comet C/2015 ER61 (PANSTARRS)

Astrometric data for minor planet center

COD G39

OBS F.-J.Hambsch, E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/6.8 astrograph + CCD

ACK MPCReport file updated 2017.05.17 22:18:48

AC2

NET CMC-15

CK15E61R C2017 05 17.40736 00 05 09.78 +06 06 27.7 12.9 N G39

CK15E61R C2017 05 17.40810 00 05 09.92 +06 06 28.7 12.9 N G39

CK15E61R C2017 05 17.40959 00 05 10.31 +06 06 31.1 12.9 N G39

CK15E61R C2017 05 17.41035 00 05 10.46 +06 06 32.4 12.9 N G39

CK15E61R C2017 05 17.41109 00 05 10.60 +06 06 33.4 12.9 N G39

CK15E61R C2017 05 17.41258 00 05 10.96 +06 06 36.0 13.0 N G39

CK15E61R C2017 05 17.41332 00 05 11.15 +06 06 37.0 12.9 N G39

CK15E61R C2017 05 17.41406 00 05 11.31 +06 06 38.1 13.0 N G39

----- end -----

Photometry obtained by use of FOCAS-II software

COD G39

OBS F.-J.Hambsch, E.Bryssinck

CATALOG: USNO A2.0 / CMC 14-15 - BAND: R

10x10 20x20 30x30 40x40 50x50 60x60 SNR SB COD

COMET UTC +/- +/- +/- +/- +/- +/- N FWHM CAT

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

C/2015 ER61 17/05/2017 09:51:57 12.10 11.07 10.55 10.21 9.96 9.77 18.8 16.8 G39

C/2015 ER61 17/05/2017 09:51:57* 0.14 0.18 0.22 0.25 0.26 0.27 7 3.9 CMC

AFRHO LOG

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

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

C/2015 ER61 17/05/2017 09:51:57 1.28 1.05 21.56 11.04 19 667 35 2.824 G39

FoCAs 3.50

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Af(rho) parameter according CARA-approach

Af(rho)-data is available via request on the website of CARA

Af(rho) plot from Image with I-Bessel filter

Af(rho) plot from Image with I-Bessel filter with several ref. Stars (multi-plot)