Interstellar Comet 3I/ATLAS on December 20, 2025

by George Konkov

Equipment: SVBony SV550 122mm Triplet APO, ToupTek ATR3 CMOS 26000 KMA

Integration: 1h 36m

Captured on December 20, 2025, just one day after its closest approach to Earth (~1.8 AU), this image shows the third confirmed interstellar object, Comet 3I/ATLAS. Discovered by the ATLAS survey in July 2025, this hyperbolic-trajectoried comet originated from outside our solar system, possibly from the Milky Way's ancient thick disk. Despite its distance, the comet displays a bright central…