C/2021 A1 (Leonard) (Record n° 24686)
Perihelion distance : 0.61 AU
Inclination to ecliptic : 133 °
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2021 Dec 28 00h44 UT by Jean-Louis Virlichie
(Copyright Jean-Louis Virlichie)Coma Total magnitude (m1) 6.1 Aperture radius for m1 1.4 ' Magnitude (MPC m2) 9 Magnitude standard deviation 0.0 Aperture radius for m2 5.6 " r (dist/Sun) 0.631 AU d (dist/Earth) 0.680 AU Right ascension 320.3935 ° Declination -34.54992 ° MPC report COD X03
CON Jean-Louis Virlichie [jl.virlichie@gmail.com]
OBS J. L. Virlichie, P. Traverse
MEA J. L. Virlichie
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2021.12.28 21:07:56
AC2 jl.virlichie@gmail.com
NET Gaia DR2
CK21A010 C2021 12 28.03047 21 21 34.44 -34 32 59.7 9.1 G X03
CK21A010 C2021 12 28.03241 21 21 34.95 -34 33 01.5 9.0 G X03
CK21A010 C2021 12 28.03473 21 21 35.51 -34 33 04.0 9.0 G X03
CK21A010 C2021 12 28.03944 21 21 36.71 -34 33 08.8 9.0 G X03
CK21A010 C2021 12 28.05302 21 21 40.10 -34 33 22.6 6.1 T X03Instrumental configuration Config1 Instrument ONTC 355 Instrument type Newton Instrument aperture (0=naked eye) 350 mm Instrument focale length 1645 mm Instrument focale/diameter 4.7 Filter L Camera Moravian G3 KAF 16200 Sensor CCD Sensor size 27x21.6 mm2 Sensor pixels number 4500x3600 Sensor temperature -20 °C Binning 1x1 Mount SW EQ8 Autoguide Yes Exposure details 1x5s Observatory MPC code X03 Location Poroto Chili Reference stars catalog (ast) Gaia DR2
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.7 "/pix Remarks or comments m1 et AFRHO mesurées par FoCAs Observation submission date 2021 Dec 28 21h40m37s Observation modification date 2021 Dec 30 21h54m19s