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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 May 19 20h43 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)16.4
m2 standard deviation0.4
Aperture radius used for m25.8 "
r (dist/Sun) 3.607 AU
d (dist/Earth) 3.604 AU
Right ascension10 55 57.28 h m s
Declination+59 11 10.8 ° ' "
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 2021.05.20 11:17:59
AC2 JGBosch@free.fr
NET UCAC-4
    CK21A010  C2021 05 19.86289 10 55 57.28 +59 11 10.8          16.5 R      A77
    CK21A010  C2021 05 19.86695 10 55 56.48 +59 11 06.5          15.9 R      A77
    CK21A010  C2021 05 19.87100 10 55 56.32 +59 11 04.6          16.8 R      A77
InstrumentNEWTON
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
CameraAtik 460ex
SensorCCD
MountMeade-MCMT-TDM
Exposure details9x1mn
Observatory MPC codeA77
LocationObs. Dauban A77
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 May 20 11h20m04s
Observation modification date2021 May 20 12h39m09s

(Record n° 23382)

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