Soap Bubble Planetary Nebula and Crescent Nebula

This enlargement of the Crescent Nebula image allows us to see the Soap Bubble Nebula (PN G75.5+1.7), (left-center of picture). A planetary nebula is formed when a star’s outer shell of gas is shed into space as the core collapses into a white dwarf. The planetary was discovered on July 6, 2008 by amateur astronomer Dave Jurasevich.

Hubble Palette, 5 nm Narrowband filters, S-II (Red Channel): H-alpha (Green Channel): O-III (Blue Channel) - 30: 55: 40 minutes, 5 minute subframe, binned 1x1, Total= 125 minutes, Adobe Photoshop blue enhancement to highlight the nebula, Takahashi Epsilon-180, SBIG STL-6303E CCD camera, ATMoB Clubhouse, Westford, MA, 13 August 2010