NGC 2359 Thor's Helmet Nebula in Narrowband
Wednesday, March 18th, 2026 at 4:03:00 PM · 2026/Astrophotography
This deep-sky astrophotography image showcases NGC 2359, the Thor's Helmet Nebula, rendered in a narrowband palette composite. The nebula displays a dramatic morphology with bright blue emission regions contrasting against deep red hydrogen-alpha clouds, creating the distinctive helmet-like shape. The intricate structure is formed by stellar winds from a Wolf-Rayet star at its center, carving cavities through surrounding gas clouds. The narrowband imaging technique reveals fine details and filamentary structures invisible to the naked eye, set against a rich star field.
Chronologically Adjacent
