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Picture of the Day
A southern SWAN
Gerald Rhemann, taken from Farm Tivoli, Namibia
Comet C/2025 R2 SWAN was discovered Sept. 11 by by Ukrainian amateur astronomer Vladimir Bezugly in imagery taken by NASA’s SOHO spacecraft. Best positioned for observers in the Southern Hemisphere, the comet is currently hovering at around magnitude 7, just shy of naked-eye visibility. This astrophotographer captured the comet and its tail on Sept. 16 with a 12-inch f/3.6 scope and 28 minutes of LRGB exposure.

September 2025
- Five modern revolutions in planetary science
- A beginner’s guide to remote imaging
- Simple long-term imaging projects
- Why you can’t trust your eyes