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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Dec 15 17h05 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)5.8
Aperture radius used for m10.74 '
Nuclear magnitude (m2)6.9
Aperture radius used for m26 "
r (dist/Sun) 0.743 AU
d (dist/Earth) 0.254 AU
Instrument typeNewton
Instrument aperture (0=naked eye)254 mm
Instrument focale length890 mm
Instrument focale/diameter3.50
Filter(s)None
CameraATIK 414-EX-
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountPARAMOUNT-ME-
AutoguideNo
Exposure details0.5s
Observatory MPC codeL27
LocationDauban (04)
Reference stars catalogUCAC-4
Used softwaresPRISM
Resulting picture sampling (scale)1.49 "/pix
Remarks or commentsCirrus +++ 1 étoile de Ref.
Observation submission date2021 Dec 15 20h26m37s

(Record n° 24611)

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