71P/Clark (Record n° 1882)
Orbital period : 5.56 years
NASA/JPL elements
IAU/MPC elements
On 2011 Feb 07 02h36 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 19.2 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 2.964 AU d (dist/Earth) 2.055 AU Right ascension 11 14 55.10 h m s Declination +19 45 47.3 ° ' " 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 2011.02.07
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0071P KC2011 02 07.10863 11 14 55.10 +19 45 47.3 19.2 N C10
0071P KC2011 02 07.14418 11 14 53.71 +19 46 01.8 19.0 N C10
Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.54 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 2760 s Exposure details 23X120s Seeing 4 Moon elongation 152 ° Air mass 1.19 Observatory MPC code C10 Location 77 Reference stars catalog USNOB1.0 Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.06 "/pix Image processing PRISMV7 recalage par ASTROMETRICA APE F.C Observation submission date 2011 Feb 08 15h28m15s Observation modification date 2011 Feb 08 15h41m06s