images

NGC 6888 The Crescent Nebula

by

K.A. Lecky Hepburn/Novapix

Reference

a-neb68-88013

Date

2015-03-17

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,