By Marijan Živković | 2026-06-28
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Solar Activity
On 06/28/2026 10:50 am by Jim Militello | Tucson, Arizona USA
Hydrogen-alpha image of the Sun with sunspots, active regions, filaments, prominence.
Coronado MaxScope 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 30 video frames processed with Autostakkert, Registax, Photoshop.
