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C/2021 A4 (NEOWISE)

Orbital period : 281.90 years

NASA/JPL elements
IAU/MPC elements


On 2021 Feb 15 18h01 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)15
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 1.258 AU
d (dist/Earth) 0.441 AU
Right ascension05 42 40.28 h m s
Declination+49 19 39.9 ° ' "
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 2021.02.15 20:27:58
AC2 fkugel@free.fr
NET NOMAD
    CK21A040  C2021 02 15.75080 05 42 40.28 +49 19 39.9          14.9 V      A77
    CK21A040  C2021 02 15.75671 05 42 35.83 +49 18 27.9          15.1 V      A77
    CK21A040  C2021 02 15.75983 05 42 33.45 +49 17 50.4          15.0 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-25 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details18x20s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Feb 15 20h32m31s
Observation modification date2021 Feb 15 21h16m48s

(Record n° 22966)

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