C/2021 A1 (Leonard) (Record n° 23284)
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 23 22h11 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.8 m2 standard deviation 0.2 Aperture radius used for m2 5.8 " r (dist/Sun) 3.906 AU d (dist/Earth) 3.580 AU Right ascension 11 49 07.80 h m s Declination +61 46 25.1 ° ' " 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 2021.04.24 17:46:49
AC2 JGBosch@free.fr
NET UCAC-4
CK21A010 C2021 04 23.92409 11 49 07.80 +61 46 25.1 17.0 R A77
CK21A010 C2021 04 23.92896 11 49 07.01 +61 46 24.4 16.6 R A77
CK21A010 C2021 04 23.93544 11 49 05.90 +61 46 23.6 16.8 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 Camera Atik 460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 15x60s Observatory MPC code A77 Location Obs. Dauban A77 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Apr 24 17h50m33s Observation modification date 2021 Apr 24 18h27m02s