71P/Clark (Record n° 2110)
Orbital period : 5.56 years
NASA/JPL elements
IAU/MPC elements
On 2011 Mar 07 22h51 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 18.4 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 2.819 AU d (dist/Earth) 1.858 AU Right ascension 10 49 49.25 h m s Declination +22 53 31.0 ° ' " 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 2011.03.07
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0071P KC2011 03 07.95208 10 49 49.25 +22 53 31.0 18.3 N C10
0071P KC2011 03 07.96347 10 49 48.55 +22 53 34.2 18.4 N C10
Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.6 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -25 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 1800 s Exposure details 15X120s Seeing 4 Moon elongation 131 ° Air mass 1.12 Observatory MPC code C10 Location 77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.06 "/pix Image processing PRISMV7 APE Observation submission date 2011 Mar 08 12h32m14s Observation modification date 2011 Mar 08 23h22m52s