By Brian Martin | 2025-06-29
Order by: Trending (past 30 days)Date
Solar Activity
On 06/29/2025 10:00 am by Jim Militello | Tucson, Arizona USA
Hydrogen alpha image of the Sun with numerous active regions, some interesting prominence, and filaments.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 50 video frames processed with Autostakkert, Registax, Photoshop.
