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 2018.07.09 9:33:22

NET USNO-A2.0

CK17S030 C2018 07 09.00593 03 46 40.17 +58 47 18.4 14.9 R B96

CK17S030 C2018 07 09.02112 03 46 45.83 +58 47 11.8 14.8 R B96

CK17S030 C2018 07 09.03052 03 46 49.56 +58 47 05.3 14.7 R B96

CK17S030 C2018 07 09.03522 03 46 51.23 +58 47 03.5 14.8 R B96

CK17S030 C2018 07 09.04274 03 46 54.04 +58 46 59.6 14.7 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 09/07/2018 00:39:18 14.36 13.45 13.07 12.82 12.63 12.48 14.5 17.3 B96

C/2017 S3 09/07/2018 00:39:18* 0.05 0.06 0.07 0.08 0.10 0.12 33 3.5 USN

AFRHO LOG

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

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

C/2017 S3 09/07/2018 00:39:18 1.36 1.07 20.30 13.54 15 78 5 1.894 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