C/2020 R4 (ATLAS) (Record n° 23350)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 May 08 20h57 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 15.2 m2 standard deviation 0.3 Aperture radius used for m2 5.8 " r (dist/Sun) 1.497 AU d (dist/Earth) 0.709 AU Right ascension 12 22 35.24 h m s Declination +30 17 09.1 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS F. Kugel, J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.05.09 15:10:05
AC2 JGBosch@free.fr
NET UCAC-4
CK20R040 C2021 05 08.87271 12 22 35.24 +30 17 09.1 15.4 R A77
CK20R040 C2021 05 08.88392 12 22 29.95 +30 16 49.3 15.3 R A77
CK20R040 C2021 05 08.89549 12 22 24.44 +30 16 28.5 14.8 R A77
Instrument NEWTON 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 50x30s 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 May 09 15h13m37s Observation modification date 2021 May 09 15h28m23s