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The Sun shines at many wavelengths from many processes. This image shows the light emitted at a wavelength of 656.3 nm using a narrow band filter. This wavelength shows fine structure on the solar disk as well as solar prominences, which can only be seen with such narrow band filters and during a total solar eclipse.
Technical. The image was obtained with a stock Canon EOS R5 Mirrorless Digital Camera and Canon 100-400 L IS zoom lens at 300mm plus a Daystar Camera Quark Hydrogen Alpha Chromosphere filter plus an energy rejection filter (for safety). Exposure: 1/320 second at ISO 320. The filter includes a 4.2x teleconverter, so the focal length was about 1300 mm. A second image at 1/200 second for the prominences was combined with the solar disk for this composite to show both, The image here is shown at full scale.
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Keywords to this image = astrophoto-1 the_sun H-alpha digital_astro canon_r5 NEW
Image ID: sun-h-alpha-1290mm-r5-2021-12-18-4C3A1880+63.e-0.5xs.jpg
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Last updated April 14, 2023