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 2021.05.08 16:44:09

NET Gaia DR2

CK20R040 C2021 05 07.88808 12 30 41.53 +30 45 54.0 14.9 G B96

CK20R040 C2021 05 07.89059 12 30 40.19 +30 45 50.2 15.7 G B96

CK20R040 C2021 05 07.89269 12 30 39.10 +30 45 46.3 15.9 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 07/05/2021 21:23:57 14.38 13.52 13.07 12.75 12.50 12.29 11.5 18.2 B96

C/2020 R4 07/05/2021 21:23:57* 0.02 0.03 0.04 0.02 0.01 0.01 2 3.3 Gai

AFRHO LOG

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

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

C/2020 R4 07/05/2021 21:23:57 0.71 1.50 39.06 12.78 12 83 7 1.920 B96

Data obtained from KOPR photometric software

ICQ Code:

2020R4 2021 05 07.89 C 11.6 AQ 40.0L 3a180 3.0 5.0m132 ICQ XX BRY04I C 3.00mST0 K6F KPR 5 U9*0.04 1.2s 1.2

CometObs format:

C/2020 R4 (ATLAS):

2021 May 07.89 UT: m1=11.6 CCD-C, Dia.=3.0', 40.0-cm Newtonian reflector , Tail: 5.0 min. in p.a. 132 deg.

[Comet Alt.:69.4 Calculated mags:11.6,11.6,11.6,11.6,11.7,11.6,11.6,11.6,11.5,11.5,11.5,11.5,11.6,11.6,11.6,11.6,11.6

] (Erik Bryssinck, BRIXIIS)