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Before the
invention of photography observers sat at
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telescopes and
sketched what they saw.
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Combining the
optics of a telescope with a specially
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constructed
camera to make the first photographic plates took
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place around
the 1840s.
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By the turn of
the 1900s astronomers turned their attention to
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making
telescopes specifically for photography and not for
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observing.
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This in turn
led to even better imaging of galaxies and star
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clusters as
well as better spectral images for deeper scientific
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analysis.
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