C/2020 R4 (ATLAS) (Record n° 23262)
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 m1 1 ' Nuclear magnitude (m2) 12.9 Aperture radius used for m2 12 " r (dist/Sun) 1.328 AU d (dist/Earth) 0.466 AU Right ascension 16 40 06.28 h m s Declination +26 19 12.6 ° ' " Instrument type Refractor Instrument aperture (0=naked eye) 85 mm Instrument focale length 450 mm Instrument focale/diameter 5.29 Filter(s) None Camera H694 Sensor CCD Binning 1x1 Motorization No Autoguide Yes Exposure total time 3180 s Exposure details 53x1min Reference stars catalog GSC (HST) Used softwares PRISM Resulting picture sampling (scale) 2.08 "/pix Observation submission date 2021 Apr 22 16h27m25s