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3I/ATLAS


NASA/JPL elements
IAU/MPC elements


On 2025 Dec 26 05h54 UT by Nicolas Delaunoy


(Copyright Nicolas Delaunoy)

Nuclear magnitude (m2)13.7
Aperture radius used for m26.11 "
r (dist/Sun) 2.486 AU
d (dist/Earth) 1.818 AU
Right ascension10 12 43.49 h m s
Declination+09 49 43.1 ° ' "
Instrumental configurationConfig1
InstrumentUNISTELLAR eQuinox2
Instrument typeNewton
Instrument aperture (0=naked eye)115 mm
Instrument focale length450 mm
Instrument focale/diameter3.91
Filter(s)None
CameraIMX347
SensorCMOS
Sensor size7.1x5.3 mm2
Sensor pixels number2088x1536
Binning1x1
MountALT-AZ
MotorizationYes
AutoguideNo
Exposure total time1312 s
Exposure details328x4s
Sky transparency (naked eye max mag)3.5
Seeing3
Moon phase109 °
Moon elongation163 °
LocationYerres, 91330, France
Reference stars catalogUCAC-4
Used softwaresTycho tracker (master darks avec Siril)
Resulting picture sampling (scale)1.33 "/pix
Observation submission date2025 Dec 27 17h27m12s

(Record n° 30720)

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