17P/Holmes (Record n° 211)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2007 Nov 15 ??h?? UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)r (dist/Sun) 2.522 AU d (dist/Earth) 1.629 AU Instrument type Maksutov Instrument aperture (0=naked eye) 90 mm Instrument focale length 500 mm Instrument focale/diameter 5.55 Sensor Film Sensor size 24X36 mm2 Mount PERL-VIXEN Autoguide No Exposure total time 600 s Location 77 Image processing SCANNER / APE Remarks or comments La date et l'heure sont arbitraires.
Pas de prise de note.
FUJI 800 ASA Observation submission date 2010 May 06 15h30m15s