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3I/ATLAS


NASA/JPL elements
IAU/MPC elements


On 2025 Jul 21 22h22 UT by Philippe Dupouy


(Copyright Philippe Dupouy)

Nuclear magnitude (m2)17
m2 standard deviation0.1
Aperture radius used for m26 "
r (dist/Sun) 3.852 AU
d (dist/Earth) 2.998 AU
Right ascension17 18 37.97 h m s
Declination-18 06 57.9 ° ' "
MPC report
COD 958
CON P. Dupouy
OBS P. Dupouy
MEA P. Dupouy
TEL 0.20-m f/5 reflector + CCD
ACK MPCReport file updated 2025.07.22 00:47:11
NET Gaia EDR3
AC2 obsdax@orange.fr
     0003I   KC2025 07 21.93226 17 18 37.97 -18 06 57.9          17.1 G      958
     0003I   KC2025 07 21.95637 17 18 34.17 -18 06 52.3          17.1 G      958
     0003I   KC2025 07 21.98036 17 18 30.35 -18 06 47.0          16.9 G      958
InstrumentT200
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1000 mm
Instrument focale/diameter5
Filter(s)None
CameraAtik 460ex
SensorCCD
Sensor temperature-10 °C
Binning2x2
MountUnitron
MotorizationYes
AutoguideYes
Exposure details77x15s
Observatory MPC code958
LocationDAX
Reference stars catalogGaia EDR3
Used softwaresTycho
Resulting picture sampling (scale)1.87 "/pix
Observation submission date2025 Jul 22 03h03m47s
Observation modification date2025 Jul 22 03h09m44s

(Record n° 29820)

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