Interstellar Comet 3I/ATLAS

Interstellar comet 3I/ATLAS nearing perigee presenting a clearly defined reddish anti-tail and a faint tail, with the bright star 56 Leonis nearby in the field of view
December 16th 2025 23:54 UT – December 17th 2025 01:12 UT
Reference frame mid-exposure time December 17th 00:04:38.6 UT
R:24x60s (1×1)
G:23x60s (1×1)
B:23x60s (1×1)
QHY 600M camera
RC 203mm/1625mm with Riccardi 0.75x Reducer and Flattener
Skywatcher NEQ6 mount
L16 Valenii de munte, Romania