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Photo-s73-33788

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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 distance of several radii from the sun's surface, and which was observed with the coronagraph aboard Skylab. In contrast, the Fe XV image at 285 angstrom just to the right of the 304 angstrom image does not show this event. Instead, it shows the bright emission from a magnetic region in the lower corona. In this picture, solar north is to the right, and east is up. The wavelength scale increases to the left. The U.S. Naval Research Laboratory is principal investigator in charge of the SO82 experiment. Photo credit: NASA

Curator: JSC PAO Web Team | Responsible NASA Official: Amiko Kauderer | Updated: 11/27/2013
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