Solar Filters and Telescopes

See the details of the sun's photosphere with a white-light filter. Dark sunspots stand out against the brighter solar disk. See the lighter penumbra around a sunspot and track its development across the face of the sun.

Discover the unbelievable beauty of the sun's chromosphere! Only a hydrogen-alpha telescope can show you this fascinating layer of constant activity. See prominences, filaments and sunspots change from one moment to the next.