https://creativecommons.org/publicdomain/zero/1.0/ https://www.rawpixel.com/image/429683 Sidney Hall’s (1831) astronomical chart illustration of the Delphinus, Sagitta, Aquila, and the Antinous. Original from…

Sidney Hall’s (1831) astronomical chart illustration of the Delphinus, Sagitta, Aquila, and the Antinous. Original from Library of Congress. Digitally enhanced by rawpixel.

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