C/2021 A1 (Leonard) (Record n° 24457)
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 29 05h07 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 9.6 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 13.2 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " Afrho 636 cm r (dist/Sun) 0.961 AU d (dist/Earth) 0.593 AU Right ascension 13 07 49.49 h m s Declination +30 54 15.4 ° ' " 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 2021.11.29 08:44:03
AC2 fkugel@free.fr
NET NOMAD
CK21A010 C2021 11 29.21353 13 07 49.49 +30 54 15.4 9.6 T A77
CK21A010 C2021 11 29.22838 13 07 55.39 +30 53 52.0 13.2 V A77
CK21A010 C2021 11 29.23432 13 07 57.81 +30 53 42.5 13.2 V 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 Mount Meade-MCMT-TDM Exposure details 5x40s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.4 Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho (10000km) Observation submission date 2021 Nov 29 08h54m39s Observation modification date 2021 Nov 29 09h47m21s