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 2018.06.29 21:30:17

NET USNO-A2.0

CK17S030 C2018 06 29.00838 02 51 54.57 +59 25 22.2 16.3 R B96

CK17S030 C2018 06 29.01502 02 51 56.45 +59 25 22.3 16.3 R B96

CK17S030 C2018 06 29.02321 02 51 58.83 +59 25 22.5 16.2 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 29/06/2018 00:25:54 15.77 14.92 14.49 14.21 14.00 13.82 8.8 16.6 B96

C/2017 S3 29/06/2018 00:25:54* 0.06 0.11 0.19 0.24 0.31 0.40 6 3.9 USN

AFRHO LOG

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

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

C/2017 S3 29/06/2018 00:25:54 1.61 1.28 17.12 15.14 9 36 4 1.552 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