C/2020 R4 (ATLAS) (Record n° 23091)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Mar 20 04h19 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 11.7 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 15.5 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 1.072 AU d (dist/Earth) 1.261 AU Right ascension 20 17 16.72 h m s Declination -06 55 43.4 ° ' " 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 2021.03.20 07:10:32
AC2 fkugel@free.fr
NET NOMAD
CK20R040 C2021 03 20.17965 20 17 16.72 -06 55 43.4 15.5 V A77
CK20R040 C2021 03 20.18243 20 17 16.43 -06 55 40.0 15.6 V A77
CK20R040 C2021 03 20.18521 20 17 16.17 -06 55 36.5 15.5 V 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 -25 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 14x30s 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 20 07h12m56s Observation modification date 2021 Mar 20 07h27m32s