Order by: Trending (past 30 days)Date
Community photo entitled Solar Activity by Jim Militello on 05/01/2025 at Tucson, Arizona  USA

Solar Activity

On 05/01/2025 11:10 am by Jim Militello | Tucson, Arizona USA

Hydrogen alpha image of the Sun showing active region 4079 with two huge sunspots. Also some nice 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.