Big professional telescope in an observatory

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The huge professional telescope in The Bulgarian National Astronomical Observatory (Rozhen Observatory) from the inside. 200 cm Ritchey-Chretien telescope, supplied with Coude focus.

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Size: 5471px × 3647px
Location:
Photo credit: © Zoonar/Cylonphoto / Alamy / Afripics
License: Licensed
Model Released: No

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