C/2021 A1 (Leonard) (Record n° 24543)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 09 05h18 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 8 Aperture radius used for m1 0.74 ' Nuclear magnitude (m2) 10 m2 standard deviation 0.0 Aperture radius used for m2 6 " r (dist/Sun) 0.818 AU d (dist/Earth) 0.276 AU Right ascension 15 28 13.96 h m s Declination +15 25 02.2 ° ' " 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 2021.12.09 06:51:38
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
CK21A010 C2021 12 09.22114 15 28 13.96 +15 25 02.2 10.0 R L27
CK21A010 C2021 12 09.22398 15 28 18.36 +15 24 21.0 10.0 R L27
CK21A010 C2021 12 09.22687 15 28 22.86 +15 23 39.8 10.0 R L27
CK21A010 C2021 12 09.22977 15 28 27.30 +15 22 58.9 9.9 R L27
CK21A010 C2021 12 09.23266 15 28 31.42 +15 22 26.0 8.0 T L27
Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 875 mm Instrument focale/diameter 3.5 Filter(s) 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 UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.49 "/pix Observation submission date 2021 Dec 09 06h53m11s Observation modification date 2021 Dec 09 07h04m22s