47P/Ashbrook-Jackson (Record n° 244)
Orbital period : 8.37 years
NASA/JPL elements
IAU/MPC elements
On 2009 Oct 18 23h46 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 18.1 Aperture radius used for m2 6 " r (dist/Sun) 3.153 AU d (dist/Earth) 2.331 AU Right ascension 03 50 22.07 h m s Declination +35 05 14.7 ° ' " Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 1200 mm Instrument focale/diameter 4.72 Camera ST7-XMEd Sensor CCD Sensor size 6.9X4.6 mm2 Sensor pixels number 765X510 Sensor temperature -25 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 720 s Exposure details 6X120s Seeing 2 Moon elongation 151 ° Air mass 1.10 Observatory MPC code C10 Location 77 Reference stars catalog USNOB1.0 Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.54 "/pix Image processing PRISMV6 APE
Observation submission date 2010 May 09 15h25m46s Observation modification date 2010 May 09 15h30m57s