17P/Holmes (Record n° 13352)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2015 Jan 30 20h56 UT by Francois KugelComa Total magnitude (m1) 13.9 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 16.2 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " Coma diameter 0.3 ' r (dist/Sun) 3.007 AU d (dist/Earth) 2.439 AU Right ascension 04 06 30.70 h m s Declination +42 09 52.5 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS A. Klotz ; F. Kugel
MEA F. Kugel
TEL 0.20-m f/4 Schmidt-Cassegrain + CCD
ACK MPCReport file updated 2015.01.30 23:06:02
AC2 fkugel@wanadoo.fr
NET UCAC-4
0017P KC2015 01 30.87195 04 06 30.70 +42 09 52.5 16.2 N A77
0017P KC2015 01 30.88878 04 06 31.01 +42 09 45.4 16.0 N A77
0017P KC2015 01 30.90246 04 06 31.25 +42 09 36.5 16.3 N A77
Instrument type Schmidt-Cassegrain Instrument aperture (0=naked eye) 200 mm Instrument focale length 800 mm Instrument focale/diameter 4 Filter(s) R (RGB) Camera ST2000XM Sensor CCD Sensor pixels number 1600x1200 Sensor temperature -20 °C Binning 1x1 Mount Meade MCMT Observatory MPC code A77 Reference stars catalog UCAC-4
Observation submission date 2015 Jan 30 23h07m02s Observation modification date 2015 Jan 31 07h37m36s