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> NGC 6888 The Crescent Nebula

NGC 6888 The Crescent Nebula

author: K.A. Lecky Hepburn/Novapix

reference: a-neb68-88013

Image Size 300 DPI: 23 * 18 cm

The nebula is a shell of gas that is being energized by the strong stellar wind from the Wolf-Rayet star WR 136, the bright star at the center of the nebula. It is located in the constellation of Cygnus, the Swan. Wolf-Rayet stars are very hot, massive stars that are blowing off their outer layers. Narrowband false color composite H-alpha, OIII, SII,

Keywords for this photo:

2013 - ASTRONOMY - CYGNUS - EMISSION NEBULA - EVOLUTION - FALSE COLOR - MASSIVE STAR - NEBULA - NGC 6888 - SII-Ha-OIII - STAR - WOLF-RAYET - WR 136 -