Hydrogen-Alpha Sun in Full Disk Glory, July 4 2026
Saturday, July 4th, 2026 at 5:44:13 PM · 2026/Astrophotography
This exceptional hydrogen-alpha full-disk solar image was captured on July 4, 2026, using a Lunt LS60THa dedicated solar telescope paired with a ZWO ASI585MM monochrome camera on an EQ-G mount. The image reveals the intricate texture of the solar chromosphere, including fine filamentary structures, chromospheric granulation, and active region complexes near the upper portion of the disk. Multiple solar prominences are visible erupting beyond the limb, particularly along the left and upper edges, glowing in warm golden-amber hues characteristic of H-alpha narrowband imaging. The image was produced using a lucky-imaging true-HDR fusion technique (rim v5) with 4x drizzle processing, yielding exceptional dynamic range from the bright disk center through to the delicate rim prominences. The overall composition presents a perfectly centered solar disk against a deep black background, showcasing both the broad chromospheric detail and fine-scale solar activity simultaneously.
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