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C/2021 A4 (NEOWISE)

Orbital period : 281.90 years

NASA/JPL elements
IAU/MPC elements


On 2021 Mar 07 18h57 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)14.6
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 1.164 AU
d (dist/Earth) 0.821 AU
Right ascension04 22 17.52 h m s
Declination+07 11 04.0 ° ' "
MPC report
COD A77
CON J.-G. Bosch [JGBosch@free.fr] 
OBS F. Kugel,  J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.03.08 14:22:21
AC2 JGBosch@free.fr
NET UCAC-4
    CK21A040  C2021 03 07.78933 04 22 17.52 +07 11 04.0          14.7 R      A77
    CK21A040  C2021 03 07.79722 04 22 16.99 +07 10 34.4          14.5 R      A77
InstrumentNEWTON
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik 460ex
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details18x30s
Observatory MPC codeA77
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Mar 08 14h31m49s
Observation modification date2021 Mar 08 14h39m45s

(Record n° 23033)

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