Description of the Astrolabe, – Severus Sebokht
This text was transcribed by Roger Pearse, Ipswich, UK Severus Sebokht, Description of the Astrolabe, in R.T.Gunther, Astrolabes of the World, Oxford (1932) •Introduction •Part 2 – Use of the Astrolabe ◦1. To find during the day, with the help of the astrolabe, the solar hour; then to find for this hour the degree (of the zodiac) that is in the ascendant, which star rises and sets, is in the descendant, which is in the middle of the heaven (at the meridian) and which is beneath the earth. ◦2. To find the hour during the night from the stars. ◦3. To find the hour during the...
Read MoreSeverus Sebokht, Description of the Astrolabe
This text was transcribed by Roger Pearse, Ipswich, UK Severus Sebokht, Description of the Astrolabe, in R.T.Gunther, Astrolabes of the World, Oxford (1932) •Introduction •Part 2 – Use of the Astrolabe ◦1. To find during the day, with the help of the astrolabe, the solar hour; then to find for this hour the degree (of the zodiac) that is in the ascendant, which star rises and sets, is in the descendant, which is in the middle of the heaven (at the meridian) and which is beneath the earth. ◦2. To find the hour during the night from the stars. ◦3. To find the hour during...
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