C/2020 R4 (ATLAS) (Record n° 23291)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 23 22h29 UT by Jean-Benoit de Vanssay
(Copyright Jean-Benoit de Vanssay)Nuclear magnitude (m2) 12.2 m2 standard deviation 0.1 Aperture radius used for m2 10.5 " r (dist/Sun) 1.338 AU d (dist/Earth) 0.464 AU Right ascension 16 05 25.07 h m s Declination +29 04 52.7 ° ' " MPC report COD A58
OBS J. B. de Vanssay
MEA J. B. de Vanssay
TEL 0.16-m f/3.3 reflector + CCD
ACK MPCReport file updated 2021.04.25 00:15:30
AC2 jb.devanssay@gmail.com
NET UCAC-4
CK20R040 C2021 04 23.93650 16 05 25.07 +29 04 52.7 12.2 R A58
CK20R040 C2021 04 23.94779 16 05 11.85 +29 05 47.5 12.1 R A58
CK20R040 C2021 04 23.95989 16 04 57.47 +29 06 46.6 12.2 R A58
CK20R040 C2021 04 23.97147 16 04 43.95 +29 07 43.5 12.1 R A58
Instrumental configuration Config1 Instrument E-160 Instrument type Newton Instrument aperture (0=naked eye) 160 mm Instrument focale length 528 mm Instrument focale/diameter 3.3 Filter(s) None Camera Atik 460EX Sensor CCD Sensor temperature -10 °C Binning 2x2 Mount G11 Motorization No Autoguide No Exposure total time 2400 s Exposure details 120x20sec Sky transparency (naked eye max mag) 3 Observatory MPC code A58 Location Montgeron - France Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 3.5 "/pix Observation submission date 2021 Apr 25 23h28m52s Observation modification date 2021 Apr 25 23h55m30s