C/2020 R4 (ATLAS) (Record n° 23277)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 24 02h12 UT by Michael Irzyk
(Copyright Michael Irzyk)Coma Total magnitude (m1) 12.7 Aperture radius used for m1 1 ' Nuclear magnitude (m2) 13.1 Aperture radius used for m2 12 " r (dist/Sun) 1.348 AU d (dist/Earth) 0.464 AU Right ascension 16 02 07.42 h m s Declination +29 18 18.8 ° ' " Instrument 85 Instrument type Refractor Instrument aperture (0=naked eye) 85 mm Instrument focale length 450 mm Instrument focale/diameter 5.29 Filter(s) None Sensor CCD Binning 1x1 Motorization No Autoguide Yes Exposure total time 2020 s Exposure details 101x20s Reference stars catalog GSC (HST) Used softwares PRISM Resulting picture sampling (scale) 2.08 "/pix Observation submission date 2021 Apr 24 10h54m24s