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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 03 20h01 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)10.6
Aperture radius used for m12.4 '
Nuclear magnitude (m2)12.8
m2 standard deviation0.3
Aperture radius used for m228.8 "
r (dist/Sun) 1.443 AU
d (dist/Earth) 0.582 AU
Right ascension13 13 10.96 h m s
Declination+32 32 46.1 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.076-m f/2.5 Camera lens + CCD
ACK A77 file updated 2021.05.03 22:54:47
AC2 fkugel@free.fr
NET USNO-SA2.0
    CK20R040  C2021 05 03.83402 13 13 10.96 +32 32 46.1          12.5 V      A77
    CK20R040  C2021 05 03.84471 13 13 02.65 +32 32 35.8          13.1 V      A77
    CK20R040  C2021 05 03.85640 13 12 53.94 +32 32 18.6          10.6 T      A77
Instrumental configurationConfig5
Instrument aperture (0=naked eye)76 mm
Instrument focale length190 mm
Instrument focale/diameter2.5
Filter(s)None
CameraST8300
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT
Exposure details4x30s
Observatory MPC codeA77
Reference stars catalogUSNO-SA2.0
Resulting picture sampling (scale)5.8 "/pix
Observation submission date2021 May 04 03h19m35s
Observation modification date2021 May 20 08h09m48s

(Record n° 23315)

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