17P/Holmes (Record n° 12975)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Nov 18 22h40 UT by Luc ArnoldNuclear magnitude (m2) 17.1 m2 standard deviation 0.1 Aperture radius used for m2 6.25 " r (dist/Sun) 2.693 AU d (dist/Earth) 1.826 AU Right ascension 04 51 25.58 h m s Declination +50 53 20.3 ° ' " 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 Sloan r' for 17P, clear filter otherwise
ACK MPCReport file updated 2014.11.19 01:38:01
AC2 luc.arnold@osupytheas.fr
NET UCAC-4
0017P KC2014 11 18.94421 04 51 25.58 +50 53 20.3 17.2 N K25
0017P KC2014 11 18.95193 04 51 25.01 +50 53 20.2 17.0 N K25
0017P KC2014 11 19.04649 04 51 17.88 +50 53 19.2 17.0 N K25
0017P KC2014 11 19.05681 04 51 17.07 +50 53 18.8 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) r' 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 Nov 21 19h32m23s