C/2020 R4 (ATLAS) (Record n° 23359)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 May 11 20h35 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 15.3 m2 standard deviation 0.2 Aperture radius used for m2 5.8 " r (dist/Sun) 1.531 AU d (dist/Earth) 0.796 AU Right ascension 12 02 07.01 h m s Declination +28 50 36.7 ° ' " 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 2021.05.12 12:58:20
AC2 JGBosch@free.fr
NET UCAC-4
CK20R040 C2021 05 11.85741 12 02 07.01 +28 50 36.7 15.3 R A77
CK20R040 C2021 05 11.86470 12 02 04.40 +28 50 23.7 15.5 R A77
CK20R040 C2021 05 11.87280 12 02 01.45 +28 50 10.6 15.1 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 20x1mn 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 12 13h01m41s Observation modification date 2021 May 12 14h47m04s