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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 Apr 08 03h44 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)12.4
Aperture radius used for m10.4 '
Nuclear magnitude (m2)15.8
m2 standard deviation0.3
Aperture radius used for m25.8 "
r (dist/Sun) 1.199 AU
d (dist/Earth) 0.723 AU
Right ascension19 17 30.09 h m s
Declination+04 35 12.8 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.04.08 07:39:34
AC2 fkugel@free.fr
NET NOMAD
    CK20R040  C2021 04 08.15567 19 17 30.09 +04 35 12.8          16.1 V      A77
    CK20R040  C2021 04 08.15891 19 17 28.93 +04 35 23.9          15.5 V      A77
    CK20R040  C2021 04 08.16076 19 17 28.35 +04 35 31.3          12.4 T      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Sensor temperature-25 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details12x30s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Apr 08 07h45m20s
Observation modification date2021 Apr 08 08h31m12s

(Record n° 23188)

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