AAPOD2 Image Archives

2025 Charles Lillo 2025 Charles Lillo

The Lacerta and the Gecko Nebulae

Sweeping across the constellation Lacerta, this delicate complex of hydrogen emission and faint dust is part of the Sh2-126 region, a large and diffuse nebula illuminated by the ultraviolet radiation of nearby hot stars. The deep red glow is produced by ionized hydrogen, while the pale filaments and soft blue-gray textures trace cooler interstellar dust drifting through the field. These overlapping structures create an intricate tapestry that hints at the slow turbulence shaping the outer layers of our local spiral arm.

Captured from Arcadia, Indiana, this wide field reveals subtle transitions between bright emission, translucent dust, and nearly invisible molecular wisps that are difficult to register under typical midwestern skies. The shapes that resemble a leaping lizard and a curling gecko emerge naturally from the interplay of ionized gas and reflective dust, showing how sculpted and dynamic even faint regions of the Milky Way can be when given enough exposure time and careful processing.

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