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Capturing our star with a CCD

This step-by-step guide outlines one way to create beautiful solar images.
In the June 2003 issue of Astronomy, I outline my technique for imaging the sun using a special filter that allows only light of a particular wavelength (656.3 nanometers) to pass through. Here I will break down my method to show step-by-step how I take high-resolution CCD images of the sun with this filter, called H-alpha (short for Hydrogen alpha). First, let me describe my own setup. I use a Meade Pictor 1616XTE CCD camera, a 5-inch Meade apochromatic refractor, and Coronado Instruments' 90mm...

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