Comet C/2017 S3 (PANSTARRS)

Astrometric data for minor planet center

COD I89

CON iTelescope.net, remote observatory, Nerpio, Spain

OBS E. Bryssinck

MEA E. Bryssinck

TEL 0.15-m f/7.3 refractor + CCD

ACK MPCReport file updated 2018.07.08 22:33:22

NET USNO-A2.0

CK17S030 C2018 07 08.01037 03 40 32.28 +58 55 48.2 14.8 R B96

CK17S030 C2018 07 08.01691 03 40 34.78 +58 55 46.2 14.9 R B96

CK17S030 C2018 07 08.02677 03 40 38.35 +58 55 40.9 14.7 R B96

CK17S030 C2018 07 08.03052 03 40 39.79 +58 55 39.3 14.8 R B96

CK17S030 C2018 07 08.03804 03 40 42.48 +58 55 35.8 14.7 R B96

CK17S030 C2018 07 08.04462 03 40 44.96 +58 55 33.1 14.9 R 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

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

C/2017 S3 08/07/2018 00:43:35 14.45 13.67 13.31 13.07 12.89 12.77 11.8 15.7 B96

C/2017 S3 08/07/2018 00:43:35* 0.07 0.05 0.05 0.09 0.12 0.16 17 3.5 USN

AFRHO LOG

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

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

C/2017 S3 08/07/2018 00:43:35 1.38 1.09 19.93 13.74 12 70 6 1.846 B96

FoCAs 3.53

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Af(rho) data according the CARA-approach is available via request to CARA-coordinator

Af(rho) parameter according to CARA-approach

Af(rho) [cm] vs core distance - data obtained from image with R-Bessel filter