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C/2021 A1 (Leonard)

Perihelion distance : 0.61 AU
Inclination to ecliptic : 133 °
Eccentricity : 1

NASA/JPL elements
IAU/MPC elements


On 2021 Dec 14 16h56 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)5.7
Aperture radius for m10.74 '
Magnitude (MPC m2)6.8
Aperture radius for m26 "
Coma diameter5 '
Tail position angle (PA)45 °
r (dist/Sun) 0.755 AU
d (dist/Earth) 0.241 AU
Instrument typeNewton
Instrument aperture (0=naked eye)254 mm
Instrument focale length890 mm
FilterNone
CameraATIK 414-EX-
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountPARAMOUNT-ME-
AutoguideNo
Exposure details0.5s
Power magnification0.5 X
Air mass9.7
Observatory MPC codeL27
LocationDauban (04)
Reference stars catalog (ast)UCAC-4
Used softwaresPRISM
Resulting picture sampling (scale)1.49 "/pix
Remarks or commentsHauteur 5° 1 étoile de Ref. (mag. 7.97)
Observation submission date2021 Dec 14 20h08m39s

(Record n° 24597)

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