C/2021 A1 (Leonard) (Record n° 23382)
NASA/JPL elements
IAU/MPC elements
On 2021 May 19 20h43 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.4 m2 standard deviation 0.4 Aperture radius used for m2 5.8 " r (dist/Sun) 3.607 AU d (dist/Earth) 3.604 AU Right ascension 10 55 57.28 h m s Declination +59 11 10.8 ° ' " 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 2021.05.20 11:17:59
AC2 JGBosch@free.fr
NET UCAC-4
CK21A010 C2021 05 19.86289 10 55 57.28 +59 11 10.8 16.5 R A77
CK21A010 C2021 05 19.86695 10 55 56.48 +59 11 06.5 15.9 R A77
CK21A010 C2021 05 19.87100 10 55 56.32 +59 11 04.6 16.8 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 Mount Meade-MCMT-TDM Exposure details 9x1mn 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 20 11h20m04s Observation modification date 2021 May 20 12h39m09s