Top Astronomy Events for October 2025

2-1 Ceres at opposition
3-Comet 3I ATLAS passes 0.2 AU from Mars
7-Full Harvest Moon
10-Moon occults M45
13-Moon occults Regulus
17-Moon occults Spica
19-Comet R2 SWAN passes 0.26 AU from Earth
20-New Moon
21-Orionid meteors peak (ZHR~20)
21-Moon occults Antares
21-Uranus at opposition
24-Most distant lunar apogee of the year
29-Comet 3I ATLAS at perihelion
29-Mercury at greatest eastern (dusk) elongation

https://www.universetoday.com/articles/top-astronomy-events-for-2025