C/2021 A1 (Leonard) (Record n° 24444)
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 28 05h17 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 10 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 12.9 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " Afrho 563 cm Afrho error 6 cm r (dist/Sun) 0.976 AU d (dist/Earth) 0.629 AU Right ascension 13 01 28.93 h m s Declination +31 18 42.9 ° ' " 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 2021.11.28 08:55:35
AC2 fkugel@free.fr
NET NOMAD
CK21A010 C2021 11 28.22032 13 01 28.93 +31 18 42.9 10.0 T A77
CK21A010 C2021 11 28.22800 13 01 31.71 +31 18 33.2 12.9 V A77
CK21A010 C2021 11 28.23627 13 01 34.71 +31 18 21.5 12.9 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 26x45s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.37 Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho (10000km) Observation submission date 2021 Nov 28 09h12m04s Observation modification date 2021 Nov 28 15h47m05s