3I/Atlas : the interstellar visitor

by Julien De Winter

Objects in field: NGC 4202, 13 Vir, 15 eta Vir, 15 Vir), The star 13 Vir, The star Zaniah (η Vir, Zaniah

Equipment: Askar FRA600, ZWO ASI2600MM Pro

Integration: 52m

3I/ATLAS — The Interstellar Visitor (as of 25 November 2025) The interstellar comet 3I/ATLAS remains one of the most remarkable celestial visitors ever observed — only the third confirmed object from outside our Solar System. As of today, 25 November 2025, 3I/ATLAS is still on its hyperbolic path out of the Solar System. According to NASA and ESA data, its closest approach to Earth will occur on…