C/2020 R4 (ATLAS) (Record n° 23281)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 23 21h15 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 11.3 m2 standard deviation 0.4 Aperture radius used for m2 5.8 " r (dist/Sun) 1.338 AU d (dist/Earth) 0.464 AU Right ascension 16 06 25.48 h m s Declination +29 00 43.0 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.04.24 17:46:49
AC2 JGBosch@free.fr
NET UCAC-4
CK20R040 C2021 04 23.88513 16 06 25.48 +29 00 43.0 11.9 R A77
CK20R040 C2021 04 23.88727 16 06 22.99 +29 00 53.2 11.0 R A77
CK20R040 C2021 04 23.88943 16 06 20.44 +29 01 03.7 11.0 R A77
Instrument NEWTON 400 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Camera Atik 460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 15x60s Observatory MPC code A77 Location Obs. Dauban A77 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Apr 24 17h50m33s Observation modification date 2021 Apr 24 18h29m49s