C/2020 R4 (ATLAS) (Record n° 23204)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 13 02h15 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 12 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 16.2 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 1.243 AU d (dist/Earth) 0.598 AU Right ascension 18 41 46.25 h m s Declination +10 45 02.2 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.04.13 08:13:31
AC2 fkugel@free.fr
NET NOMAD
CK20R040 C2021 04 13.09362 18 41 46.25 +10 45 02.2 16.1 V A77
CK20R040 C2021 04 13.10063 18 41 42.44 +10 45 39.8 16.2 V A77
CK20R040 C2021 04 13.10828 18 41 38.34 +10 46 19.9 12.0 T A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 3x45s Observatory MPC code A77 Reference stars catalog NOMAD
Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Apr 13 08h20m12s Observation modification date 2021 Apr 13 08h28m17s