By Ross Stone | 2025-01-26
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Solar Activity
On 01/30/2025 11:30 am by Jim Militello | Tucson, Arizona USA
This hydrogen alpha image of the Sun is showing active regions, filaments, and prominence.
Coronado SolarMAX 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 40 video frames processed with Autostakkert, Registax, Photoshop.
