71P/Clark (Record n° 2087)
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 deviation 0.3 Aperture radius used for m2 8 " r (dist/Sun) 2.835 AU d (dist/Earth) 1.868 AU Right ascension 10 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 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 1920 s Exposure details 16X120s Seeing 4 Moon elongation 161 ° 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 PRSIMV7 APE DDP Observation submission date 2011 Mar 04 12h02m41s Observation modification date 2011 Mar 05 10h32m56s