bobfriedman Posted June 30, 2020 Share Posted June 30, 2020 I don't know where to put this. but, This 10-year time lapse showcases photos taken at a wavelength of 17.1 nanometers, which is an extreme ultraviolet wavelength that shows the Sun’s outermost atmospheric layer — the corona. Link to comment
Stefano Posted June 30, 2020 Share Posted June 30, 2020 One of the very few images (more like technologies) which can see in the EUV spectrum. As I am aware of, there are no materials in "normal" thicknesses (like 1 mm) that are transparent to EUV light. In other words, you can't build lenses to see there. Link to comment
dabateman Posted July 1, 2020 Share Posted July 1, 2020 I got a sun filter not too long ago as part of a bulk filter purchase. I have been meaning to try and image the sun.Its a fun filter in that it uniformly blocks all wavelengths from UV through IR. You can see light bulbs filaments with it. Link to comment
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