By William Mathe | 2024-04-04
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On 04/04/2024 11:00 am by Jim Militello| Tucson, Arizona USA
The image is a closeup of active region 3628 with a huge sunspot.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 250 video frames. I used Autostakkert, Registax Wavelets, Photoshop.
