When the Meiji Period began, after Taisei hokan (restoration of Imperial political power), taking advantage of the confusion created by the Meiji Restoration, Onmyo no kami Haruo TSUCHIMIKADO requested and received permission for Onmyoryo to take over the former Tenmongata shogunate and expropriated complete authority over astronomical observation, as well as mapping, and surveys.
大政奉還がなされ明治時代になると、明治維新の混乱に乗じて、陰陽頭土御門晴雄は陰陽寮への旧幕府天文方接収を要望してこれを叶え、天文観測や地図測量の権限の全てを収用した。