17P/Holmes (Record n° 13122)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Dec 21 20h23 UT by Luc ArnoldNuclear magnitude (m2) 17.5 m2 standard deviation 0.1 Aperture radius used for m2 6.25 " r (dist/Sun) 2.834 AU d (dist/Earth) 1.950 AU Right ascension 04 12 51.59 h m s Declination +48 10 50.2 ° ' " 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
COM Filter clear
ACK MPCReport file updated 2014.12.22 00:38:32
AC2 luc.arnold@osupytheas.fr
NET UCAC-4
0017P KC2014 12 21.84947 04 12 51.59 +48 10 50.2 17.6 N K25
0017P KC2014 12 21.85560 04 12 51.24 +48 10 46.9 17.5 N K25
0017P KC2014 12 21.86173 04 12 50.90 +48 10 43.9 17.5 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 Sensor temperature -30 °C Binning 1x1 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 Dec 22 11h21m20s