C/2012 J1 (Catalina) (Record n° 7858)
NASA/JPL elements
IAU/MPC elements
On 2012 Oct 22 ??h?? UT by Christian Gros
(Copyright Christian Gros)r (dist/Sun) 3.190 AU d (dist/Earth) 2.337 AU Instrument Minolta Instrument type Camera lens Instrument aperture (0=naked eye) 75 mm Instrument focale length 300 mm Instrument focale/diameter 4 Camera A450 Sony Sensor DC Exposure total time 1800 s Exposure details 30x1mn Sky transparency (naked eye max mag) 4 Location Besan?on Resulting picture sampling (scale) 240 "/pix Observation submission date 2012 Nov 04 13h50m49s