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71P/Clark

Orbital period : 5.56 years

NASA/JPL elements
IAU/MPC elements


On 2011 May 04 20h45 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)18.1
m2 standard deviation0.1
Aperture radius used for m28 "
r (dist/Sun) 2.504 AU
d (dist/Earth) 2.044 AU
Right ascension10 18 40.32 h m s
Declination+22 01 25.0 ° ' "
MPC report
COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.255-m f/3.6 Newtonian reflector + CCD
ACK MPCReport file updated 2011.05.04
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0071P        KC2011 05 04.86481 10 18 40.32 +22 01 25.0          18.0 N      C10
0071P        KC2011 05 04.87807 10 18 40.47 +22 01 20.0          18.0 N      C10
0071P        KC2011 05 04.89542 10 18 40.65 +22 01 13.2          18.2 N      C10
Instrument typeNewton
Instrument aperture (0=naked eye)254 mm
Instrument focale length900 mm
Instrument focale/diameter3.6
CameraST7-XMEd
SensorCCD
Sensor size6.9 x 4.6 mm2
Sensor pixels number765 x 510
Sensor temperature-15 °C
Binning1x1
MountPERL-VIXEN
AutoguideYes
Exposure total time2400 s
Exposure details20 x 120s
Seeing3
Moon elongation87 °
Air mass1.17
Observatory MPC codeC10
Location77
Reference stars catalogUSNO-B1.0
Used softwaresASTROMETRICA
Resulting picture sampling (scale)2.04 "/pix
Image processingPRISMV8 APE DDP
Observation submission date2011 May 05 06h12m22s
Observation modification date2011 May 05 07h07m18s

(Record n° 2725)

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