Sun
The Sun in White Light: July 2026
A full-disk white-light mosaic of the Sun, with sunspot groups scattered across the photosphere.
Filaments and an Active Region: April 2026
A monochrome H-alpha mosaic with a winding filament, a sunspot and bright plage.
Twisted Fibrils Around a Spot Group
A monochrome H-alpha view of a sunspot group surrounded by bright plage and twisting fibrils.
Sunspot, Plage and Fibrils in H-alpha
A monochrome H-alpha mosaic of a sunspot with surrounding bright plage and a dense web of fibrils.
Prominence over the Limb: May 2025
A colored H-alpha time-lapse of a prominence rising over the limb, with the chromosphere's granular texture below.
A Serpentine Filament in H-alpha
A colored H-alpha view of a long, S-shaped filament curving across the chromosphere near the limb.
Limb Prominence and Chromospheric Texture
An H-alpha view of the limb, with prominence material above the chromosphere's fine granular texture.
A Spotted Solar Disk in White Light
A full-disk white-light mosaic with long chains of sunspots crossing the disk.
A Prominence Arch with Earth for Scale
A large looping prominence over the limb with distance rings and a to-scale Earth for comparison.
A Sunspot Complex in White Light
A large sunspot with a wide penumbra and smaller companion spots, set in granulated photosphere.
H-alpha Limb Panorama
A wide H-alpha panorama along the solar limb with active regions, plage and filaments.
AR3697 in Motion
An H-alpha time-lapse of active region AR3697, with bright plage, a sunspot group and a long dark filament.
Active Region in H-alpha: May 2024
A colored H-alpha mosaic of a sunspot-rich active region with bright plage and swirling fibrils.
ISS Transit Across the Sun
The International Space Station crossing the solar disk, shown as a sequence of frames in a single composite.
A Prominence Drifting off the Limb
A time-lapse in H-alpha of a wispy prominence standing off the solar limb.