By Victor Rogus | 2025-12-04
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Solar Activity
On 12/04/2025 10:15 am by Jim Militello | Tucson, Arizona USA
Hydrogen-alpha image of the Sun showing active regions 4294, 4296, & 4298.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 20 video frames processed with Autostakkert, Registax, Photoshop.
