NGC 7635 - the Bubble Nebula is a ghostly emission nebula in the constellation Cassiopeia. It is approximately 10,000 light years away from us.

Details:-
Date: 2009.07.26Location: Victoria Centre Observatory, Observatory Hill, Victoria, BC, Canada.
Conditions: Clear with quarter moon and 22 degC.
Equipment: QSI 583c CCD imager prime focus on a Meade 14" SCT operating at f/10 mounted on a Paramount ME, autoguided by an Orion StarShoot Guider and PHD guiding softwareImage
Acqusition: CCDSoft - both light and dark frames, & camera control
Exposures: 6 x 10 minutes light frames, 4 x 10 minutes dark frames, and 5 bias frames all cooled to -5°C.
Processing: Images Plus and Photoshop