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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 Apr 20 02h30 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)12.6
Aperture radius used for m10.4 '
Nuclear magnitude (m2)15.1
m2 standard deviation0.3
Aperture radius used for m25.8 "
r (dist/Sun) 1.308 AU
d (dist/Earth) 0.481 AU
Right ascension17 14 54.84 h m s
Declination+22 48 05.6 ° ' "
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 MPCReport file updated 2021.04.20 07:06:10
AC2 fkugel@free.fr
NET NOMAD
    CK20R040  C2021 04 20.10383 17 14 54.84 +22 48 05.6          14.7 V      A77
    CK20R040  C2021 04 20.10702 17 14 51.72 +22 48 27.1          15.3 V      A77
    CK20R040  C2021 04 20.11051 17 14 48.31 +22 48 49.7          15.4 V      A77
    CK20R040  C2021 04 20.11369 17 14 45.16 +22 49 10.2          12.6 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
Binning1x1
MountMeade-MCMT-TDM
Exposure details35x15s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Apr 20 07h08m51s
Observation modification date2021 May 01 11h57m28s

(Record n° 23237)

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