C/2021 A1 (Leonard) (Record n° 24651)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 20 17h12 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 3.7 Aperture radius used for m1 5 ' Coma diameter 10 ' r (dist/Sun) 0.689 AU d (dist/Earth) 0.387 AU Instrumental configuration Config7 Instrument type Camera lens Instrument aperture (0=naked eye) 55 mm Instrument focale length 135 mm Instrument focale/diameter 2.45 Filter(s) None Camera 350D Sensor DC Binning 1x1 Mount none Exposure details 1x2.5s Resulting picture sampling (scale) 10 "/pix Observation submission date 2021 Dec 20 20h14m40s Observation modification date 2021 Dec 21 14h57m26s