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 2018.06.26 21:30:17

NET USNO-A2.0

CK17S030 C2018 07 02.01889 03 06 55.18 +59 23 03.5 15.1 R B96

CK17S030 C2018 07 02.02052 03 06 55.77 +59 23 03.7 15.1 R B96

CK17S030 C2018 07 02.02215 03 06 56.29 +59 23 03.4 15.1 R B96

CK17S030 C2018 07 02.02378 03 06 56.85 +59 23 02.9 15.1 R B96

CK17S030 C2018 07 02.02553 03 06 57.19 +59 23 03.9 15.0 R B96

CK17S030 C2018 07 02.02716 03 06 57.85 +59 23 03.2 15.0 R B96

CK17S030 C2018 07 02.02880 03 06 58.33 +59 23 03.2 15.0 R B96

CK17S030 C2018 07 02.03044 03 06 58.84 +59 23 02.6 15.0 R B96

CK17S030 C2018 07 02.03207 03 06 59.25 +59 23 03.7 15.0 R B96

CK17S030 C2018 07 02.03370 03 06 59.90 +59 23 02.6 15.0 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 02/07/2018 00:41:01 14.55 13.61 13.12 12.77 12.49 12.27 24.8 17.4 B96

C/2017 S3 02/07/2018 00:41:01* 0.11 0.19 0.23 0.26 0.28 0.29 6 3.7 USN

AFRHO LOG

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

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

C/2017 S3 02/07/2018 00:41:01 1.54 1.22 17.96 13.78 25 103 4 2.012 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