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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 Apr 13 02h15 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)12
Aperture radius used for m10.4 '
Nuclear magnitude (m2)16.2
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 1.243 AU
d (dist/Earth) 0.598 AU
Right ascension18 41 46.25 h m s
Declination+10 45 02.2 ° ' "
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 2021.04.13 08:13:31
AC2 fkugel@free.fr
NET NOMAD
    CK20R040  C2021 04 13.09362 18 41 46.25 +10 45 02.2          16.1 V      A77
    CK20R040  C2021 04 13.10063 18 41 42.44 +10 45 39.8          16.2 V      A77
    CK20R040  C2021 04 13.10828 18 41 38.34 +10 46 19.9          12.0 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-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details3x45s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Apr 13 08h20m12s
Observation modification date2021 Apr 13 08h28m17s

(Record n° 23204)

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