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 2018.06.28 23:57:17

NET USNO-A2.0

CK17S030 C2018 06 28.02204 02 47 13.83 +59 24 53.4 16.5 R B96

CK17S030 C2018 06 28.02705 02 47 15.51 +59 24 54.9 16.3 R B96

CK17S030 C2018 06 28.03194 02 47 16.76 +59 24 56.1 16.1 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 28/06/2018 00:37:43 15.77 14.94 14.50 14.22 14.03 13.88 10.6 16.5 B96

C/2017 S3 28/06/2018 00:37:43* 0.08 0.09 0.12 0.13 0.16 0.19 8 3.9 USN

AFRHO LOG

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

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

C/2017 S3 28/06/2018 00:37:43 1.63 1.30 16.87 15.16 11 37 3 1.569 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