17P/Holmes (Record n° 12461)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Sep 03 02h34 UT by Luc ArnoldNuclear magnitude (m2) 17 Aperture radius used for m2 6.25 " r (dist/Sun) 2.389 AU d (dist/Earth) 2.241 AU Right ascension 04 41 23.41 h m s Declination +42 37 07.5 ° ' " MPC report COD K25
CON L. Arnold, OHP 04870 Saint-Michel-l'Observatoire, France [luc.arnold@osupytheas.fr]
OBS L. Arnold
MEA L. Arnold
TEL 0.20-m f/5.5 Newtonian reflector + CCD
ACK MPCReport file updated 2014.09.03 03:59:43
AC2 luc.arnold@osupytheas.fr
NET UCAC-4
0017P KC2014 09 03.10667 04 41 23.41 +42 37 07.5 17.0 N K25
0017P KC2014 09 03.11288 04 41 23.89 +42 37 10.8 17.0 N K25
0017P KC2014 09 03.11911 04 41 24.39 +42 37 14.5 17.0 N K25
Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1100 mm Instrument focale/diameter 5.5 Filter(s) Clear Camera SBIG ST10-XME Sensor CCD Observatory MPC code K25 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA URL for more information or pictures http://www.obs-hp.fr/~larnold/v2/LucArnold/Welcome.html Observation submission date 2014 Sep 03 09h28m46s