comet 100P/HARTLEY - 27 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 2022.05.01 11:29:38

NET Gaia DR2

0100P C2022 04 27.94336 11 12 43.27 +29 54 10.4 19.3 G B96

0100P C2022 04 27.94826 11 12 43.13 +29 54 04.2 18.7 G B96

0100P C2022 04 27.95317 11 12 43.17 +29 53 59.0 18.7 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 27/04/2022 22:49:02 18.64 18.41 18.05 17.68 17.73 4.2 18.1 B96

100P 27/04/2022 22:49:02* 0.17 0.50 0.62 0.66 0.91 2 3.1 Gai

AFRHO LOG

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

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

100P 27/04/2022 22:49:02 1.52 2.17 18.14 18.33 4 5 1 0.687 B96

Afρ parameter according CARA-approach

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