Celestial hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  LBN 704  ·  LBN 705  ·  LBN 706  ·  NGC 1491  ·  Sh2-206
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NGC1491 Fossil Footprint Nebula, George C. Lutch
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NGC1491 Fossil Footprint Nebula

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NGC1491 Fossil Footprint Nebula, George C. Lutch
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NGC1491 Fossil Footprint Nebula

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Description

The bright emission nebula and H II region NGC 1491 (also known as Fossil Footprint Nebula, LBN 704 or Sharpless 206) in the constellation Perseus. The ultraviolet radiation from hot stars like the blue 11.2 mag O star BD +50 886 ionizes the surrounding irregular hydrogen gas cloud, causing it to glow reddish in visible light. The bright nebula is surrounded by the fainter nebulosity LBN 705.NGC 1491 is roughly 10,700 light-years from Earth and was discovered by William Herschel in 1790

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NGC1491 Fossil Footprint Nebula, George C. Lutch