By Judy Boyle | 2025-07-09
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Solar Activity
On 07/10/2025 12:05 pm by Jim Militello | Tucson, Arizona USA
Hydrogen alpha image of the Sun showing active region 4236 with a double sunspot coming into view on the east side with a nice prominence above and a small CME below on the limb.
Coronado SolarMax 90 Ha solar telescope, ZWO ASI183mm video camera.
The image is a stack of 20 video frames processed with Autostakkert, Registax, Photoshop.
