C/2021 A1 (Leonard) (Record n° 24531)
Perihelion distance : 0.61 AU
Inclination to ecliptic : 133 °
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 07 03h52 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 8.6 Aperture radius for m1 0.4 ' Magnitude (MPC m2) 12.4 Magnitude standard deviation 0.1 Aperture radius for m2 5.8 " Afrho 601 cm Afrho error 7 cm r (dist/Sun) 0.846 AU d (dist/Earth) 0.326 AU Right ascension 220.41004 ° Declination +21.93011 ° 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 2021.12.07 07:24:08
AC2 fkugel@free.fr
NET NOMAD
CK21A010 C2021 12 07.16121 14 41 38.41 +21 55 48.4 8.6 T A77
CK21A010 C2021 12 07.17140 14 41 50.41 +21 54 19.5 12.4 V A77
CK21A010 C2021 12 07.17395 14 41 53.44 +21 53 55.9 12.3 V A77
CK21A010 C2021 12 07.17649 14 41 56.45 +21 53 34.6 12.3 V A77
CK21A010 C2021 12 07.17904 14 41 59.44 +21 53 12.2 12.5 V A77
CK21A010 C2021 12 07.18668 14 42 08.43 +21 52 04.6 12.4 V A77
CK21A010 C2021 12 07.20196 14 42 26.39 +21 49 48.6 12.4 V A77
CK21A010 C2021 12 07.20704 14 42 32.41 +21 49 03.0 12.4 V A77
CK21A010 C2021 12 07.21214 14 42 38.44 +21 48 16.7 12.4 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 None Camera Atik460ex Sensor CCD Sensor temperature -25 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 11x5s Observatory MPC code A77 Reference stars catalog (ast) NOMAD
Image resize factor 0.5 Resulting picture sampling (scale) 0.83 "/pix Remarks or comments Afrho (Vu) 10000km
Bad seeing, Mistral
Observation submission date 2021 Dec 07 07h27m06s Observation modification date 2021 Dec 07 08h53m21s