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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2015 Feb 06 04h08 UT by Jean-Francois Coliac


(Copyright Jean-Francois Coliac)

Nuclear magnitude (m2)17.8
Aperture radius used for m25 "
r (dist/Sun) 3.037 AU
d (dist/Earth) 2.550 AU
Instrument typeNewton
Instrument aperture (0=naked eye)430 mm
Instrument focale length2166 mm
Instrument focale/diameter5.03
Filter(s)None
CameraST 6303
SensorCCD
Sensor pixels number3072x2048
Sensor temperature-20 °C
Binning1x1
MotorizationYes
AutoguideNo
Exposure total time600 s
Exposure details10x60s
Moon phase9 °
Moon elongation95 °
Air mass1.1
Observatory MPC codeH06
LocationMayhill
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Image resize factor1
Resulting picture sampling (scale)0.96 "/pix
Observation submission date2016 Jan 15 20h54m11s

(Record n° 15057)

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