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C/2021 G2 (ATLAS)


NASA/JPL elements
IAU/MPC elements


On 2025 May 17 21h45 UT by Nicolas Delaunoy


(Copyright Nicolas Delaunoy)

Nuclear magnitude (m2)15.2
Aperture radius used for m26.0 "
r (dist/Sun) 5.338 AU
d (dist/Earth) 4.351 AU
Right ascension15 16 57.26 h m s
Declination-05 35 25.3 ° ' "
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 time933 s
Exposure details235x3.97s
Sky transparency (naked eye max mag)3.5
Seeing4
Moon phase59 °
Moon elongation69 °
Observatory MPC codeXXX
LocationYerres, 91330, France
Reference stars catalogUCAC-4
Used softwaresTycho tracker (master darks avec Siril)
Resulting picture sampling (scale)1.33 "/pix
Observation submission date2025 May 18 18h49m15s

(Record n° 29705)

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