{"revision":"2ee36f01702ac8ce","id":"d3-celestial-constellations","title":"d3-celestial constellation reference catalogue","url":"https://github.com/ofrohn/d3-celestial/tree/7e720a3de062059d4c5400a379146a601d9010e0","file":"apps/maio-api/data/constellation-catalog.json","attribution":"Copyright (c) 2015, Olaf Frohn. d3-celestial constellation names/figures; upstream IAU chart credits retained in bundled readme. Calculations use Astronomy Engine by Don Cross (MIT).","license":"BSD-3-Clause (d3-celestial distribution; upstream credits retained)","licenseUrl":"https://github.com/ofrohn/d3-celestial/blob/7e720a3de062059d4c5400a379146a601d9010e0/LICENSE","sourceUpdatedAt":null,"retrievedAt":"2026-09-17T16:41:25.002Z","checksum":"e40983d189bd9f615c1585436ba85da412721cc0d83f424a48f5ebb116f98de2","upstreamCommit":"7e720a3de062059d4c5400a379146a601d9010e0","upstreamUrls":["https://github.com/ofrohn/d3-celestial/tree/7e720a3de062059d4c5400a379146a601d9010e0"],"classification":"reference-catalog","provenanceStatus":"linked-source","delivery":"materialized-snapshot","refresh":{"automatic":false,"method":"repository-file-import","command":"node apps/maio-api/scripts/import-constellations.mjs <reviewed-commit>","retrievedAt":"2026-09-17T16:41:25.002Z","sourceUpdatedAt":null,"freshnessAssessment":"not-assessed","note":"No refresh SLA or automatic polling. Request time and cache validation do not establish source freshness."},"transformation":{"implementation":"scripts/import-constellations.mjs; lib/constellations.mjs","description":"Pinned source J2000 label and pattern-star coordinates; Serpens parts grouped under one stable ID. Precession/nutation/horizon rotation with Astronomy Engine; no observed-visibility claim."},"links":{"astronomy":"/api/v1/astronomy","nightSky":"/api/v1/night-sky","self":"/api/v1/sources/d3-celestial-constellations","features":"/api/v1/features?sourceId=d3-celestial-constellations","collections":[],"datasets":[]}}