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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 01 20h18 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)12
Aperture radius used for m10.4 '
Nuclear magnitude (m2)14.1
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 1.421 AU
d (dist/Earth) 0.540 AU
Right ascension13 40 22.81 h m s
Declination+33 06 24.7 ° ' "
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 2021.05.02 06:25:11
AC2 fkugel@free.fr
NET NOMAD
    CK20R040  C2021 05 01.84618 13 40 22.81 +33 06 24.7          14.1 V      A77
    CK20R040  C2021 05 01.85178 13 40 17.84 +33 06 19.9          14.1 V      A77
    CK20R040  C2021 05 01.85837 13 40 11.89 +33 06 16.1          12.0 T      A77
    CK20R040  C2021 05 01.86323 13 40 07.60 +33 06 13.2          14.1 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 details50x20s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 May 02 06h31m27s
Observation modification date2021 May 02 08h04m59s

(Record n° 23304)

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