By Steven Bellavia | 2025-02-07
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Solar Activity
On 02/07/2025 01:34 pm by Jim Militello | Tucson, Arizona USA
Hydrogen alpha image of the Sun showing sunspots, active regions, and filaments.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 40 video frames processed with Autostakkert, Registax, photoshop.
