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Blue Horsehead Nebula: There seem to be several horses in the sky: This image of the Reflection Nebula IC 4592 in the constellation of Scorpius definitely also resembles a horse´s head as close as the more famous Horse Head Nebula in Orion. The bright star in the center of the image is Jabbah, a multiple star system, which generates the nebula. The intensive light of the star is reflected by the dense parts of a molecular cloud (brownish spots in the picture) thereby losing the red components in its spectrum.
The second Reflection Nebula around the two stars to the upper right is IC 4601.



Object Blue Horsehead Nebula
Category Nebulae
Designation IC 4592, 4601
Constellation Scorpius
Optics Takahashi FSQ 106 ED f/5 x 0.73 reducer
Mount Astro-Physics 900 GTO
Camera SBIG STL 11000M with internal CFW 5
Exposure 6x10 min each Baader RGB filterset. Maxim DL for image acquisition
Calibration Dark + Flat Frame
Guiding StarlightXpress Lodestar and Skywatcher ED 80 as Guide Scope, Maxim DL as Guiding Software
Processing Maxim DL5, PixInsight, Photoshop. Color Code RGB
Location-Date Somerset West, South Africa - 25 Mar 2012
 
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