C/2020 R4 (ATLAS) (Record n° 23336)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 May 05 20h37 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 11.6 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 12.9 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " r (dist/Sun) 1.464 AU d (dist/Earth) 0.629 AU Right ascension 12 49 57.51 h m s Declination +31 43 10.2 ° ' " 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 2021.05.06 07:58:02
AC2 fkugel@free.fr
NET NOMAD
CK20R040 C2021 05 05.85904 12 49 57.51 +31 43 10.2 11.6 T A77
CK20R040 C2021 05 05.86159 12 49 55.89 +31 43 06.4 12.9 V A77
CK20R040 C2021 05 05.86414 12 49 54.28 +31 43 01.7 12.9 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 -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 8x45s Seeing 3 Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.36 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 May 06 08h00m28s Observation modification date 2021 May 06 08h04m40s