Sendai Astronomical Observatory

observatory in Miyagi, Japan

Organization Astronomical Observatory Q4416112

Facts

17 properties

Identity

Instance of: astronomical observatory, planetarium, astronomical museum, public observatory, 社会教育施設^[5]^[6]^[7]^[8]
Official website: www.sendai-astro.jp, www.sendai-astro.jp^[14]^[15]
Native label: 仙台市天文台^[17]

Status and dates

Inception

1955^[12]as of 2026-10-21

where from?

Source: ROR (Research Organization Registry)
Record: ror.org/03wcr7550
Edition: 20261021 · as of 2026-10-21
Licence: CC0 1.0 (ROR data) + CC BY 4.0 (GeoNames location data)
Bronze: 7a7bf58d5ac18436… v2.15-2026-10-20-ror-data.zip
Transform: 4ort-mint · ror:20261021 · version not recorded

Location

Country: Japan^[4]
Coordinate location: 🗺️ 38.258°, 140.755°
Located in the administrative territorial entity: Nishikigaoka, Aoba-ku^[2]^[3]
Location of formation: Nishi Park^[13]
Postal code: 989-3123^[10]
Street address: 〒989-3123　宮城県仙台市青葉区錦ケ丘9-29-32^[22]

Relations

Child organization or unit: Sendai Astronomical Observatory Ayashi Station^[11]
Member of: Miyagi-ken Hakubutsukan-tō Renraku Kyōgikai^[1]

More facts +5

Architect: NTT Facilities^[9]
Date of official opening: February 1, 1955^[16]
Elevation above sea level: +163^[18]
Has part(s) of the class: planetarium, Cassegrain reflecting telescope^[19]^[20]
Number of viewers/listeners: +583303^[21]

🏷️ Also known as

en Sendai Astronomical Observatory ja 仙台市天文台 nl Sendai Astronomisch Observatorium ru Sendai Astronomical Observatory ru Сендайская астрономическая обсерватория ru Сендайская муниципальная обсерватория th หอดูดาวเมืองเซ็นได zh 仙台天文台

🔖 Identifiers · 25

ROR ID: 03wcr7550
VIAF cluster ID: 260027858
GRID ID: grid.440427.1
Image (Wikimedia Commons): Sendaishi Tenmondai 2008-07-01a.jpg ↗
CiNii Research ID: 1140282269218186112
Cultural Heritage Online (Japan) institution ID: 13603
Facebook username: sao1300
Google Knowledge Graph ID: /g/1234tcvv
Google Maps Customer ID: 2002089815940266259
Google News topics ID: CAAqJQgKIh9DQkFTRVFvTEwyY3ZNVEl6TkhSamRuWVNBbXBoS0FBUAE
ISIL: JP-2000446
Instagram location ID: 50699, 1397470707178227

Show all 25 identifiers +13

Instagram username: sendai_astro
Japan Location Database ID: 040100104
Japan Search name ID: 仙台市天文台
Minor Planet Center observatory code: D93
MusicBrainz place ID: 3c016fa0-1965-4cc8-9abc-698bb1945d85
NDL Authority ID: 01012420
Official blog URL: sao1300.blog.fc2.com
OpenStreetMap way ID: 295951234
Scilit organization ID: 31739
Tripadvisor ID: 7602112
X (Twitter) username: SAO1300
YouTube channel ID: UCOj0TUo8jeG-ypqJZ40Xv_g
YouTube handle: sendai1300

📚 Sources · 2

OpenAlex as of 2026-09-27 · 1 statement · CC0 1.0 CC0 1.0 (OpenAlex snapshot, openalex.org). Values as shipped.
ROR (Research Organization Registry) as of 2026-10-21 · 1 statement · CC0 1.0 (ROR data) + CC BY 4.0 (GeoNames location data)

Report an error or request removal Lineage (PROV-JSON)

⛏️ Lake Facts · open-dataset statements via 4ort-mint

From open datasets, joined by identifier and shown only for properties Wikidata does not state on this entity — except where the dataset is the registry authority for the fact (ClinicalTrials.gov on trial registration data): there its value is shown instead, with Wikidata's noted beside it. Every row carries its dataset edition and licence.

OpenAlex IDP10283

I4210142569 2026-09-27 OpenAlex (CC0 1.0) as of 2026-09-27

where from?

Source: OpenAlex
Edition: 20260927 · as of 2026-09-27
Licence: CC0 1.0
Credit: CC0 1.0 (OpenAlex snapshot, openalex.org). Values as shipped.
Bronze: not in the catalog
Transform: 4ort-mint · lake · version not recorded

CC0 1.0 (OpenAlex snapshot, openalex.org). Values as shipped.

🔗 Connections

Instance of 3

planetarium, astronomical observatory, public observatory

Located in the administrative territorial entity 3

Sendai, Miyagi Prefecture, Aoba-ku

← Site of astronomical discovery 3

5751 Zao, 7816 Hanoi, 8251 Isogai

Has part(s) 2

planetarium, Cassegrain reflecting telescope

Country 1

Japan

Employees / affiliates 1

Masahiro Koishikawa

Press Enter · cited answer in seconds

⭐ Popularity Graph

15/100 established

🌐 Wiki Languages

5 / 428 langs

📈 Wikipedia Views · last 12 months

650 views trend: hourly, last 76h

🌐 Available in 4 languages

ja仙台市天文台 ruСендайская астрономическая обсерватория thหอดูดาวเมืองเซ็นได zh仙台天文台

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[4] ↑ Sendai Astronomical Observatory — country (P17): Japan. wikidata.org.
[5] ↑ Sendai Astronomical Observatory — instance of (P31): planetarium. sendai-astro.jp. sendai-astro.jp. Provenance: wikidata.org.
[6] ↑ Sendai Astronomical Observatory — instance of (P31): astronomical museum. sendai-astro.jp. sendai-astro.jp. Provenance: wikidata.org.
[7] ↑ Sendai Astronomical Observatory — instance of (P31): public observatory. wikidata.org.
[8] ↑ Sendai Astronomical Observatory — instance of (P31): 社会教育施設. wikidata.org.
[9] ↑ Sendai Astronomical Observatory — architect (P84): NTT Facilities. wikidata.org.
[2] ↑ Sendai Astronomical Observatory — located in the administrative territorial entity (P131): Nishikigaoka. wikidata.org.
[3] ↑ Sendai Astronomical Observatory — located in the administrative territorial entity (P131): Aoba-ku. wikidata.org.
[10] ↑ Sendai Astronomical Observatory — postal code (P281): 989-3123. wikidata.org.
[11] ↑ Sendai Astronomical Observatory — child organization or unit (P355): Sendai Astronomical Observatory Ayashi Station. wikidata.org.
[1] ↑ Sendai Astronomical Observatory — member of (P463): Miyagi-ken Hakubutsukan-tō Renraku Kyōgikai. thm.pref.miyagi.jp. Retrieved 2026-06-06. thm.pref.miyagi.jp. Provenance: wikidata.org.
[12] ↑ Sendai Astronomical Observatory — inception (P571): 1955. ror.org. Retrieved 2026-10-20. ror.org. Provenance: wikidata.org.
[13] ↑ Sendai Astronomical Observatory — location of formation (P740): Nishi Park. wikidata.org.
[14] ↑ Sendai Astronomical Observatory — official website (P856): http://www.sendai-astro.jp/otherlang/index.html. wikidata.org.
[15] ↑ Sendai Astronomical Observatory — official website (P856): https://www.sendai-astro.jp/. wikidata.org.
[16] ↑ Sendai Astronomical Observatory — date of official opening (P1619): February 1, 1955. wikidata.org.
[17] ↑ Sendai Astronomical Observatory — native label (P1705): 仙台市天文台. wikidata.org.
[18] ↑ Sendai Astronomical Observatory — elevation above sea level (P2044): 163 m. wikidata.org.
[19] ↑ Sendai Astronomical Observatory — has part(s) of the class (P2670): planetarium. wikidata.org.
[20] ↑ Sendai Astronomical Observatory — has part(s) of the class (P2670): Cassegrain reflecting telescope. wikidata.org.
[21] ↑ Sendai Astronomical Observatory — number of viewers/listeners (P5436): 583,303. YouTube API. Retrieved 2025-11-28. wikidata.org.
[22] ↑ Sendai Astronomical Observatory — street address (P6375): 〒989-3123　宮城県仙台市青葉区錦ケ丘9-29-32. sendai-astro.jp. sendai-astro.jp. Provenance: wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA

4ort.xyz Knowledge Graph. (2026). Sendai Astronomical Observatory. Retrieved November 8, 2026, from https://4ort.xyz/entity/sendai-astronomical-observatory

MLA

“Sendai Astronomical Observatory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/sendai-astronomical-observatory.

BibTeX

@misc{4ortxyz_sendai-astronomical-observatory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Sendai Astronomical Observatory}}, year = {2026}, url = {https://4ort.xyz/entity/sendai-astronomical-observatory}, note = {Accessed: 2026-11-08}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Sendai Astronomical Observatory — https://4ort.xyz/entity/sendai-astronomical-observatory (retrieved 2026-11-08)

Canonical URL: https://4ort.xyz/entity/sendai-astronomical-observatory · Last refreshed: November 8, 2026

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

22w ago · Maculosae tegmine lyncis · 2026-06-07 view diff on Wikidata ↗

Japan Location Database ID → 040100104

Located in the administrative territorial entity → Nishikigaoka, Aoba-ku

Street address → 〒989-3123　宮城県仙台市青葉区錦ケ丘9-29-32

"Created claim: Japan Location Database ID: 040100104"

Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.