Equipment and other photo info:
Picture taken on September second and third, 2007. Location: Kapela, Bjelovar, Croatia, Europe Celestron C10-N @ f/4.7, Canon EOS 300D 16x480sec @ ISO800 Guiding with Maksutov 90/1250 + QHY5 guiding camera (PHD Guiding) Mount: EQ6 Vis upgreded to EQ6 SynScan
Processing software: DeepSkyStacker, PixInsight 1.0, Photoshop CS3
What created this huge space bubble? A massive star that is not only bright and blue, but also emitting a fast stellar wind of ionized gas. The Bubble Nebula is actually the smallest of three bubbles surrounding massive star BD+602522, and part of gigantic bubble network S162 created with the help of other massive stars.
More information about this object at: