Comet C/2022 E3 (ZTF) - 21 april 2022

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 2022.04.21 23:20:30

NET Gaia DR1

CK22E030 C2022 04 21.08314 20 14 26.04 +10 51 37.8 16.2 G B96

CK22E030 C2022 04 21.09295 20 14 26.06 +10 51 45.3 16.1 G B96

CK22E030 C2022 04 21.10112 20 14 26.04 +10 51 51.8 16.0 G B96

CK22E030 C2022 04 21.10776 20 14 26.05 +10 51 57.0 15.4 R B96

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COD X02

OBS Telescope.Live

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2022 E3 21/04/2022 02:19:44 15.99 15.59 15.48 15.42 15.26 15.11 15.3 16.8 B96

C/2022 E3 21/04/2022 02:19:44* 0.01 0.09 0.08 0.15 0.15 0.16 2 3.7 Gai

AFRHO LOG

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

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

C/2022 E3 21/04/2022 02:19:44 3.75 3.76 7.36 16.11 15 687 45 2.837 B96

FoCAs 3.70

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Photometry obtained with FOCAS-II software:

Afρ parameter according CARA-approach

Afρ-parameter vs. core distance - data obtained from photometric R-filtered CCD-image