1. Hipparchus's Computations of Solar Longitudes
2. An Early Function for Eclipse Magnitudes in Babylonian Astronomy
3. Almagest iii.1 (transl. by Toomer G. J., Ptolemy's Almagest (New York and Berlin, 1984), 133 and 133 n8). It is often assumed that the three equinoxes of 162 to 158 b.c. were observed by Hipparchus, but Toomer reports his view that they were not made by Hipparchus himself, “but were simply adduced by him for comparison”.
4. De Natura Deorum
5. Oldfather C., Diodorus of Sicily (12 vols, Cambridge, Mass. and London, 1933), i, 278–9. Needless to say, Diodorus and other classical authors are no longer to be taken as reliable sources for the content of either Egyptian or Babylonian astronomy in the absence of support from the original documents of those ancient cultures that are now available.