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Comet C/2021 Y1 (ATLAS) - 26 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 [erik.bryssinck@telenet.be]

OBS E. Bryssinck

MEA E. Bryssinck

TEL 0.4-m f/3.8 reflector + CCD

ACK MPCReport file updated 2022.12.27 17:47:07

NET Gaia DR2

    CK21Y010  C2022 12 26.79308 03 39 01.60 -01 03 23.6          15.7 G      B96

    CK21Y010  C2022 12 26.80311 03 39 00.84 -01 03 39.6          15.7 G      B96

    CK21Y010  C2022 12 26.81228 03 39 00.12 -01 03 53.7          15.7 G      B96

    CK21Y010  C2022 12 26.81740 03 38 59.69 -01 04 01.3          15.1 R      B96

----- end -----

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     26/12/2022 19:23:05  15.40  14.80  14.56  14.41  14.31  14.25  17.2  17.6  B96

C/2021 Y1     26/12/2022 19:23:05*  0.00   0.01   0.03   0.03   0.02   0.04     2   3.9  Gai

                                                                     AFRHO         LOG

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

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

C/2021 Y1     26/12/2022 19:23:05    1.73   2.51  15.94  15.02   17    177    10  2.249  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