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S73-33788 (10 June 1973) --- The solar eruption of June 10, 1973, is seen in this spectroheliogram obtained during the first manned Skylab mission (Skylab 2), with the SO82A experiment, an Apollo Telescope Mount (ATM) component covering the wavelength region from 150 to 650 angstroms (EUV). The solid disk in the center was produced from 304 angstrom ultraviolet light from He + ions. At the top of this image a great eruption is visible extending more than one-third of a solar radius from the sun's surface. This eruption preceded the formation of an enormous coronal bubble which extended a dista…
