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physics.hist-ph2012
No evidence for an early seventeenth-century Indian sighting of Keplers supernova (SN1604)
Robert H. van Gent
In a recent paper Sule et al. (Astronomical Notes, vol. 332 (2011), 655) argued that an early 17th-century Indian mural of the constellation Sagittarius with a dragon-headed tail i…
astro-ph.IM2012★ 25 cited
The star catalogues of Ptolemaios and Ulugh Beg: Machine-readable versions and comparison with the modern Hipparcos Catalogue
Frank Verbunt, Robert H. van Gent
In late antiquity and throughout the middle ages, the positions of stars on the celestial sphere were obtained from the star catalogue of Ptolemaios. A catalogue based on new measu…