C/2021 A1 (Leonard) (Record n° 24656)
Perihelion distance : 0.61 AU
Inclination to ecliptic : 133 °
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 20 16h56 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 6.1 Aperture radius for m1 0.74 ' Coma diameter 3.30 ' r (dist/Sun) 0.689 AU d (dist/Earth) 0.387 AU Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 890 mm Filter None Camera ATIK 414-EX- Sensor CCD Sensor temperature -15 °C Binning 1x1 Mount PARAMOUNT-ME- Autoguide No Exposure details 2s Observatory MPC code L27 Location Dauban (04) Reference stars catalog (ast) UCAC-4 Used softwares PRISM Resulting picture sampling (scale) 1.49 "/pix Remarks or comments 4 étoiles de ref. Observation submission date 2021 Dec 20 22h48m19s