Comet C/2021 Q3 (ATLAS)

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

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 2021.10.31 09:39:29

NET Gaia DR2

CK21Q030 C2021 10 27.90556 15 33 16.22 +76 11 23.9 17.7 G B96

CK21Q030 C2021 10 27.91370 15 33 16.42 +76 11 22.9 18.2 G B96

CK21Q030 C2021 10 27.92185 15 33 17.79 +76 11 22.5 18.0 G B96

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COD L81

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2021 Q3 27/10/2021 21:55:44 18.55 18.11 18.20 3.0 17.7 B96

C/2021 Q3 27/10/2021 21:55:44* 0.13 0.11 0.10 3 3.7 Gai

AFRHO LOG

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

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

C/2021 Q3 27/10/2021 21:55:44 5.15 5.25 5.35 18.72 3 229 76 2.359 B96

Photometry obtained with FOCAS-II software: