NGC 6888 Crescent Nebula, James Hillenbrand

NGC 6888 Crescent Nebula

NGC 6888 Crescent Nebula, James Hillenbrand

NGC 6888 Crescent Nebula

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Description

The Crescent Nebula also called Caldwell 27, SH2-105 is found in the constellation Cygnus. It is formed from the stellar wind of Wolf-Rayet 136 colliding with the gas shell it released when WR136 was in the red giant phase. Intense UV light from WR136 is ionizing the gas shell allowing it to be imaged in the hydrogen-alpha and OIII wavelengths.

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NGC 6888 Crescent Nebula, James Hillenbrand