Next Visible Comet 2025. Comet a3 will be visible low in the west after sunset beginning around october 14. Learn about comet c/2024 g3 (atlas), its potential brightness in 2025, and how to observe it.
Japanese comet enthusiast seiichi yoshida has provided a very nice list of visible comets from the northern hemisphere (also for the southern hemisphere) that will be visible between. The h means the highest altitude in that month at lat.