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Community photo entitled Solar Activity by Jim Militello on 02/06/2026 at Tucson, Arizona  USA

Solar Activity

On 02/06/2026 11:40 am by Jim Militello | Tucson, Arizona USA

Hydrogen-alpha image of the Sun showing active region 4366 with a huge sunspot.

Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.

The image is a stack of 30 video frames processed with Autostakkert, Registax, Photoshop.