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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 08 21h51 UT by Jean-Benoit de Vanssay


(Copyright Jean-Benoit de Vanssay)

Nuclear magnitude (m2)14.2
m2 standard deviation0.3
Aperture radius used for m28.75 "
r (dist/Sun) 1.497 AU
d (dist/Earth) 0.709 AU
Right ascension12 22 17.57 h m s
Declination+30 15 59.7 ° ' "
MPC report
COD A58
OBS J. B. de Vanssay
MEA J. B. de Vanssay
TEL 0.16-m f/3.3 reflector + CCD
ACK MPCReport file updated 2021.05.09 02:37:25
AC2 jb.devanssay@gmail.com
NET UCAC-4
    CK20R040 KC2021 05 08.91057 12 22 17.57 +30 15 59.7          13.9 R      A58
    CK20R040 KC2021 05 08.91667 12 22 14.61 +30 15 49.1          14.5 R      A58
    CK20R040 KC2021 05 08.92322 12 22 11.54 +30 15 38.1          14.3 R      A58
Instrumental configurationConfig1
InstrumentE-160
Instrument typeNewton
Instrument aperture (0=naked eye)160 mm
Instrument focale length528 mm
Instrument focale/diameter3.3
Filter(s)None
CameraAtik 460EX
SensorCCD
Sensor temperature-10 °C
Binning1x1
MountG11
MotorizationNo
AutoguideNo
Exposure total time1200 s
Exposure details40x30s
Sky transparency (naked eye max mag)2
Observatory MPC codeA58
LocationMontgeron - France
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.75 "/pix
Observation submission date2021 May 09 02h43m04s
Observation modification date2021 May 09 02h48m03s

(Record n° 23347)

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