C/2020 R4 (ATLAS) (Record n° 23253)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 22 01h44 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 12.7 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 15.6 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 1.328 AU d (dist/Earth) 0.466 AU Right ascension 16 40 49.42 h m s Declination +26 15 24.6 ° ' " 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 2021.04.22 07:32:41
AC2 fkugel@free.fr
NET NOMAD
CK20R040 C2021 04 22.07249 16 40 49.42 +26 15 24.6 15.6 V A77
CK20R040 C2021 04 22.07568 16 40 45.85 +26 15 43.8 15.5 V A77
CK20R040 C2021 04 22.08233 16 40 38.54 +26 16 23.2 12.7 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 15x15s Observatory MPC code A77 Reference stars catalog NOMAD
Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Apr 22 07h35m40s Observation modification date 2021 May 01 11h50m20s