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Title: Glass positive:- annular Nebula in Lyra, N.G.C.6720, R.A., 1 [Go to resource]
Description: Glass positive:- annular Nebula in Lyra, N.G.C.6720, R.A., 18h 48m decl, +32 degrees 51', J.S. Plaskett, Dominion Astrophysical Observatory, Victoria, B.C., 72-inch reflector, focal length, 30ft exposure, 25 min, 8" x 10" License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: black-and-white transparencies
planetary nebulae
astrophotographsTemporal: 1929 Source: Science Museum Creator: Plaskett, John Stanley, 1865-1941 Identifier: 1929-717 Go to resource More Like this...
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