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C/2021 A4 (NEOWISE)

Orbital period : 281.90 years

NASA/JPL elements
IAU/MPC elements


On 2021 Mar 09 19h19 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)13.5
Aperture radius used for m10.4 '
Nuclear magnitude (m2)16.3
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 1.159 AU
d (dist/Earth) 0.870 AU
Right ascension04 20 21.90 h m s
Declination+05 14 03.6 ° ' "
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 2021.03.09 22:13:30
AC2 fkugel@free.fr
NET NOMAD
    CK21A040  C2021 03 09.80520 04 20 21.90 +05 14 03.6          16.3 V      A77
    CK21A040  C2021 03 09.81189 04 20 21.52 +05 13 41.4          16.3 V      A77
    CK21A040  C2021 03 09.81595 04 20 21.30 +05 13 27.7          13.5 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 details5x60s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Mar 09 22h16m08s
Observation modification date2021 Mar 09 22h18m15s

(Record n° 23043)

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