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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 Apr 22 02h14 UT by Michael Irzyk


(Copyright Michael Irzyk)

Coma Total magnitude (m1)12.6
Aperture radius used for m11 '
Nuclear magnitude (m2)12.9
Aperture radius used for m212 "
r (dist/Sun) 1.328 AU
d (dist/Earth) 0.466 AU
Right ascension16 40 06.28 h m s
Declination+26 19 12.6 ° ' "
Instrument typeRefractor
Instrument aperture (0=naked eye)85 mm
Instrument focale length450 mm
Instrument focale/diameter5.29
Filter(s)None
CameraH694
SensorCCD
Binning1x1
MotorizationNo
AutoguideYes
Exposure total time3180 s
Exposure details53x1min
Reference stars catalogGSC (HST)
Used softwaresPRISM
Resulting picture sampling (scale)2.08 "/pix
Observation submission date2021 Apr 22 16h27m25s

(Record n° 23262)

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