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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 03 20h50 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Coma Total magnitude (m1)10.9
Nuclear magnitude (m2)13.2
m2 standard deviation0.5
Aperture radius used for m25.8 "
Tail length0.78 °
r (dist/Sun) 1.443 AU
d (dist/Earth) 0.582 AU
Right ascension13 12 44.72 h m s
Declination+32 32 09.1 ° ' "
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 2021.05.05 11:24:12
AC2 JGBosch@free.fr
NET UCAC-4
    CK20R040  C2021 05 03.86812 13 12 44.72 +32 32 09.1          13.8 R      A77
    CK20R040  C2021 05 03.88039 13 12 35.46 +32 31 52.5          12.8 R      A77
    CK20R040  C2021 05 03.89336 13 12 25.69 +32 31 35.7          12.9 R      A77
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
CameraAtik 460ex
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details57x30s
Observatory MPC codeA77
LocationDauban
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 May 05 11h29m19s
Observation modification date2021 May 06 20h33m21s

(Record n° 23329)

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