ocr: CORONAGRAPH A coronagraph is a telescope that is designed to block light coming from the solar disk, in order to see the extremely faint emission from the region around the sun, called the corona. Coronagraphs can also observe the innermost corona from the ground, but the outermost corona can be reached only from space because of the scattenng of sunlight in Earth's atmosphere. Coronagraph was invented in 1930 by the French astronomer Bernard Ferdi- nand Lyot (1897-1952). SOHO instruments include several CO- ronagraphs among its instruments (see UVCS, - LASCO). Image sequence as recorded by th ...
