C/2021 A1 (Leonard) (Record n° 24546)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 09 04h57 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Coma Total magnitude (m1) 7.6 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 9.6 m2 standard deviation 0.6 Aperture radius used for m2 5.8 " r (dist/Sun) 0.818 AU d (dist/Earth) 0.276 AU Right ascension 15 27 50.89 h m s Declination +15 28 33.0 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.12.09 11:56:10
AC2 JGBosch@free.fr
NET NOMAD
CK21A010 C2021 12 09.20613 15 27 50.89 +15 28 33.0 9.4 R A77
CK21A010 C2021 12 09.20673 15 27 51.82 +15 28 24.3 11.1 R A77
CK21A010 C2021 12 09.20749 15 27 52.98 +15 28 14.6 9.4 R A77
CK21A010 C2021 12 09.20839 15 27 54.37 +15 28 00.9 9.3 R A77
CK21A010 C2021 12 09.20884 15 27 55.10 +15 27 54.7 9.3 R A77
CK21A010 C2021 12 09.21140 15 27 59.02 +15 27 18.3 9.4 R A77
CK21A010 C2021 12 09.21345 15 28 02.14 +15 26 50.1 9.4 R A77
Instrument NEWTON 400 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik 460ex Sensor CCD Binning 1x1 Mount Meade-MCMT-TDM Exposure details 7x2s Observatory MPC code A77 Location Dauban A77 Reference stars catalog NOMAD
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Dec 09 11h58m23s Observation modification date 2021 Dec 09 12h04m47s