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3I/ATLAS

Perihelion distance : 1.36 AU
Inclination to ecliptic : 175 °
Eccentricity : 6.14

NASA/JPL elements
IAU/MPC elements


On 2025 Aug 21 20h49 UT by Nicolas Delaunoy


(Copyright Nicolas Delaunoy)

Magnitude (MPC m2)16.2
Aperture radius for m26.1 "
r (dist/Sun) 2.853 AU
d (dist/Earth) 2.622 AU
Right ascension238.75429 °
Declination-15.61019 °
Instrumental configurationConfig1
InstrumentUNISTELLAR eQuinox2
Instrument typeNewton
Instrument aperture (0=naked eye)115 mm
Instrument focale length450 mm
FilterNone
CameraIMX347
SensorCMOS
Sensor size7.1x5.3 mm2
Sensor pixels number2088x1536
Binning1x1
MountALT-AZ
MotorizationYes
AutoguideNo
Exposure total time1076 s
Exposure details269*4s
Sky transparency (naked eye max mag)3.5
Seeing3
Moon phase162 °
Moon elongation108 °
LocationYerres, 91330, France
Reference stars catalog (ast)UCAC-4
Used softwaresTycho tracker (master darks avec Siril)
Resulting picture sampling (scale)1.33 "/pix
Remarks or commentsPas évidente cette comète pour moi, basse et avec la pollution lumineuse ambiante.
Observation submission date2025 Aug 22 19h39m41s

(Record n° 29943)

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