C/2021 A1 (Leonard) (Record n° 24530)
Perihelion distance : 0.61 AU
Inclination to ecliptic : 133 °
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 07 05h08 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 8.6 Aperture radius for m1 0.74 ' Magnitude (MPC m2) 11 Magnitude standard deviation 0.1 Aperture radius for m2 6 " r (dist/Sun) 0.846 AU d (dist/Earth) 0.326 AU Right ascension 220.66717 ° Declination +21.80117 ° MPC report COD L27
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 Newtonian reflector + CCD
ACK L27 2021.12.07 07:12:35
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
CK21A010 C2021 12 07.21368 14 42 40.12 +21 48 04.2 11.0 R L27
CK21A010 C2021 12 07.21651 14 42 43.51 +21 47 38.0 11.0 R L27
CK21A010 C2021 12 07.21941 14 42 46.90 +21 47 13.5 11.0 R L27
CK21A010 C2021 12 07.22230 14 42 50.39 +21 46 47.2 11.1 R L27
CK21A010 C2021 12 07.22520 14 42 53.72 +21 46 21.3 11.1 R L27
CK21A010 C2021 12 07.23018 14 42 59.66 +21 45 36.3 11.0 R L27
CK21A010 C2021 12 07.23308 14 43 03.09 +21 45 09.5 11.1 R L27
CK21A010 C2021 12 07.23597 14 43 06.48 +21 44 44.0 11.0 R L27
CK21A010 KC2021 12 07.23861 14 43 09.15 +21 44 30.1 8.6 T L27
CK21A010 C2021 12 07.23887 14 43 09.93 +21 44 18.1 10.9 R L27
Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 875 mm Instrument focale/diameter 3.5 Filter None Camera ATIK 414-EX- Sensor CCD Sensor temperature -15 °C Binning 1x1 Mount PARAMOUNT-ME- Autoguide No Exposure details 20 x 1s Observatory MPC code L27 Location Dauban (04) Reference stars catalog (ast) UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.49 "/pix Observation submission date 2021 Dec 07 07h14m34s Observation modification date 2021 Dec 07 07h35m09s