By Judy Boyle | 2025-06-26
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Solar Activity
On 06/27/2025 09:54 am by Jim Militello | Tucson, Arizona USA
Hydrogen alpha image of the Sun showing some beautiful prominence, active regions with sunspots, and filaments.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 50 video frames processed with Autostakkert, Registax, Photoshop.
