Comet C/2017 S3 (PANSTARRS)

Astrometric data for minor planet center

COD I89

CON iTelescope.net, remote observatory, Nerpio, Spain

OBS E. Bryssinck

MEA E. Bryssinck

TEL 0.15-m f/7.3 refractor + CCD

ACK MPCReport file updated 2018.07.07 10:27:22

NET USNO-A2.0

CK17S030 C2018 07 07.01390 03 34 34.00 +59 03 00.5 14.6 R B96

CK17S030 C2018 07 07.02207 03 34 37.01 +59 02 55.7 14.7 R B96

CK17S030 C2018 07 07.02816 03 34 39.03 +59 02 53.9 14.5 R B96

CK17S030 C2018 07 07.03381 03 34 41.14 +59 02 51.9 14.6 R B96

CK17S030 C2018 07 07.03944 03 34 43.13 +59 02 49.6 14.6 R B96

CK17S030 C2018 07 07.04508 03 34 45.05 +59 02 48.2 14.6 R B96

CK17S030 C2018 07 07.05072 03 34 47.09 +59 02 45.4 14.5 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 07/07/2018 00:50:27 14.32 13.60 13.25 12.99 12.78 12.62 23.3 16.8 B96

C/2017 S3 07/07/2018 00:50:27* 0.04 0.05 0.07 0.09 0.11 0.13 34 3.3 USN

AFRHO LOG

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

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

C/2017 S3 07/07/2018 00:50:27 1.41 1.11 19.57 13.66 23 81 3 1.910 B96

FoCAs 3.53

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