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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Dec 06 05h18 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Coma Total magnitude (m1)8.2
Aperture radius used for m10.4 '
Nuclear magnitude (m2)11.9
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 0.859 AU
d (dist/Earth) 0.356 AU
Right ascension14 24 24.39 h m s
Declination+24 00 05.8 ° ' "
MPC report
COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.12.06 14:57:29
AC2 JGBosch@free.fr
NET Gaia DR2
    CK21A010  C2021 12 06.22102 14 24 24.39 +24 00 05.8          11.9 R      A77
    CK21A010  C2021 12 06.22668 14 24 30.18 +23 59 26.3          11.9 R      A77
    CK21A010  C2021 12 06.23188 14 24 35.49 +23 58 49.3          11.9 R      A77
InstrumentNEWTON 400
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik 460ex
SensorCCD
Sensor temperature-10 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details7x5s
Observatory MPC codeA77
LocationDauban A77
Reference stars catalogGaia DR2
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Dec 06 15h28m25s
Observation modification date2021 Dec 06 15h30m04s

(Record n° 24524)

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