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Gerhard Bachmayer | all galleries >> AstroPhotos >> Astrophotos 2003 - 2007 > North America Nebula ( NGC7000) + Pelican Nebula ( IC5070/IC5067) in Cygnus
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North America Nebula ( NGC7000) + Pelican Nebula ( IC5070/IC5067) in Cygnus
15-OCT-2005

North America Nebula ( NGC7000) + Pelican Nebula ( IC5070/IC5067) in Cygnus

This version of the nebulae has been created from images taken through three different narrowband filters, which have been assigned to the three colors red, green and blue.
Red = ionized sulfur emission lines ( 671.9nm and 673.0nm)
Green = hydrogen alpha emission line ( 656.3nm)
Blue = double ionized oxygen emission lines ( 495.9nm and 500.7nm)

Canon EOS 20D
Modified Canon 20D mounted on a TMB 80mm/F6 + Televue 0.8x reducer/flattener. Halpha-filter: 12x600sec/ISO800. OIII-filter: 18x600sec. SII-filter: 12x900sec. Calibration and stacking, averaging, color balancing, sharpening in Images Plus and Photoshop CS2. full exif

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Vipin Mayer24-Mar-2006 00:27
amazing shot, , really wonderful.
Robert Stuart Davies24-Dec-2005 18:18
Just as Tiffany says - and then some....
Beautiful & fascinating.
regards Rob
Guest 26-Oct-2005 01:05
this is wonderful.