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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Dec 09 05h18 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)8
Aperture radius used for m10.74 '
Nuclear magnitude (m2)10
m2 standard deviation0.0
Aperture radius used for m26 "
r (dist/Sun) 0.818 AU
d (dist/Earth) 0.276 AU
Right ascension15 28 13.96 h m s
Declination+15 25 02.2 ° ' "
MPC report
COD L27
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 Newtonian reflector + CCD
ACK L27 2021.12.09 06:51:38
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
    CK21A010  C2021 12 09.22114 15 28 13.96 +15 25 02.2          10.0 R      L27
    CK21A010  C2021 12 09.22398 15 28 18.36 +15 24 21.0          10.0 R      L27
    CK21A010  C2021 12 09.22687 15 28 22.86 +15 23 39.8          10.0 R      L27
    CK21A010  C2021 12 09.22977 15 28 27.30 +15 22 58.9           9.9 R      L27
    CK21A010  C2021 12 09.23266 15 28 31.42 +15 22 26.0           8.0 T      L27
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length875 mm
Instrument focale/diameter3.5
Filter(s)None
CameraATIK 414-EX-
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountPARAMOUNT-ME-
AutoguideNo
Exposure details20 x 1s
Observatory MPC codeL27
LocationDauban (04)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.49 "/pix
Observation submission date2021 Dec 09 06h53m11s
Observation modification date2021 Dec 09 07h04m22s

(Record n° 24543)

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