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Comet C/2021 Y1 (ATLAS) - 25 nov. 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 2022.11.26 11:29:28

NET Gaia DR2

    CK21Y010  C2022 11 25.94038 04 27 18.19 +13 59 49.7          15.4 G      B96

    CK21Y010  C2022 11 25.94692 04 27 17.57 +13 59 38.2          15.4 G      B96

    CK21Y010  C2022 11 25.95346 04 27 16.87 +13 59 26.1          15.4 G      B96

    CK21Y010  C2022 11 25.95846 04 27 16.32 +13 59 17.4          14.6 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     25/11/2022 22:48:16  15.13  14.50  14.27  14.14  14.06  13.99  24.4  18.0  B96

C/2021 Y1     25/11/2022 22:48:16*  0.03   0.02   0.01   0.03   0.04   0.04     2   3.8  Gai

                                                                     AFRHO         LOG

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

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

C/2021 Y1     25/11/2022 22:48:16    1.75   2.73  15.74  14.75   24    277    11  2.442  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