74P/Smirnova-Chernykh (Record n° 248)
Orbital period : 9.19 years
NASA/JPL elements
IAU/MPC elements
On 2010 Feb 16 04h21 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 17 Aperture radius used for m2 6 " r (dist/Sun) 3.625 AU d (dist/Earth) 3.067 AU Right ascension 14 00 31.96 h m s Declination -04 54 46.0 ° ' " 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 960 s Exposure details 8X120s Seeing 2 Moon elongation 138 ° Air mass 1.68 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 15h50m13s