By Joel Weatherly | 2025-07-01
Order by: Trending (past 30 days)Date
Solar Activity
On 07/01/2025 11:31 am by Jim Militello | Tucson, Arizona USA
Hydrogen alpha image of the Sun showing active regions, nice prominence, and filaments.
Coronado SolarMax90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 50 video frames processed with Autostakkert, Registax, Photoshop.
