By Luis Miguel Fuentes | 2025-09-01
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Solar Activity
On 09/05/2025 09:30 am by Jim Militello | Tucson, Arizona USA
Hydrogen alpha image of the Sun showing active regions with sunspots. Also some nice filaments and prominence.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 20 video frames processed with Autostakkert, Registax, Photoshop.
