C/2020 R4 (ATLAS) (Record n° 23329)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 May 03 20h50 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Coma Total magnitude (m1) 10.9 Nuclear magnitude (m2) 13.2 m2 standard deviation 0.5 Aperture radius used for m2 5.8 " Tail length 0.78 ° r (dist/Sun) 1.443 AU d (dist/Earth) 0.582 AU Right ascension 13 12 44.72 h m s Declination +32 32 09.1 ° ' " 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 2021.05.05 11:24:12
AC2 JGBosch@free.fr
NET UCAC-4
CK20R040 C2021 05 03.86812 13 12 44.72 +32 32 09.1 13.8 R A77
CK20R040 C2021 05 03.88039 13 12 35.46 +32 31 52.5 12.8 R A77
CK20R040 C2021 05 03.89336 13 12 25.69 +32 31 35.7 12.9 R A77
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 57x30s Observatory MPC code A77 Location Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 May 05 11h29m19s Observation modification date 2021 May 06 20h33m21s