BRITISH LIBRARY / SCIENCE PHOTO LIBRARY BRITISH LIBRARY / SCIENCE PHOTO LIBRARY
Hydra constellation. Hydra, shown as mirror images as seen on a celestial globe and in the sky. The constellation is depicted as a serpent. Stars are dots marked with red circles. The text is in Arabic. This manuscript is from a later copy of 'A description of the fixed stars' (c.964) by the 10th-century Persian Islamic astronomer Abd al-Rahman al-Sufi.
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