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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 Apr 22 01h44 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)12.7
Aperture radius used for m10.4 '
Nuclear magnitude (m2)15.6
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 1.328 AU
d (dist/Earth) 0.466 AU
Right ascension16 40 49.42 h m s
Declination+26 15 24.6 ° ' "
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 2021.04.22 07:32:41
AC2 fkugel@free.fr
NET NOMAD
    CK20R040  C2021 04 22.07249 16 40 49.42 +26 15 24.6          15.6 V      A77
    CK20R040  C2021 04 22.07568 16 40 45.85 +26 15 43.8          15.5 V      A77
    CK20R040  C2021 04 22.08233 16 40 38.54 +26 16 23.2          12.7 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 details15x15s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Apr 22 07h35m40s
Observation modification date2021 May 01 11h50m20s

(Record n° 23253)

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