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Comet C/2021 X1 (Maury-Attard) - 15 nov. 2023

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 2023.11.16 14:29:17

NET Gaia DR2

    CK21X010  C2023 11 15.81264 22 53 33.07 +03 15 28.7          16.8 G      B96

    CK21X010  C2023 11 15.81920 22 53 32.65 +03 15 28.1          16.8 G      B96

    CK21X010  C2023 11 15.82576 22 53 32.15 +03 15 27.1          16.9 G      B96

----- end -----

COD Z08

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G

                                   10x10  20x20  30x30  40x40  50x50  60x60   SNR   SB   COD

COMET         UTC                    +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

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

C/2021 X1     15/11/2023 19:39:39  16.63  16.09  15.85  15.69  15.61  15.60  15.9  17.8  B96

C/2021 X1     15/11/2023 19:39:39*  0.03   0.07   0.02   0.00   0.01   0.03     3   3.6  Gai

                                                                     AFRHO         LOG

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

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

C/2021 X1     15/11/2023 19:39:39    3.12   3.62   8.83  16.63   16    274    17  2.437  B96

Photometry obtained with FOCAS-II software:

Af(rho) parameter according CARA-approach

Af(rho) parameter vs. core distance - data obtained from unfiltered CCD-image