C/2020 R4 (ATLAS) (Record n° 23251)
Orbital period : 974.10 years
NASA/JPL elements
IAU/MPC elements
On 2021 Apr 20 21h42 UT by Arnaud Leroy
(Copyright Arnaud Leroy)Nuclear magnitude (m2) 14.4 m2 standard deviation 0.0 r (dist/Sun) 1.308 AU d (dist/Earth) 0.480 AU Right ascension 17 01 33.44 h m s Declination +24 14 31.4 ° ' " MPC report COD XXX
CON Arnaud Leroy 37 rue Albert Mattar 77400 Carnetin , France
CON [arnaudastro@yahoo.fr]
CON Calypso Observatory,Long. 2 42 24.72 E, Lat. 48 53 54.76 N, Alt. 112m, GPS (inboard of the camera)
OBS A.Leroy
MEA A.Leroy
TEL 0.300-m f/5 Newton + QHY 174M GPS
NET UCAC 4
ACK batch
CK20R040 C2021 04 20.90397 17 01 33.44 +24 14 31.4 XXX
CK20R040 C2021 04 20.90590 17 01 31.54 +24 14 42.9 14.4 N XXXInstrumental configuration Config3 Instrument SW 300 F/D5 Instrument aperture (0=naked eye) 300 mm Instrument focale length 1500 mm Instrument focale/diameter 5 Filter(s) None Camera QHY174MGPS Sensor CMOS Sensor size 11.25*7.03 mm2 Sensor pixels number 1920*1200 Sensor temperature -15 °C Binning 1x1 Mount ALTAZ Motorization Yes Autoguide No Exposure details 62*10s Observatory MPC code XXX Reference stars catalog UCAC 4
Resulting picture sampling (scale) 0.81 "/pix Observation submission date 2021 Apr 21 16h05m34s Observation modification date 2021 Apr 21 16h07m15s