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3I/ATLAS


NASA/JPL elements
IAU/MPC elements


On 2025 Nov 18 05h11 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)11.8
m2 standard deviation0.1
Aperture radius used for m26.2 "
r (dist/Sun) 1.532 AU
d (dist/Earth) 2.071 AU
Right ascension12 42 07.35 h m s
Declination-03 04 07.3 ° ' "
MPC report
COD C10
CON J.-F. Soulier
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/4 reflector + CCD
NUM 5
ACK MPCReport file updated 2025.11.18 09:42:02
NET ATLAS2
AC2 jean-francois.soulier2@wanadoo.fr
0003I        KC2025 11 18.21617 12 42 07.35 -03 04 07.3          11.9 R      C10
0003I        KC2025 11 18.22003 12 42 06.70 -03 04 04.0          11.9 R      C10
0003I        KC2025 11 18.22367 12 42 06.09 -03 04 00.9          11.8 R      C10
0003I        KC2025 11 18.22713 12 42 05.50 -03 03 57.9          11.8 R      C10
0003I        KC2025 11 18.23059 12 42 04.92 -03 03 55.0          11.8 R      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length1200 mm
Instrument focale/diameter4
Filter(s)None
CameraST8 XME
SensorCCD
Sensor temperature-25 °C
Binning1x1
MountF60a Axis Instruments
AutoguideNo
Exposure details42 x 30s
Observatory MPC codeC10
LocationSeine et Marne
Reference stars catalogATLAS2
Used softwaresTycho
Resulting picture sampling (scale)1.55 "/pix
Remarks or commentsEchant. SETUP
Observation submission date2025 Nov 18 10h46m08s
Observation modification date2025 Nov 18 11h40m27s

(Record n° 30387)

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