C/2021 A1 (Leonard) (Record n° 24544)
Perihelion distance : 0.61 AU
Inclination to ecliptic : 133 °
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 09 05h27 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 7.1 Aperture radius for m1 2.9 ' Magnitude (MPC m2) 10.1 Magnitude standard deviation 0.1 Aperture radius for m2 28.85 " Coma diameter 18 ' r (dist/Sun) 0.818 AU d (dist/Earth) 0.276 AU Right ascension 232.09729 ° Declination +15.39408 ° MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.076-m f/2.5 Camera lens + CCD
ACK A77 file updated 2021.12.09 07:42:17
AC2 fkugel@free.fr
NET USNO-SA2.0
CK21A010 C2021 12 09.22708 15 28 23.35 +15 23 38.7 7.1 T A77
CK21A010 C2021 12 09.23333 15 28 33.04 +15 22 07.3 10.0 V A77
CK21A010 C2021 12 09.24058 15 28 44.25 +15 20 24.0 10.1 V A77
Instrumental configuration Config5 Instrument aperture (0=naked eye) 76 mm Instrument focale length 193 mm Instrument focale/diameter 2.5 Filter None Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT Exposure details 3x30s Observatory MPC code A77 Reference stars catalog (ast) USNO-SA2.0
Image resize factor 0.3 Resulting picture sampling (scale) 5.77 "/pix Observation submission date 2021 Dec 09 07h48m02s Observation modification date 2021 Dec 09 08h30m07s