The Soap Bubble Nebula, open cluster IC 4996, and the Crescent Nebula (NGC 6888)

Posted by AASTARMAN
on Monday, September 6, 2010

by Robert Vohlidka

     Canon 40D Hutech Mod, with Light Pollution Filter, William Optics Flat Field Focal Reducer x0.8.

Through a Orion 80ED f/7.5 piggyback on a LX 200 8" GPS, Guided by a Orion StarShooter Autoguider x0.5 focal reducer...guided by PhD Guiding v.1.1. Flats created wit Flat-Man, flat darks ,darks, and bias subtracted from lights. Processed with ImagePlus 3.75V and PS CS5.

The image shows Star Cyg34, Open Star Cluster ic4996, Soap Bubble Nebula, and Crescent Nebula NGC6888 and a lot of star and hydrogen gas.

Exposures at iso 1600 1x5min, 20x6min =2hrs and 5mins.

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