Comet C/2021 E3 (ZTF) - 24 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 24.80866 18 39 50.04 +18 23 04.0 16.5 G B96

CK21E030 C2021 09 24.81521 18 39 49.89 +18 22 55.5 16.4 G B96

CK21E030 C2021 09 24.82185 18 39 49.68 +18 22 47.1 16.4 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

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

C/2021 E3 24/09/2021 19:38:41 16.34 16.16 16.24 26.3 18.2 B96

C/2021 E3 24/09/2021 19:38:41* 0.02 0.05 0.03 2 3.4 Gai

AFRHO LOG

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

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

C/2021 E3 24/09/2021 19:38:41 3.27 3.56 8.42 16.33 26 383 15 2.583 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: