C/2020 R4 (ATLAS) (Record n° 23140)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Mar 31 04h01 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 12.9 m2 standard deviation 0.5 Aperture radius used for m2 29 " Coma diameter 3 ' r (dist/Sun) 1.138 AU d (dist/Earth) 0.947 AU Right ascension 19 51 53.14 h m s Declination -01 51 54.3 ° ' " 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 2021.03.31 08:22:28
AC2 fkugel@free.fr
NET USNO-SA2.0
CK20R040 C2021 03 31.16704 19 51 53.14 -01 51 54.3 13.4 V A77
CK20R040 C2021 03 31.17092 19 51 52.53 -01 51 47.5 13.0 V A77
CK20R040 C2021 03 31.17530 19 51 51.66 -01 51 36.7 12.3 V 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 5x30s Observatory MPC code A77 Reference stars catalog USNO-SA2.0
Resulting picture sampling (scale) 5.8 "/pix Observation submission date 2021 Mar 31 08h36m04s Observation modification date 2021 Mar 31 09h15m21s