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NGC7635

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NGC7635, The Bubble Nebula, is a H II region emission nebula in the constellation Cassiopeia. This nebula is between 7,100 and 11,000 light-years from Earth and has an apparent magnitude of about 10. 29x300sec fits exposures captured in the span of two nights. Captured and combined in Nebulosity v2.4.0 software. Finishing touches done in PhotoShop. Telescope: Orion 8" 1000mm f4.9 Newtonian reflector. Mount: Orion Atlas EQ-G Guide Scope: Meade 800mm f10 reduced to f5 with Atik x.5 focal length reducer (ADM rings). Imaging Camera: Mead DSI Color 16bit camera with Peltier cooler modification. Guide Camera: Meade DSI Pro monochrome 16bit camera. Imaging camera in prime focus. Filtration used: Baader UV/IR Cut filter · Date/Time 2011:10:04 22:23:48 · Resolution 623 x 459