Tuesday, November 4, 2008
The Tulip Nebula
Last image for my Cygnus project is the Tulip nebula.
Image is a narrowband color image in different versions.
There is three version of this image here, first image is Hubble palette composition. S-II =RED, H-alpha = GREEN and O-III = BLUE
Second version is a "natural" color composition from narrowband channels, H-alpha 100% + 35%S-II = RED, O-III = GREEN and O-III 100% + 30%H-alpha = BLUE.
The third version is with suopressed stars to show the complex shapes of the nebula.
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Imaging data:
Camera, QHY8 - Filters, Baader 7nm H-alpha, Baader 8,5nm O-III and Baader 8nm S-II - Optics, Tokina AT-X 300mm @ f2.8 -
Exposures, 7X 1200s H-alpha, 1 X 1200 O-III and 1X1200s S-II + flats and bias -
Guiding, LX200 GPS 12" + PHD-guiding and Lodestar
This image is a starless BW version.
It shows a three dimensional nature of this object very well, I think.
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