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Keywords from Image Description:
Hev fig cygnus. it Tavola rappresentante la costellazione del Cigno nel Firmamentum Sobiescianum sive uranographia contenuto nel Prodromus Astronomiae Prodromus Astronomi atlascoelestis htm Johannes Hevelius PDold Uranographia by Johannes Hevelius Firmamentum Sobiescianum sive uranographia Cygnus constellation