C/2021 A1 (Leonard) (Record n° 24479)
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 01 02h26 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 8.7 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 13 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " Afrho 504 cm Afrho error 5 cm r (dist/Sun) 0.931 AU d (dist/Earth) 0.522 AU Right ascension 13 22 05.67 h m s Declination +29 53 52.6 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.12.01 08:38:48
AC2 fkugel@free.fr
NET NOMAD
CK21A010 C2021 12 01.10158 13 22 05.67 +29 53 52.6 13.0 V A77
CK21A010 C2021 12 01.14986 13 22 30.23 +29 52 02.9 13.0 V A77
CK21A010 C2021 12 01.15682 13 22 33.80 +29 51 46.7 12.8 V A77
CK21A010 C2021 12 01.16469 13 22 37.77 +29 51 29.9 13.0 V A77
CK21A010 C2021 12 01.17210 13 22 41.55 +29 51 12.2 8.7 T A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Sensor temperature -25 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 9x30s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.376 Resulting picture sampling (scale) 0.83 "/pix Image processing Afrho (Vu) 10000km Observation submission date 2021 Dec 01 08h43m06s Observation modification date 2021 Dec 01 12h02m06s