Asset
Prefecture
Municipality
Responsible party
Comments
Image
Coordinates
Category
FY Ref.
Constellation Stone and Mutsu Kesen District Tōni Village Survey Stele星座石と陸奥州気仙郡唐丹村 測量之碑 seiza-seki to Mutsu-shū Kesen-gun Tōni-mura sokuryō no hi Iwate Kamaishi Kamaishi Board of Education Prefectural Tangible Cultural Property [ 6] 39°12′33″N 141°53′07″E / 39.209115°N 141.885261°E / 39.209115; 141.885261 (Constellation Stone and Mutsu Kesen District Tōni Village Survey Stele )Materials 2025
Agematsu Infrared Telescope 上松赤外線望遠鏡 Agematsu sekigaisen bōenkyō Hyōgo Sayō University of Hyogo Nishi-Harima Observatory 35°01′33″N 134°20′10″E / 35.025811°N 134.336034°E / 35.025811; 134.336034 (Agematsu Infrared Telescope )Materials 2025
Temporary Latitude Observatory Main Building (Kimura Hisashi Memorial Museum )臨時緯度観測所 本館(木村榮記念館 )rinji ido kansokujo honkan (Kimura Hisashi Kinenkan) Iwate Ōshū Mizusawa VLBI Observatory [ ja ] Registered Tangible Cultural Property [ 7] 39°08′02″N 141°07′58″E / 39.133951°N 141.132693°E / 39.133951; 141.132693 (Former Temporary Latitude Observatory Main Building (Kimura Hisashi Memorial Museum) )Sites 2024
Mitaka 200 MHz Radio Telescope 三鷹200MHz 太陽電波望遠鏡 Mitaka ni-hyaku mega-herutsu taiyō denpa bōenkyō Nagano Minamimaki Nobeyama Radio Observatory 35°56′27″N 138°28′13″E / 35.940779°N 138.470368°E / 35.940779; 138.470368 (Mitaka 200 MHz Radio Telescope )Materials 2024
Kwasan Observatory (Main Building, Annex, Meridian Building)花山天文台(本館、別館、子午線館) Kazan tenmondai (honkan, bekkan, shigosen-kan) Kyōto Kyōto Kyoto University 34°59′38″N 135°47′36″E / 34.993832°N 135.793415°E / 34.993832; 135.793415 (Kwasan Observatory (Main Building, Annex, Meridian Building) )Sites 2024
Repsold Meridian Telescope and Roomレプソルド子午儀及びレプソルド子午儀室 Repusorudo shigogi oyobi Repusorudo shigogi-muro Tōkyō Mitaka National Astronomical Observatory of Japan Important Cultural Property [ 8] Registered Tangible Cultural Property [ 9] 35°40′30″N 139°32′11″E / 35.674934°N 139.536461°E / 35.674934; 139.536461 (Repsold Meridian Telescope and Room )Sites/Materials 2023
Cosmic Dust Synthesis Experiment Apparatus星間塵合成実験装置 uchū-jin gōsei jikken sōchi Tōkyō Mitaka University of Electro-Communications University of Tokyo 35°40′31″N 139°32′20″E / 35.675272°N 139.538764°E / 35.675272; 139.538764 (Institute of Astronomy, Graduate School of Science, The University of Tokyo )Materials 2023
Kurashiki Observatory and Related Heritage倉敷天文台 と関連遺産Kurashiki tenmondai to kanren isan Okayama Kurashiki Kurashiki Observatory Kurashiki City 34°35′35″N 133°46′06″E / 34.593140°N 133.768385°E / 34.593140; 133.768385 (Kurashiki Observatory and Related Heritage )Sites/Materials 2023
Osaka Municipal Electric Science Museum Planetarium大阪市立電気科学館 プラネタリウムŌsaka shiritsu denki kagaku-kan puranetarium Ōsaka Ōsaka Osaka Science Museum Municipal Tangible Cultural Property [ 10] 34°41′28″N 135°29′30″E / 34.691219°N 135.491566°E / 34.691219; 135.491566 (Osaka Science Museum )Materials 2022
Nishina -type Ionization Chamber 仁科型電離箱 Nishina-gata denri-bako Saitama Wakō Institute of Physical and Chemical Research 35°46′50″N 139°36′45″E / 35.780667°N 139.612388°E / 35.780667; 139.612388 (Institute of Physical and Chemical Research )Materials 2022
Transit of Venus of Meiji 7 Observation Sites明治7年金星太陽面通過観測地 Meiji shichi-nen Kinsei taiyō mentsūka kansoku-chi Nagasaki , Hyōgo , Kanagawa Nagasaki , Kobe , Yokohama Nagasaki City , Kobe City , private individualPrefectural Historic Site [ 11] 32°45′50″N 129°52′59″E / 32.763988°N 129.883060°E / 32.763988; 129.883060 (Transit of Venus of Meiji 7 Observation Sites )Sites 2021
Hisako Koyama 's Sunspot Sketches小山ひさ子氏の太陽黒点スケッチ群 Koyama Hisako-shi no taiyō kokuten suketchi-gun Ibaraki Tsukuba National Museum of Nature and Science 36°06′11″N 140°06′39″E / 36.103161°N 140.110908°E / 36.103161; 140.110908 (National Museum of Nature and Science Tsukuba Research Facility )Materials 2021
Sendai Domain Astronomical Instruments仙台藩天文学器機 Sendai-han tenmongaku kiki Miyagi Sendai Sendai City Important Cultural Property [ 12] 38°15′25″N 140°45′19″E / 38.256876°N 140.755336°E / 38.256876; 140.755336 (Sendai Astronomical Observatory )Materials 2020
Temporary Latitude Observatory Visual Zenith Telescope and Related Buildings臨時緯度観測所 眼視天頂儀及び関連建築物rinji ido kansokujo ganshi tenchōgi oyobi kanren kenchiku-butsu Iwate Ōshū Mizusawa VLBI Observatory [ ja ] Registered Tangible Cultural Property [ 13] 39°08′02″N 141°07′58″E / 39.133951°N 141.132693°E / 39.133951; 141.132693 (Temporary Latitude Observatory Visual Zenith Telescope and Related Buildings )Sites/Materials 2020
Nautical School Astronomical Observatory商船学校天体観測所 Shōsen Gakkō tentai kansokujo Tōkyō Kōtō Tokyo University of Marine Science and Technology Registered Tangible Cultural Property [ 14] [ 15] 35°40′07″N 139°47′27″E / 35.668695°N 139.790967°E / 35.668695; 139.790967 (Nautical School Astronomical Observatory )Sites 2020
Kitora Tumulus Ceiling Muralキトラ古墳天井壁画 Kitora kofun tenjō hekiga Nara Asuka MEXT National Treasure [ 16] 34°27′06″N 135°48′18″E / 34.451762°N 135.804963°E / 34.451762; 135.804963 (Kitora Tumulus Mural Experiential Museum Shijin no Yakata )Materials 2019
Total Solar Eclipse of Meiji 20 —Observation Sites and Stelai明治20年皆既日食観測地及び観測日食碑 Meiji nijū-nen kaiki nisshoku kansoku-chi oyobi kansoku nisshoku-hi Niigata Sanjō Sanjō City Municipal Historic Site [ 17] 37°37′07″N 138°59′55″E / 37.618585°N 138.998715°E / 37.618585; 138.998715 (Yōmei-ji )Sites 2019
6m Millimeter-Wave Radio Telescope6mミリ波電波望遠鏡 roku-mētoru miri-ha denpa bōenkyō Tōkyō Mitaka National Astronomical Observatory of Japan 35°40′29″N 139°32′08″E / 35.674704°N 139.535668°E / 35.674704; 139.535668 (National Astronomical Observatory of Japan )Materials 2019
Meigetsuki 明月記 Meigetsuki Kyōto Kyōto Reizei Family Shiguretei Bunko [ ja ] National Treasure [ 18] 35°01′45″N 135°45′39″E / 35.029239°N 135.760942°E / 35.029239; 135.760942 (Reizei Family Shiguretei Bunko )Documents 2018
Aizu Nisshinkan Observatory Site会津日新館天文台跡 Aizu Nisshinkan tenmondai ato Fukushima Aizuwakamatsu Aizuwakamatsu Board of Education Municipal Historic Site [ 19] 37°29′22″N 139°55′27″E / 37.489399°N 139.924261°E / 37.489399; 139.924261 (Aizu Nisshinkan Observatory Site )Sites 2018
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