m8_98.jpg Lagoon Nebula
The Lagoon Nebula is a star-forming region in the constellation Sagittarius. It also goes by the names M8 and NGC 2563. This image was made with the 0.8-meter Telescope at McDonald Observatory, using the Prime Focus Corrector instrument. To obtain a color image, three exposures were added together, one made with a red filter, one with a green filter, and one with a blue filter. Credit: Mary Kay Hemenway/AASTRA teacher program/McDonald Observatory.
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