C/2021 A1 (Leonard) (Record n° 24434)
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 26 03h34 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 11 Aperture radius used for m1 0.335 ' Nuclear magnitude (m2) 13.8 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 1.006 AU d (dist/Earth) 0.701 AU Right ascension 12 50 13.78 h m s Declination +31 58 41.8 ° ' " 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 2021.11.26 10:43:39
AC2 fkugel@free.fr
NET USNO-B1.0
CK21A010 C2021 11 26.14858 12 50 13.78 +31 58 41.8 13.7 V A77
CK21A010 C2021 11 26.15113 12 50 14.52 +31 58 40.3 13.8 V A77
CK21A010 C2021 11 26.15368 12 50 15.28 +31 58 36.9 11.0 T A77
Instrumental configuration Config3 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik490ex-color Sensor CCD Sensor temperature -25 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 1x30s Observatory MPC code A77 Reference stars catalog USNO-B1.0
Image resize factor 0.4 Resulting picture sampling (scale) 0.67 "/pix Remarks or comments Cloudy Observation submission date 2021 Nov 26 10h47m09s Observation modification date 2021 Nov 26 19h04m27s