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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Nov 30 04h31 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Coma Total magnitude (m1)7.3
Nuclear magnitude (m2)11.4
m2 standard deviation0.2
Aperture radius used for m25.8 "
r (dist/Sun) 0.946 AU
d (dist/Earth) 0.558 AU
Right ascension13 14 47.14 h m s
Declination+30 25 44.2 ° ' "
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 2021.11.30 13:56:59
AC2 JGBosch@free.fr
NET UCAC-4
    CK21A010  C2021 11 30.18789 13 14 47.14 +30 25 44.2          11.5 R      A77
    CK21A010  C2021 11 30.19172 13 14 48.60 +30 25 39.4          11.2 R      A77
    CK21A010  C2021 11 30.19619 13 14 50.69 +30 25 30.6          11.6 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 details2x45s
Observatory MPC codeA77
LocationDauban A77
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Nov 30 14h03m26s
Observation modification date2021 Nov 30 14h15m15s

(Record n° 24469)

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