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 2018.07.01 21:30:17

NET USNO-A2.0

CK17S030 C2018 07 01.01128 03 01 46.20 +59 24 30.5 15.8 R B96

CK17S030 C2018 07 01.01292 03 01 46.59 +59 24 29.7 15.7 R B96

CK17S030 C2018 07 01.01455 03 01 47.11 +59 24 31.1 15.8 R B96

CK17S030 C2018 07 01.01618 03 01 47.58 +59 24 29.8 15.9 R B96

CK17S030 C2018 07 01.01793 03 01 48.15 +59 24 30.2 15.7 R B96

CK17S030 C2018 07 01.01956 03 01 48.73 +59 24 30.0 15.6 R B96

CK17S030 C2018 07 01.02119 03 01 49.15 +59 24 30.7 15.6 R B96

CK17S030 C2018 07 01.02282 03 01 49.63 +59 24 30.6 15.7 R B96

CK17S030 C2018 07 01.02447 03 01 50.24 +59 24 30.3 15.6 R B96

CK17S030 C2018 07 01.02610 03 01 50.52 +59 24 31.0 15.6 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 01/07/2018 00:29:18 15.24 14.37 13.94 13.67 13.48 13.34 16.3 16.8 B96

C/2017 S3 01/07/2018 00:29:18* 0.11 0.18 0.20 0.22 0.24 0.25 8 3.7 USN

AFRHO LOG

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

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

C/2017 S3 01/07/2018 00:29:18 1.56 1.24 17.67 14.57 16 53 3 1.727 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) [cm] vs core distance - data obtained from CCD image with R-Bessel filter

Af(rho) parameter according CARA approach