By David Cox | 2025-09-01
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Solar Activity
On 09/02/2025 11:02 am by Jim Militello | Tucson, Arizona USA
Hydrogen alpha image of the Sun showing numerous sunspots and active regions along with some nice filaments.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 20 video frames processed with Autostakkert, Registax, Photoshop.
