{"schemaVersion":2,"id":"tlg1210.tlg002.local001","url":"https://thegreeklibrary.org/works/tlg1210.tlg002.local001/","urn":"urn:cts:greekLit:tlg1210.tlg002.local001","title":"De Ortibus et Occasibus","titleGreek":null,"alternateTitles":[],"author":"Autolycus","authorityName":"AUTOLYCUS Astron.","authorUrl":"https://thegreeklibrary.org/authors/tlg1210-autolycus-astron/","authorityUrl":"https://thegreeklibrary.org/authors/tlg1210-autolycus-astron/","editors":["Friedrich Hultsch"],"publication":{"digitalPublisher":"Harvard College Library","sourceTitle":"Autolyci De sphaera quae movetur liber","edition":null,"publisher":"Teubner","place":"Leipzig","date":"1885","volume":null,"series":null,"citation":null,"citationShort":null},"rights":{"text":"Available under a Creative Commons Attribution-ShareAlike 4.0 International License","url":"https://creativecommons.org/licenses/by-sa/4.0/"},"provenance":{"authority":"Harvard College Library","sponsors":[],"funders":["Harvard Library Arcadia Fund"],"principal":"Gregory Crane","responsibilities":[{"role":"Corrected and encoded the text","names":[]},{"role":"Editor-in-Chief, Perseus Digital Library","names":[]},{"role":"Project Manager (University of Leipzig)","names":[]},{"role":"Project Assistant (University of Leipzig)","names":[]},{"role":"Lead Developer (University of Leipzig)","names":[]},{"role":"Technical Advisor","names":[]}]},"corpus":{"version":"2.2.0","date":"2026-08-29"},"revisionDate":"2026-08-15","sourceUrl":"https://archive.org/details/autolycidesphaer00autouoft","sourceLinkType":null,"sourceRights":null,"citation":"Autolycus. De Ortibus et Occasibus. ed. Friedrich Hultsch. Autolyci De sphaera quae movetur liber, Leipzig, Teubner, 1885. urn:cts:greekLit:tlg1210.tlg002.local001","excerpt":"αʹ. Τῶν ἀπλανῶν ἄστρων αἱ ἐπιτολαί τε καὶ δύσεις αἱ μὲν λέγονται ἀληθιναί, αἱ δὲ φαινόμεναι. βʹ. Τῶν δὲ ἀληθινῶν ἑῴα μέν ἐστιν ἐπιτολή, ὅταν ἅμα τῷ ἡλίῳ ἀνατέλλοντι ἄστρον τι συνανατέλλῃ. γ΄. Ἑῴα δὲ δύσις, ὅταν ἅμα τῷ ἡλίῳ ἀνατέλλοντι ἄστρον τι δύνῃ. δʹ. Ἑσπερία δὲ ἀνατολή, ὅταν ἅμα τῷ ἡλίῳ δύνοντι ἄστρον τι ἀνατέλλῃ. εʹ. Ἑσπερία δὲ δύσις, ὅταν ἅμα τῷ ἡλίῳ δύνοντι ἄστρον τι συνδύνῃ. ϛʹ. Τῶν δὲ φαινομένων ἑῴα μέν ἐστιν ἐπιτολή, (α) ὅταν πρὶν τὸν ἥλιον ἀνατεῖλαι ἄστρον τι πρώτως φανῇ ἀνατέλλον. ζ΄. Ἑῴα δὲ δύσις, ὅταν πρὶν τὸν ἥλιον ἀνατεῖλαι (β) ἄστρον τι πρώτως φανῇ δῦνον. (α) Ὥστε ὀφθὲν ἀνατέλλον μηκέτι ὀφθῆναι ἀνατέλλον. (β) Οἷον ἐπὶ τῆς τοὺ κυνὸς ἐπιτολῆς, ὅτε πρῶτον φανῇ. ηʹ. Ἑσπερία δὲ ἐπιτολή, ὅταν μετὰ τὸ τὸν ἥλιον δῦναι ἄστρον τι ἐσχάτως φανῇ ἀνατέλλον. θʹ. Ἐσπερία δὲ δύσις, ὅταν μετὰ τὸ τὸν ἥλιον (γ) δῦναι ἄστρον τι ἐσχάτως φανῇ δῦνον. αʹ. Ἑκάστου τῶν ἀπλανῶν ἄστρων αἱ ἑῷαι…","divisions":[{"label":"ΑΥΤΟΛΥΚΟΥ ΠΕΡΙ ΕΠΙΤΟΛΩΝ ΚΑΙ ΔΥΣΕΩΝ ΤΟ Α.","url":"https://thegreeklibrary.org/works/tlg1210.tlg002.local001/#tlg1210-tlg002-local001-1"},{"label":"Book 2","url":"https://thegreeklibrary.org/works/tlg1210.tlg002.local001/#tlg1210-tlg002-local001-2"}],"formats":{"html":"https://thegreeklibrary.org/works/tlg1210.tlg002.local001/","json":"https://thegreeklibrary.org/api/works/tlg1210.tlg002.local001.json","compressedReadingDocument":"https://thegreeklibrary.org/works/tlg1210/tlg002/local001.json.gz"}}