71P/Clark (Record n° 7481)
Orbital period : 5.56 years
NASA/JPL elements
IAU/MPC elements
On 2012 Sep 16 00h26 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 18 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 2.772 AU d (dist/Earth) 1.899 AU Right ascension 02 00 54.00 h m s Declination +02 11 24.5 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.300-m f/3 Newtonian reflector + CCD
ACK MPCReport file updated 2012.09.16
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-3
0071P C2012 09 16.01795 02 00 54.00 +02 11 24.5 18.1 N C10
0071P C2012 09 16.02882 02 00 53.55 +02 11 21.6 18.0 N C10
0071P C2012 09 16.03954 02 00 53.07 +02 11 19.4 17.9 N C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 900 mm Instrument focale/diameter 3 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -20 °C Binning 1x1 Mount F60 Autoguide Yes Exposure total time 1800 s Exposure details 15 X 120s Seeing 3 Moon elongation 141 ° Air mass 1.59 Observatory MPC code C10 Location 77 Reference stars catalog UCAC-3
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2 "/pix Image processing PRISMV8 LOG FC GIMP Observation submission date 2012 Sep 17 15h50m13s Observation modification date 2012 Sep 17 15h59m01s