By Tameem Altameemi | 2025-07-25
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Solar Activity
On 07/27/2025 10:28 am by Jim Militello | Tucson, Arizona USA
Hydrogen alpha image of the Sun with lots of activity today.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 20 frames from a 15 second video processed with Autostakkert, Registax, Photoshop.
