C/2020 R4 (ATLAS) (Record n° 23271)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 23 21h37 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 11 Aperture radius used for m1 1.08 ' Nuclear magnitude (m2) 12.4 m2 standard deviation 0.0 Aperture radius used for m2 9.7 " r (dist/Sun) 1.338 AU d (dist/Earth) 0.464 AU Right ascension 16 06 07.15 h m s Declination +29 01 58.4 ° ' " MPC report COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK C10 2021.04.23 23:54:13
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
CK20R040 C2021 04 23.90080 16 06 07.15 +29 01 58.4 12.4 R C10
CK20R040 C2021 04 23.90391 16 06 03.49 +29 02 13.9 12.4 R C10
CK20R040 KC2021 04 23.90401 16 06 03.18 +29 02 05.4 11.0 T C10
CK20R040 C2021 04 23.90722 16 05 59.61 +29 02 29.9 12.4 R C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1140 mm Instrument focale/diameter 3.8 Filter(s) None Camera ST8-XME Sensor CCD Sensor temperature -20 °C Binning 2x2 Mount F60a AXIS INSTRUMENTS Autoguide No Exposure details 30 x 15s Observatory MPC code C10 Location Seine et Marne (77) Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 3.2 "/pix Image processing Pas de prétraitements Observation submission date 2021 Apr 23 23h56m27s Observation modification date 2021 Apr 24 17h30m10s