47P/Ashbrook-Jackson (Record n° 243)
Orbital period : 8.37 years
NASA/JPL elements
IAU/MPC elements
On 2009 Oct 12 23h01 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 18.4 Aperture radius used for m2 6 " r (dist/Sun) 3.139 AU d (dist/Earth) 2.369 AU Right ascension 03 53 22.49 h m s Declination +34 42 24.8 ° ' " 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 480 s Exposure details 4X120s Seeing 4 Moon elongation 68 ° Air mass 1.26 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 15h23m28s Observation modification date 2010 May 09 15h31m25s