Twisted Fibrils Around a Spot Group
“A monochrome H-alpha view of a sunspot group surrounded by bright plage and twisting fibrils.”
Dark sunspots and bright plage are wrapped in swirling fibrils, a close look at the magnetic structure of an active region in the chromosphere.
Captured as video, stacked in AutoStakkert!3 and sharpened in ImPPG.
Total Exposure
Single video capture
Integration
| Filter | Subs |
|---|---|
| H-alpha | 1 video (single capture) |
Locations
San Giuliano Milanese, Lombardy, Italy
Bortle Class 7 • 2025-12-08