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2026 Charles Lillo 2026 Charles Lillo

Orion’s Lesser-Known Nebulae in a Single Wide Field

This expansive field in Orion reveals a remarkably dense mix of nebular structures that often sit in the shadow of their more famous neighbors. Dominated by the glowing region around NGC 1990, the scene includes emission and reflection nebulae cataloged as IC 431 and IC 432, the Sharpless object Sh2-277, and several van den Bergh reflection nebulae including VdB 48, 51, and 52. Their soft blues and reds trace the interaction between energetic young stars and the surrounding interstellar medium, where ultraviolet radiation excites hydrogen gas and illuminates nearby dust.

Interwoven through this luminous backdrop is a complex network of Lynds Bright and Dark Nebulae, including LBN 921, 924, 927, 928, 944, 946, 950, 953, 958, 962, 965, and 967, along with dark clouds such as LDN 1614, 1620, 1635, and 1636. These opaque dust lanes carve intricate silhouettes against the glowing gas, marking regions where future stars may eventually form. Captured from Starfront Observatories in Texas, this image highlights the extraordinary depth and diversity of Orion’s lesser-known nebular landscape, where star formation, illumination, and obscuration coexist within a single rich field.

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