The Dutch Open Telescope is an optical solar telescope located on Roque de los Muchachos Observatory, La Palma. With a main mirror of 45 centimeters, it can reach an 0.2 arcsec resolution for sustaine
The Swedish Solar Telescope, also known as the Swedish 1-meter Solar Telescope, is a refracting solar telescope at Roque de los Muchachos Observatory, La Palma in the Canary Islands. It is run by the