C/2021 A1 (Leonard) (Record n° 23353)
NASA/JPL elements
IAU/MPC elements
On 2021 May 08 19h59 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 18 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 3.735 AU d (dist/Earth) 3.588 AU Right ascension 11 15 02.18 h m s Declination +60 40 21.2 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS F. Kugel, J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.05.09 15:10:05
AC2 JGBosch@free.fr
NET UCAC-4
CK21A010 C2021 05 08.83252 11 15 02.18 +60 40 21.2 18.1 R A77
CK21A010 C2021 05 08.83982 11 15 01.20 +60 40 17.6 18.0 R A77
CK21A010 C2021 05 08.84711 11 15 00.30 +60 40 14.3 18.0 R A77
Instrument NEWTON 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 20x60s 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 May 09 15h13m37s Observation modification date 2021 May 09 15h16m08s