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Comet C/2021 X1 (Maury-Attard) - 19 jan. 2024

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

http://cara.uai.it

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     19/01/2024 17:41:11  16.98  16.65  16.54  16.58                 5.3  15.8  B96

C/2021 X1     19/01/2024 17:41:11*  0.08   0.21   0.41   0.27                   2   3.5  Gai

                                                                     AFRHO         LOG

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

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

C/2021 X1     19/01/2024 17:41:11    4.57   3.93   6.03  17.09    5    452    85  2.655  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