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3I/ATLAS


NASA/JPL elements
IAU/MPC elements


On 2025 Dec 08 05h31 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)13.5
m2 standard deviation0.1
Aperture radius used for m26.75 "
r (dist/Sun) 1.976 AU
d (dist/Earth) 1.845 AU
Right ascension11 34 19.76 h m s
Declination+02 54 02.8 ° ' "
MPC report
COD L27
CON J.-F. Soulier
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 reflector + CCD
NUM 6
ACK MPCReport file updated 2025.12.08 06:57:53
NET ATLAS2
AC2 jean-francois.soulier2@wanadoo.fr
0003I        KC2025 12 08.22963 11 34 19.76 +02 54 02.8          13.6 r      L27
0003I        KC2025 12 08.23160 11 34 19.28 +02 54 05.4          13.5 r      L27
0003I        KC2025 12 08.23357 11 34 18.80 +02 54 07.9          13.5 r      L27
0003I        KC2025 12 08.23553 11 34 18.32 +02 54 10.5          13.5 r      L27
0003I        KC2025 12 08.23750 11 34 17.84 +02 54 13.4          13.6 r      L27
0003I        KC2025 12 08.23947 11 34 17.36 +02 54 15.5          13.4 r      L27
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length875 mm
Instrument focale/diameter3.5
Filter(s)None
CameraATIK 414 EX
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountPARAMOUNT ME
AutoguideNo
Exposure details25 x 30s
Observatory MPC codeL27
LocationDauban
Reference stars catalogATLAS2
Used softwaresTycho
Resulting picture sampling (scale)1.5 "/pix
Observation submission date2025 Dec 08 07h16m14s
Observation modification date2025 Dec 08 07h37m41s

(Record n° 30552)

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