C/2021 A1 (Leonard) (Record n° 24420)
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 22 04h40 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 9.9 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 12.7 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " Afrho 573 cm Afrho error 6 cm r (dist/Sun) 1.067 AU d (dist/Earth) 0.846 AU Right ascension 12 33 59.49 h m s Declination +32 49 27.8 ° ' " 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 2021.11.22 08:00:52
AC2 fkugel@free.fr
NET USNO-B1.0
CK21A010 C2021 11 22.19459 12 33 59.49 +32 49 27.8 12.7 I A77
CK21A010 C2021 11 22.20154 12 34 00.90 +32 49 23.5 12.6 I A77
CK21A010 C2021 11 22.20895 12 34 02.39 +32 49 19.5 9.9 T A77
Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) IR pro Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 3x30s Observatory MPC code A77 Reference stars catalog USNO-B1.0
Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho (5000km) Observation submission date 2021 Nov 22 08h04m28s Observation modification date 2021 Nov 22 09h05m36s