Comet C/2017 S3 (PANSTARRS)

Astrometric data for minor planet center

COD B96

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

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/3.8 astrograph + CCD

ACK MPCReport file updated 2018.07.03 15:31

NET USNO-A2.0

CK17S030 C2018 07 03.00587 03 12 05.84 +59 20 54.0 14.5 R B96

CK17S030 C2018 07 03.01638 03 12 09.25 +59 20 52.6 14.4 R B96

CK17S030 C2018 07 03.02201 03 12 11.14 +59 20 51.5 14.4 R B96

CK17S030 C2018 07 03.02766 03 12 12.83 +59 20 50.8 14.4 R B96

CK17S030 C2018 07 03.03330 03 12 14.65 +59 20 50.1 14.4 R B96

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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 03/07/2018 00:32:01 13.93 13.01 12.50 12.16 11.90 11.70 31.1 17.2 B96

C/2017 S3 03/07/2018 00:32:01* 0.10 0.15 0.19 0.20 0.21 0.23 24 3.9 USN

AFRHO LOG

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

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

C/2017 S3 03/07/2018 00:32:01 1.51 1.20 18.25 13.15 31 172 6 2.237 B96

FoCAs 3.50

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