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71P/Clark

Orbital period : 5.56 years

NASA/JPL elements
IAU/MPC elements


On 2011 Mar 04 00h06 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)18.3
m2 standard deviation0.3
Aperture radius used for m28 "
r (dist/Sun) 2.835 AU
d (dist/Earth) 1.868 AU
Right ascension10 53 49.51 h m s
Declination+22 32 13.9 ° ' "
MPC report
COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS JF. Soulier
MEA JF. Soulier
TEL 0.255-m f/3.6 Newtonian reflector + CCD
ACK MPCReport file updated 2011.03.03 and 04
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0071P         C2011 03 04.00408 10 53 49.51 +22 32 13.9          18.4 N      C10
0071P         C2011 03 04.01333 10 53 48.93 +22 32 17.3          18.6 N      C10
0071P         C2011 03 04.02708 10 53 48.06 +22 32 21.6          18.0 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-25 °C
Binning1x1
MountPERL-VIXEN
AutoguideYes
Exposure total time1920 s
Exposure details16X120s
Seeing4
Moon elongation161 °
Air mass1.12
Observatory MPC codeC10
Location77
Reference stars catalogUSNO-B1.0
Used softwaresASTROMETRICA
Resulting picture sampling (scale)2.06 "/pix
Image processingPRSIMV7 APE DDP
Observation submission date2011 Mar 04 12h02m41s
Observation modification date2011 Mar 05 10h32m56s

(Record n° 2087)

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