3I/ATLAS (Record n° 30048)
NASA/JPL elements
IAU/MPC elements
On 2025 Sep 18 18h40 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 12.8 Nuclear magnitude (m2) 14.6 m2 standard deviation 0.5 Aperture radius used for m2 5.8 " Coma diameter 1 ' Tail length 0.005 ° Tail position angle
(PA) 92 ° Afrho 896 cm r (dist/Sun) 2.029 AU d (dist/Earth) 2.536 AU Right ascension 14 49 52.52 h m s Declination -12 22 45.4 ° ' " MPC report COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CCD
NUM 45
ACK MPCReport file updated 2025.09.19 08:41:21
NET APASS
AC2 fkugel@free.fr
0003I KC2025 09 18.77791 14 49 52.52 -12 22 45.4 15.2 R A77
0003I KC2025 09 18.78262 14 49 51.89 -12 22 43.8 14.5 R A77
0003I KC2025 09 18.78731 14 49 51.24 -12 22 43.9 14.1 R A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Sensor temperature -13 °C Binning 1x1 Mount Meade MCMT-TDM Exposure details 45x20s Observatory MPC code A77 Reference stars catalog APASS
Resulting picture sampling (scale) 0.83 "/pix Remarks or comments 2025N1 2025 09 18.78 sk 12.8 AR 40.0L 3a900 1.0 0.3m 92 ICQ XX KUG I C 0.99mAT6 IC6 TYT 0 U9*0.20 14.4 0.8s 0.8 Comment: Comet Alt. 10.0 Observation submission date 2025 Sep 19 08h42m31s Observation modification date 2025 Sep 19 09h20m27s