NGC7635
Bubble Nebula

Photo credit: Daniel S. Perry
Other names & objects: Sh2-162 (Bubble), NGC7638 (upper left), LBN 543 (upper center), LBN 547 (large, diffuse nebula in bottom left quadrant)
Optics: Takahashi FSQ-106EDXIII at f/5
Mount: Astro-Physics Mach1 GTO-CP3
Camera: SBIG ST-10XME
Exposure: 270 minutes [ 18 x 15 minutes ] at -15° C
Accessories: Astrodon 6nm hydrogen alpha filter
Location: Ontario, CA
Date August 30 and 31, 2011
Notes: Processing: Data acquisition with MaxImDL v5. Calibrate, align, and combine in ImagesPlus 3.25. Levels, curves, noise smoothing (Noel Carboni's PS Tools), sharpening, crop, and resize in Photoshop.

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