Vibrant Colors in Scorpius
Photographed by Scott Davis on July 6, 2013
From Golden State Star Party
While many areas of Scorpius are worth looking at using a telescope, nothing brings out the colors like a photograph. This photograph shows the Antares nebula (bright yellow), the Rho Ophiuchi Nebula (blue), the Blue Horsehead Nebula, and many dark lanes of dust, known as the Rivers to Antares.
Canon EOS 60D
Canon EF-S 60mm f/2.8 Macro USM
Celestron CGEM (Hypertuned)
Orion Astrograph 8" f/3.9 Newtonian
Camera settings were ISO 1600, f/4.5, 170-second exposure time. A total of 37 light frames, 10 dark frames, and 50 each of flat, dark flat, and bias frames were stacked to create this final composite image.
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