C/2021 A1 (Leonard) (Record n° 24130)
NASA/JPL elements
IAU/MPC elements
On 2021 Oct 11 04h14 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 13.4 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 15.5 m2 standard deviation 0.5 Aperture radius used for m2 5.8 " r (dist/Sun) 1.710 AU d (dist/Earth) 2.187 AU Right ascension 11 28 00.71 h m s Declination +36 40 57.1 ° ' " 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 2021.10.11 09:06:08
AC2 fkugel@free.fr
NET NOMAD
CK21A010 C2021 10 11.17621 11 28 00.71 +36 40 57.1 15.0 V A77
CK21A010 C2021 10 11.18190 11 28 01.09 +36 40 54.5 16.0 V A77
CK21A010 C2021 10 11.18839 11 28 01.45 +36 40 52.6 13.4 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 -20 °C Binning 1x1 Exposure details 16x60s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.5 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Oct 11 09h11m53s Observation modification date 2021 Oct 11 09h57m02s