Astronomiska Observatoriet - Uppsala

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Hale Observatories

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Harvard College Observatory

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Lick Observatory

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NASA (US National Aeronautics Space Administration, 1958-)

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Observatoire de Haute Provence du C.N.R.S.

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Sacramento Peak Observatory

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Smithsonian Institution Astrophysical Observatory

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Yerkes Observatory

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planeten

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sterren

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Heck, A

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Manfroid, J.

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Anthologie

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Astronomische fotografie

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