Comet C/2021 E3 (ZTF) - 20 july 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 2021.07.22 12:00:03

NET Gaia DR2

CK21E030 C2021 07 20.99189 19 56 20.53 +36 52 46.8 17.2 G B96

CK21E030 C2021 07 20.99678 19 56 20.03 +36 52 45.0 17.2 G B96

CK21E030 C2021 07 21.00168 19 56 19.60 +36 52 42.1 17.0 G B96

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COD X02

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G

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

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

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C/2021 E3 20/07/2021 23:58:53 16.88 16.74 10.6 17.8 B96

C/2021 E3 20/07/2021 23:58:53* 0.07 0.00 2 3.4 Gai

AFRHO LOG

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

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Observation made on 21 july with Orion Optics AG16 newton telescope from my backyard, BRIXIIS Observatory, Kruibeke, Belgium

Photometry obtained with FOCAS-II software: