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Why Astronomy Needs LPS Lighting Christian B. Luginbuhl U.S. Naval Observatory Flagstaff Station versionJune 2003 Astronomers generally use filters when making images of astronomical objects or when simply
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Document Date: 2007-01-11 18:06:20
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Why Astronomy Needs LPS Lighting Christian B. Luginbuhl U.S. Naval Observatory Flagstaff Station versionJune 2003 Astronomers generally use filters when making images of astronomical objects or when simply