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North America and Pelican Nebula: This area in the summer constellation of Cygnus, next to the bright star Deneb (center up left), is one of the largest emission and star generating nebula regions we know.  The resemblance with the North American continent and a Pelican is really striking.The image was composed from frames taken with three different narrow band filters letting pass only the H-alpha line of hydrogen, the [OIII] line of oxygen and the [SII] line uf sulfur. The composition was done using the socalled Hubbel palette for arranging the colors.

The wide field image shows the full extent of the two nebular regions reaching out much further than usually displayed in photographs.

Have a look at the Hi-Res version for a closer inspection of the intricate structures of this cosmic highlight.



Object North America and Pelican Nebula Widefield
Category Emission Line Images
Designation NGC 7000, IC 5070
Constellation Cygnus
Optics Canon EF lens 200mm 1:2.8 @ f/3.5
Mount Takahashi EM-11
Camera SBIG STL 11000M with internal CFW 5
Exposure 7 x 20min H-alpha, 6 x 20min [OIII], 6 x 20min [SII] Baader filterset. Maxim DL for image acquisition
Calibration Dark + Flat Frame
Guiding Meade DSI Pro II and Skywatcher ED80 as Guide Scope, Maxim DL as guiding software
Processing Maxim DL5,Photoshop. Color Code R:[SII], G:H-alpha, B:[OIII]
Location-Date Eningen, Germany - 23 May + 13,14 July 2010
 
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