Editing Hipparchus (section)

== Notes ==
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{{efn|name=head-of-hipparchus|[[Stanisław Poniatowski (1754–1833)|Stanisław Poniatowski]]'s collection of contemporary forgeries passed off as antique engraved gems included an amethyst depicting Hipparchus with a star and the subject's name, which was included in a Christie's 1839 auction. From Poniatowski (1833), p. 52: {{lang|fr|italic=unset|"... Dans le champ de cette pierre on voit une étoile et en beaux caractères le nom du sujet. ''Améthyste''."}} [In the field of this stone we see a star and in beautiful characters the name of the subject. ''Amethyst''.]{{r|gem}} {{pb}} This engraving was used for the title page of [[William Henry Smyth]]'s 1844 book, as suggested by an 1842 letter Smyth sent to the ''National Institute for the Promotion of Science'', which described "the head of Hipparchus, from the Poniatowski-gem, intended as a vignette illustration of his work".{{r|smyth}} The engraving has subsequently been repeatedly copied and re-used as a representation of Hipparchus, for instance in a 1965 Greek [[postage stamp]] commemorating the [[Eugenides Foundation|Eugenides Planetarium]] in Athens.{{r|wilson1989}} }}

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