Comet C/2020 R4 (ATLAS)

0 april 2021

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 2021.05.04 09:50:45

NET Gaia DR2

CK20R040 C2021 05 02.85361 13 26 01.18 +32 51 54.7 14.0 R B96

CK20R040 C2021 05 02.85708 13 25 58.29 +32 51 51.1 14.6 G B96

CK20R040 C2021 05 02.86084 13 25 55.21 +32 51 47.3 14.6 G B96

CK20R040 C2021 05 02.86502 13 25 51.79 +32 51 42.9 14.6 G B96

CK20R040 C2021 05 02.86878 13 25 48.66 +32 51 39.0 14.6 G B96

CK20R040 C2021 05 02.86962 13 25 47.98 +32 51 38.2 14.5 G B96

CK20R040 C2021 05 02.87003 13 25 47.66 +32 51 37.7 14.5 G B96

CK20R040 C2021 05 02.87338 13 25 44.90 +32 51 34.4 14.6 G B96

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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/2020 R4 02/05/2021 20:51:26 14.00 13.06 12.57 12.24 11.98 11.78 17.3 18.3 B96

C/2020 R4 02/05/2021 20:51:26* 0.02 0.03 0.04 0.04 0.03 0.03 14 3.3 Gai

AFRHO LOG

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

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

C/2020 R4 02/05/2021 20:51:26 0.58 1.44 47.64 12.03 17 103 6 2.013 B96

Afρ parameter according CARA-approach