This image was taken from my deck in Abbotsford in August 4 & 7, 2013. It consists of 27 10-minute images registered and combined in CCDStack and processed in Photoshop CS5.
The Bubble Nebula is in Cassiopeia 11,000 light years away. It is a planetary nebula visible as a large shell around a central star. The bubble is about 10 light years across and was created by fierce stellar winds from the hot, massive central star, which has blasted out the structure of glowing gas.
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