Reporting the status of extraordinary astronomical events and the good omens they contained in sosho (reports to the Emperor) to the Emperor, conducted through the Onmyoryo (Bureau of Divination) or Kurododokoro (the Chamberlain's Office), was called tenmon misso.
天文異変の異変の状況とその内容の吉兆を勘録した奏書を陰陽寮または蔵人所を通じて天皇に報告する事を天文密奏と称した。