C/2021 A1 (Leonard) (Record n° 24598)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 14 16h56 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 5.8 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 6.3 Aperture radius used for m2 5.8 " r (dist/Sun) 0.755 AU d (dist/Earth) 0.241 AU Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) IR pro Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 5x3s Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Dec 14 20h53m38s Observation modification date 2021 Dec 14 20h54m38s