WIYN Images: Emission Nebulae

The WIYN Observatory is owned and operated by the WIYN Consortium, Inc., which consists of the University of Wisconsin, Indiana University, Yale University, and the National Optical Astronomy Observatory (NOAO). NOAO is operated for the National Science Foundation by the Association of Universities for Research in Astronomy (AURA), Inc.

The WIYN telescope is one of the best imaging telescopes in the world. Some examples are collected on these pages. If you plan to use any of these images for other than your personal enjoyment please read our conditions of use.

Emission nebulae are glowing clouds of interstellar gas which have been excited by some nearby energy source, usually a very hot star. The red light seen in many of these pictures is from glowing hydrogen.

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Contact: Nigel Sharp, National Optical Astronomy Observatory, 950 N. Cherry Avenue, P.O. Box 26732, Tucson, AZ 85726, Phone: (520) 318-8000, Fax: (520) 318-8360, email: images@noao.edu