A Serpentine Filament in H-alpha
“A colored H-alpha view of a long, S-shaped filament curving across the chromosphere near the limb.”
A long, S-shaped filament curves across the chromosphere near the limb. Filaments are prominences seen against the disk, dense ribbons of gas held up by magnetic fields.
Captured as video panels, each stacked in AutoStakkert!3, sharpened in ImPPG and stitched into a mosaic.
Total Exposure
Mosaic of video captures
Integration
| Filter | Subs |
|---|---|
| H-alpha | multiple videos (stitched mosaic) |
Locations
San Giuliano Milanese, Lombardy, Italy
Bortle Class 7 • 2025-05-01