comet 19P/BORRELLY - 27 apr. 2022

Photometric data obtained by use of FOCAS-II software:

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

OBJECT DATE TIME +/- +/- +/- +/- +/- +/- N FWHM CAT

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

19P 27/04/2022 20:13:45 14.28 13.41 12.95 12.63 12.39 12.20 25.3 16.4 B96

19P 27/04/2022 20:13:45* 0.10 0.12 0.09 0.07 0.07 0.05 3 3.1 Gai

AFRHO LOG

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

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

19P 27/04/2022 20:13:45 1.97 1.64 13.99 13.86 25 286 11 2.457 B96

Astrometric data:

COD B96

CON E. Bryssinck, BRIXIIS Observatory, 9150 Kruibeke , Belgium [erik.bryssinck@telenet.be]

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

0019P C2022 04 27.83629 06 05 02.44 +42 25 13.9 14.8 G B96

0019P C2022 04 27.84291 06 05 04.00 +42 25 16.5 14.6 G B96

0019P C2022 04 27.84948 06 05 05.51 +42 25 18.3 14.8 G B96

0019P C2022 04 27.85241 06 05 06.23 +42 25 19.4 14.2 R B96

Af(rho) data according CARA-approach

Af(rho) data (cm) vs. core distance (km) - data obtained from unfiltered CCD-image

Af(rho) data available by request to the CARA-coordinator