Solar expert Dr. Ryan French explains how to safely photograph the sun and all of its stellar features with the use of cameras, lenses, telescopes and filters. When you purchase through links on our ...
If you already own one of the best telescopes and you want to safely view the partial solar eclipse on the 29 March, you may want to opt for a filter instead of buying a whole new solar telescope just ...
The filters on NASA’s Roman Space Telescope Coronagraph Instrument’s Color Filter Assembly each block all but a specific color, or wavelength, of light. Many of the filters appear dark in this photo ...
Largest imaging spectro-polarimeter achieves first light at the NSF Daniel K. Inouye solar telescope
A narrow-band image of the Sun at a wavelength of λ=588.9nm - that of a well known solar sodium line also known as the “NaD line.” The image was acquired during recent first light efforts with the VTF ...
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