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C/2021 G2 (ATLAS)


NASA/JPL elements
IAU/MPC elements


On 2025 Jun 22 21h26 UT by Nicolas Delaunoy


(Copyright Nicolas Delaunoy)

Nuclear magnitude (m2)15.4
Aperture radius used for m26.0 "
r (dist/Sun) 5.441 AU
d (dist/Earth) 4.704 AU
Right ascension15 05 51.03 h m s
Declination-02 07 09.3 ° ' "
Instrumental configurationConfig1
InstrumentUNISTELLAR eQuinox2
Instrument typeNewton
Instrument aperture (0=naked eye)115 mm
Instrument focale length450 mm
Instrument focale/diameter3.91
Filter(s)L
CameraIMX347
SensorCMOS
Sensor size7.1x5.3 mm2
Sensor pixels number2088x1536
Binning1x1
MountALT-AZ
MotorizationYes
AutoguideNo
Exposure total time1196 s
Exposure details299x4s
Sky transparency (naked eye max mag)3
Seeing3
Moon phase142 °
Moon elongation158 °
LocationYerres, 91330, France
Reference stars catalogUCAC-4
Used softwaresTycho tracker (master darks avec Siril)
Resulting picture sampling (scale)1.32 "/pix
Remarks or commentsUn voile nuageux (nuages élevés).
Observation submission date2025 Jun 23 15h02m51s

(Record n° 29724)

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