Anton > 12-09-2017, 06:43 PM
Quote:Stars were already grouped into six different mangnitudes in Ptolemy's catalog (in You are not allowed to view links. Register or Login to view.).
MarcoP > 12-09-2017, 07:46 PM
(12-09-2017, 06:43 PM)Anton Wrote: You are not allowed to view links. Register or Login to view.Quote:Stars were already grouped into six different mangnitudes in Ptolemy's catalog (in You are not allowed to view links. Register or Login to view.).
What I mean is whether these groups were each worth a separate discussion. E.g. one group maybe governs plants, another one governs stones etc, something like that. The point is that if the paragraphs of 58r are related to these categories of stars - then, in the first place, - why should they?
Helmut Winkler > 12-09-2017, 09:18 PM
(12-09-2017, 03:16 PM)ReneZ Wrote: You are not allowed to view links. Register or Login to view.I was looking for copies of the catalogues of Al-Sufi and Ulugh Beg, but never found any.Editions of star catalogues of Al-Sufi and Ulugh Beg, al-Sufi: You are not allowed to view links. Register or Login to view. and Ulugh Beg: You are not allowed to view links. Register or Login to view., a French transl. of al Sufi is online, You are not allowed to view links. Register or Login to view. and there seem to be medieval Latin translations of al Sufi
Ruby Novacna > 13-09-2017, 12:36 PM
Anton > 13-09-2017, 02:40 PM
Anton > 13-09-2017, 02:55 PM
Davidsch > 13-09-2017, 04:14 PM
Andrew Harrington > 13-09-2017, 07:26 PM
Davidsch > 14-09-2017, 11:03 AM
Andrew Harrington > 14-09-2017, 11:13 AM