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3I/ATLAS


NASA/JPL elements
IAU/MPC elements


On 2025 Nov 11 05h24 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)8.6
Aperture radius used for m12.2 '
Nuclear magnitude (m2)11.7
m2 standard deviation0.1
Aperture radius used for m25.95 "
Afrho3052 cm
Afrho error95 cm
r (dist/Sun) 1.431 AU
d (dist/Earth) 2.161 AU
Right ascension13 00 32.68 h m s
Declination-04 37 12.0 ° ' "
MPC report
COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CMO
NUM 10
ACK MPCReport file updated 2025.11.11 07:58:00
NET APASS
AC2 fkugel@free.fr
0003I        KB2025 11 11.22513 13 00 32.68 -04 37 12.0          11.7 R      A77
0003I        KB2025 11 11.22650 13 00 32.49 -04 37 10.9          11.6 R      A77
0003I        KB2025 11 11.22787 13 00 32.28 -04 37 09.8           8.6 T      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraIMX492
SensorCMOS
Sensor temperature-20 °C
Binning2x2
MountMeade MCMT-TDM
Exposure details15x20s
Observatory MPC codeA77
Reference stars catalogAPASS
Resulting picture sampling (scale)0.85 "/pix
Observation submission date2025 Nov 11 07h59m42s
Observation modification date2025 Nov 11 18h20m25s

(Record n° 30340)

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