Comet C/2021 E3 (ZTF) - 5 sept. 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 2021.09.06 11:39:17

NET Gaia DR2

CK21E030 C2021 09 05.85476 18 52 49.70 +25 05 26.1 15.9 R B96

CK21E030 C2021 09 05.86133 18 52 49.32 +25 05 17.7 15.9 R B96

CK21E030 C2021 09 05.86792 18 52 48.96 +25 05 09.8 16.0 R 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

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

C/2021 E3 05/09/2021 20:40:19 16.55 16.37 16.46 13.6 18.1 B96

C/2021 E3 05/09/2021 20:40:19* 0.06 0.13 0.13 3 3.5 Gai

AFRHO LOG

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

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

C/2021 E3 05/09/2021 20:40:19 3.23 3.73 8.55 16.54 14 338 25 2.529 B96

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

Photometry obtained with FOCAS-II software: