71P/Clark (Record n° 17706)
Orbital period : 5.56 years
NASA/JPL elements
IAU/MPC elements
On 2017 May 20 23h57 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 13.5 m2 standard deviation 0.0 Aperture radius used for m2 8.2 " r (dist/Sun) 1.634 AU d (dist/Earth) 0.633 AU Right ascension 16 40 24.21 h m s Declination -24 23 15.6 ° ' " MPC report COD A77
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.20-m f/4 Newtonian reflector + CCD
ACK MPCReport file updated 2017.05.20 and 21
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0071P C2017 05 20.99770 16 40 24.21 -24 23 15.6 13.5 N A77
0071P C2017 05 21.01865 16 40 23.71 -24 23 33.8 13.5 N A77
0071P C2017 05 21.04031 16 40 23.23 -24 23 53.5 13.5 N A77
Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 800 mm Instrument focale/diameter 4 Filter(s) None Camera ATIK 314L+ Sensor CCD Sensor temperature -10 °C Binning 1x1 Mount Astronomy Equipment AEb Autoguide No Exposure details 5 x 60s Observatory MPC code A77 Location Dauban (04) Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.65 "/pix Observation submission date 2017 May 21 09h41m22s Observation modification date 2017 May 21 11h10m34s