Image of the Bubble Nebula (NGC 7635) taken by Robert J. Vanderbei (<a rel="nofollow" class="external free" href="http://www.princeton.edu/~rvdb/images/NJP/ngc7635.html">http://www.princeton.edu/~rvdb/images/NJP/ngc7635.html</a>).
Original uploader was <a href="https://en.wikipedia.org/wiki/User:Vanderbei" class="extiw" title="en:User:Vanderbei">Vanderbei</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>
CC BY 2.5
Transferred from <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>