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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 05 20h37 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)11.6
Aperture radius used for m10.4 '
Nuclear magnitude (m2)12.9
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 1.464 AU
d (dist/Earth) 0.629 AU
Right ascension12 49 57.51 h m s
Declination+31 43 10.2 ° ' "
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 2021.05.06 07:58:02
AC2 fkugel@free.fr
NET NOMAD
    CK20R040  C2021 05 05.85904 12 49 57.51 +31 43 10.2          11.6 T      A77
    CK20R040  C2021 05 05.86159 12 49 55.89 +31 43 06.4          12.9 V      A77
    CK20R040  C2021 05 05.86414 12 49 54.28 +31 43 01.7          12.9 V      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 details8x45s
Seeing3
Observatory MPC codeA77
Reference stars catalogNOMAD
Image resize factor0.36
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 May 06 08h00m28s
Observation modification date2021 May 06 08h04m40s

(Record n° 23336)

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