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3I/ATLAS


NASA/JPL elements
IAU/MPC elements


On 2025 Dec 29 05h19 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)14.5
m2 standard deviation0.1
Aperture radius used for m26.75 "
r (dist/Sun) 2.576 AU
d (dist/Earth) 1.841 AU
Right ascension09 58 21.17 h m s
Declination+10 56 25.5 ° ' "
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 10
ACK MPCReport file updated 2025.12.29 07:41:11
NET ATLAS2
AC2 jean-francois.soulier2@wanadoo.fr
0003I        KC2025 12 29.22138 09 58 21.17 +10 56 25.5          14.5 r      L27
0003I        KC2025 12 29.22476 09 58 20.18 +10 56 30.0          14.5 r      L27
0003I        KC2025 12 29.22815 09 58 19.20 +10 56 34.5          14.6 r      L27
0003I        KC2025 12 29.23153 09 58 18.22 +10 56 38.9          14.5 r      L27
0003I        KC2025 12 29.23491 09 58 17.24 +10 56 43.4          14.4 r      L27
0003I        KC2025 12 29.23830 09 58 16.25 +10 56 47.7          14.5 r      L27
0003I        KC2025 12 29.24168 09 58 15.27 +10 56 52.2          14.5 r      L27
0003I        KC2025 12 29.24506 09 58 14.29 +10 56 56.6          14.5 r      L27
0003I        KC2025 12 29.24845 09 58 13.30 +10 57 01.1          14.5 r      L27
0003I        KC2025 12 29.25183 09 58 12.33 +10 57 05.5          14.6 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 details84 x 30s
Observatory MPC codeL27
LocationDauban
Reference stars catalogATLAS2
Used softwaresTycho
Resulting picture sampling (scale)1.5 "/pix
Observation submission date2025 Dec 29 08h23m02s
Observation modification date2025 Dec 29 08h50m54s

(Record n° 30744)

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