comet C/2017 O1 - 31 july 2017

Astrometric data for minor planet center

COD G39

CON ROAD - Remote Observatory Atacama Desert , San Pedro de Atacama, Chile

OBS F.-J.Hambsch, E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/6.8 astrograph + CCD

ACK MPCReport file updated 2017.07.31 17:36:14

AC2

NET CMC-15

CK17O010 C2017 07 31.41059 02 52 27.92 -06 25 05.7 14.1 N G39

CK17O010 C2017 07 31.41133 02 52 27.96 -06 25 04.3 14.1 N G39

CK17O010 C2017 07 31.41207 02 52 28.05 -06 25 03.5 14.1 N G39

CK17O010 C2017 07 31.41288 02 52 28.17 -06 25 02.7 14.0 N G39

CK17O010 C2017 07 31.41510 02 52 28.32 -06 24 59.3 13.9 N G39

CK17O010 C2017 07 31.41785 02 52 28.58 -06 24 55.4 14.0 N G39

CK17O010 C2017 07 31.41859 02 52 28.67 -06 24 54.8 13.9 N G39

CK17O010 C2017 07 31.41934 02 52 28.71 -06 24 53.5 13.9 N G39

CK17O010 C2017 07 31.42008 02 52 28.80 -06 24 52.6 13.9 N G39

CK17O010 C2017 07 31.42082 02 52 28.87 -06 24 51.6 13.9 N G39

CK17O010 C2017 07 31.42156 02 52 28.94 -06 24 50.5 13.9 N G39

----- end -----

COD G39

CON ROAD - Remote Observatory Atacama Desert , San Pedro de Atacama, Chile, Oud

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 O1 31/07/2017 10:00:21 13.65 12.81 12.46 12.25 12.09 11.95 17.4 19.4 G39

C/2017 O1 31/07/2017 10:00:21* 0.09 0.14 0.19 0.23 0.26 0.29 9 4.5 CMC

AFRHO LOG

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

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

C/2017 O1 31/07/2017 10:00:21 1.52 1.83 18.09 13.01 17 467 27 2.669 G39

FoCAs 3.50

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Af(rho) according CARA approach

Af(rho) vs distance to nucleus with R-Bessel filter

Multiplot Af(rho) graph with different ref. Stars from UCAC4 catalog

Af(rho) data according the CARA-approach is available via request to CARA-coordinator