Solar Chromosphere in Hydrogen-Alpha Light
Saturday, July 25th, 2026 at 10:00:00 PM · 2026/Astrophotography
This exceptional hydrogen-alpha image of the Sun reveals the dynamic chromosphere in extraordinary detail, captured at 656.3nm wavelength using a Lunt LS60THa double-stacked 60mm f/8.3 telescope and ZWO ASI585MM monochrome camera on a Sky-Watcher EQ6 tracking mount. The solar disk displays a rich tapestry of filaments — dark, elongated plasma structures threading across the chromosphere — along with several small sunspot groups visible as dark punctures on the disk. Along the solar limb, multiple prominences and active region structures erupt dramatically against the black of space, glowing in characteristic red-orange hydrogen emission. The image was produced using a multi-exposure HDR ladder combined with lucky-imaging stacking of the sharpest frames with 2x drizzle processing, yielding exceptional sharpness and dynamic range across both the bright disk and delicate limb prominences. The golden-amber false-color palette is a classic rendering of H-alpha solar imagery, highlighting the extraordinary surface detail and magnetic complexity of an active Sun.
Chronologically Adjacent
