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Title: Film positive 9 7/8 x 7 3/4) Nebula N.G.C. 7217, exposure 5 [Go to resource]
Description: Film positive 9 7/8 x 7 3/4) Nebula N.G.C. 7217, exposure 5 1/2 hours, 60-inch Telescope, enlarged 11.4 diam License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: galaxies
black-and-white transparencies
astrophotographsTemporal: 1923 Source: Science Museum Creator: Mount Wilson Observatory Identifier: 1923-551 Go to resource More Like this...
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