Keywords: Poeticon astronomicon cas.jpg Woodcut of Cassiopeia from Hyginus' Poeticon Astronomicon U S Naval Observatory Library - This image is derived from this http //www usno navy mil/USNO/library/historical/images-of-historical-objects-artwork-in-library/rare-books/images/hyginus/PoeticonAstronomiconCasAnd jpg/view image courtesy of the United States Naval Observatory Library http //www usno navy mil/USNO/library/historical/images-of-historical-objects-artwork-in-library/rare-books/rare-books-main-page/ Rare books who gives explicit permission to use it so long as the attribution is attached 1-VII-2010 User Stanlekub PD-old-100 the credit line U S Naval Observatory Library is attached Poeticon astronomicon casand Old astronomical prints Cassiopeia mythology |