C/2020 R4 (ATLAS) (Record n° 23106)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Mar 23 04h15 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 12.3 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 15.4 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " r (dist/Sun) 1.088 AU d (dist/Earth) 1.177 AU Right ascension 20 11 49.45 h m s Declination -05 49 04.4 ° ' " 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 2021.03.23 07:52:39
AC2 fkugel@free.fr
NET NOMAD
CK20R040 C2021 03 23.17705 20 11 49.45 -05 49 04.4 15.4 V A77
CK20R040 C2021 03 23.18151 20 11 48.90 -05 48 57.9 15.4 V A77
CK20R040 C2021 03 23.18597 20 11 48.37 -05 48 52.1 12.3 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 5x45s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.5 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Mar 23 08h00m05s Observation modification date 2021 Mar 23 08h05m40s