By Nina Gorenstein | 2024-02-29
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On 02/29/2024 11:30 am by Jim Militello | Tucson, Arizona USA
The image shows the last we'll see of active region 3590. There are a few other active regions with sunspots, some filaments and prominence.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI178mm video camera.
The image is a composite made from 5 images each a stack of 400 video frames. I used Autostakkert, Registax Wavelets, Photoshop.
