comet 100P/HARTLEY - 20 april 2022

Image taken from BRIXIIS Observatory with a 0.4-m f/3.8 telescope and SBIG STL6303E camera with photometric filters

Af(rho) data available via a request to our 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 DR2

0100P C2022 04 20.93132 11 15 23.08 +31 58 28.5 19.4 G B96

0100P C2022 04 20.93623 11 15 22.91 +31 58 23.9 19.6 G B96

0100P C2022 04 20.94113 11 15 22.83 +31 58 17.9 18.8 G B96

Photometric data obtained by use of FOCAS-II software

COD B96

CON BRIXIIS Observatory - Eyckensbeekstraat 2, B-9150 Kruibeke, Belgium

CATALOG: USNO A2.0 / CMC 14-15 - BAND: R

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

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

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

100P 20/04/2022 22:31:42 18.66 18.11 17.87 3.6 18.2 B96

100P 20/04/2022 22:31:42* 0.19 0.16 0.02 2 3.4 Gai

AFRHO LOG

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

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

100P 20/04/2022 22:31:42 1.48 2.19 18.58 18.20 4 5 1 0.728 B96

Afρ parameter according CARA-approach

Afρ-parameter vs. core distance - data obtained from unfiltered CCD-image