C/2021 A1 (Leonard) (Record n° 24524)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 06 05h18 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Coma Total magnitude (m1) 8.2 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 11.9 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " r (dist/Sun) 0.859 AU d (dist/Earth) 0.356 AU Right ascension 14 24 24.39 h m s Declination +24 00 05.8 ° ' " 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 2021.12.06 14:57:29
AC2 JGBosch@free.fr
NET Gaia DR2
CK21A010 C2021 12 06.22102 14 24 24.39 +24 00 05.8 11.9 R A77
CK21A010 C2021 12 06.22668 14 24 30.18 +23 59 26.3 11.9 R A77
CK21A010 C2021 12 06.23188 14 24 35.49 +23 58 49.3 11.9 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 Sensor temperature -10 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 7x5s Observatory MPC code A77 Location Dauban A77 Reference stars catalog Gaia DR2
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Dec 06 15h28m25s Observation modification date 2021 Dec 06 15h30m04s