2022

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

http://cara.uai.it

Astrometric data for minor planet center

COD B96

CON E. Bryssinck, BRIXIIS Observatory, 9150 Kruibeke , Belgium

OBS E. Bryssinck

MEA E. Bryssinck

TEL 0.4-m f/3.8 reflector + CCD

ACK MPCReport file updated 2022.12.13 17:01:06

NET Gaia DR2

    CK21Y010  C2022 12 12.86800 03 59 16.21 +05 28 09.7          15.5 G      B96

    CK21Y010  C2022 12 12.87669 03 59 15.41 +05 27 54.5          15.6 G      B96

    CK21Y010  C2022 12 12.88184 03 59 14.84 +05 27 44.6          15.5 G      B96

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/2021 Y1     12/12/2022 20:49:55  15.23  14.60  14.34  14.20  14.10  14.01  25.9  17.6  B96

C/2021 Y1     12/12/2022 20:49:55*  0.00   0.00   0.00   0.00   0.00   0.00     1   3.9  Gai

                                                                     AFRHO         LOG

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

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

C/2021 Y1     12/12/2022 20:49:55    1.69   2.61  16.34  14.82   26    220     8  2.342  B96

FoCAs 3.70

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Photometry obtained with FOCAS-II software:

Af(rho) parameter according CARA-approach