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C/2021 A4 (NEOWISE)

Orbital period : 281.90 years

NASA/JPL elements
IAU/MPC elements


On 2021 Mar 10 20h03 UT by Jean-Paul Desgrees


(Copyright Jean-Paul Desgrees)

Nuclear magnitude (m2)15.1
m2 standard deviation0.0
Aperture radius used for m27 "
r (dist/Sun) 1.157 AU
d (dist/Earth) 0.896 AU
Right ascension04 19 30.56 h m s
Declination+04 19 21.0 ° ' "
MPC report
COD XXX
COM Long. 6 22 25.7 W, Lat. 38 07 32.2 N, Alt. 495m
CON J. P. Desgrees [jpaul-astro28@sfr.fr]
OBS J. P. Desgrees
MEA J. P. Desgrees
TEL 0.12-m f/7.0 refractor + CCD
ACK MPCReport file updated 2021.03.12 17:15:35
AC2 jpaul-astro28@sfr.fr
NET UCAC-4
    CK21A040  C2021 03 10.83513 04 19 30.56 +04 19 21.0          15.15V      XXX
    CK21A040  C2021 03 10.83727 04 19 30.48 +04 19 14.4          15.16V      XXX
    CK21A040  C2021 03 10.85668 04 19 29.50 +04 18 14.4          15.19V      XXX
    CK21A040  C2021 03 10.85881 04 19 29.40 +04 18 07.7          15.19V      XXX
Instrumental configurationConfig1
InstrumentTakahashi TSA120
Instrument typeRefractor
Instrument aperture (0=naked eye)120 mm
Instrument focale length840 mm
Instrument focale/diameter7.0
Filter(s)L
CameraQHY 163M
SensorCCD
Sensor size17.7x13.4 mm2
Sensor pixels number4579x3500
Sensor temperature-20 °C
Binning2x2
MountAZ-EQ6
MotorizationNo
AutoguideYes
Exposure total time180 s
Exposure details4x3mn
Observatory MPC codeXXX
LocationFREGENAL DE LA SIERRA ESPAGNE
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Image resize factor0.9
Resulting picture sampling (scale)0.9 "/pix
Observation submission date2021 Mar 12 17h44m50s
Observation modification date2021 Mar 12 17h46m29s

(Record n° 23051)

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