C/2020 R4 (ATLAS) (Record n° 23315)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 May 03 20h01 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 10.6 Aperture radius used for m1 2.4 ' Nuclear magnitude (m2) 12.8 m2 standard deviation 0.3 Aperture radius used for m2 28.8 " r (dist/Sun) 1.443 AU d (dist/Earth) 0.582 AU Right ascension 13 13 10.96 h m s Declination +32 32 46.1 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.076-m f/2.5 Camera lens + CCD
ACK A77 file updated 2021.05.03 22:54:47
AC2 fkugel@free.fr
NET USNO-SA2.0
CK20R040 C2021 05 03.83402 13 13 10.96 +32 32 46.1 12.5 V A77
CK20R040 C2021 05 03.84471 13 13 02.65 +32 32 35.8 13.1 V A77
CK20R040 C2021 05 03.85640 13 12 53.94 +32 32 18.6 10.6 T A77
Instrumental configuration Config5 Instrument aperture (0=naked eye) 76 mm Instrument focale length 190 mm Instrument focale/diameter 2.5 Filter(s) None Camera ST8300 Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT Exposure details 4x30s Observatory MPC code A77 Reference stars catalog USNO-SA2.0
Resulting picture sampling (scale) 5.8 "/pix Observation submission date 2021 May 04 03h19m35s Observation modification date 2021 May 20 08h09m48s