Home›Astronomical instruments›nocturnal🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaРусскийالعربية中文EntityQ1607611· pop 15· linked from 28 articlesnocturnalinstrument used to determine the local time based on the relative positions of two or more stars in the night skyWikidata factsImageNotturnale, xvi-xvii sec, appartenuto a vincenzo viviani 01.JPGSources (4)wikidata.orgthes.bncf.firenze.sbn.itdocs.openalex.orgweb.archive.orgvia Wikidata · CC0Available in 14 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةCatalanLuxembourgishNederlandsConnectionssidereal timeEntitySunConceptCategoriesAstronomical instrumentsNavigational equipmentObsolete scientific instruments