C/2020 R4 (ATLAS) (Record n° 23071)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Mar 17 04h43 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 11.2 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 14.8 m2 standard deviation 0.3 Aperture radius used for m2 5.8 " Coma diameter 2 ' r (dist/Sun) 1.059 AU d (dist/Earth) 1.343 AU Right ascension 20 21 58.54 h m s Declination -07 53 42.8 ° ' " 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 2021.03.17 07:15:36
AC2 fkugel@free.fr
NET NOMAD
CK20R040 C2021 03 17.19664 20 21 58.54 -07 53 42.8 14.5 V A77
CK20R040 C2021 03 17.19988 20 21 58.28 -07 53 38.8 15.0 V A77
CK20R040 C2021 03 17.20313 20 21 58.01 -07 53 36.5 11.2 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 9x30s 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 17 07h23m19s Observation modification date 2021 Mar 17 07h26m19s