{"revision":"2ee36f01702ac8ce","id":"astronomy-engine","title":"Astronomy Engine calculated ephemerides","url":"https://github.com/cosinekitty/astronomy","attribution":"Calculated with Astronomy Engine by Don Cross (MIT). Not observed sky or weather data.","license":"MIT (calculation software)","licenseUrl":"https://github.com/cosinekitty/astronomy/blob/master/LICENSE","sourceUpdatedAt":null,"retrievedAt":null,"checksum":"6146e8966bfd1c57553164fb57613de765cd74995b8f5130c174c6da235f792a","modelVersion":"2.1.19","upstreamUrls":["https://github.com/cosinekitty/astronomy"],"classification":"calculation-model","provenanceStatus":"linked-source","delivery":"on-demand-calculation","refresh":{"automatic":false,"method":"versioned-calculation","command":"npm --workspace apps/maio-api run data:sync","retrievedAt":null,"sourceUpdatedAt":null,"freshnessAssessment":"not-assessed","note":"Calculated on demand using a pinned model; no upstream observation retrieval or live freshness timestamp. Model upgrades require a reviewed dependency update and deployment."},"transformation":{"implementation":"lib/night-sky.mjs","description":"Deterministic Sun/Moon ephemerides using the pinned Astronomy Engine model, explicit location, sea-level horizon and local date. No weather or sensor inference."},"links":{"astronomy":"/api/v1/astronomy","nightSky":"/api/v1/night-sky","self":"/api/v1/sources/astronomy-engine","features":"/api/v1/features?sourceId=astronomy-engine","collections":[],"datasets":[]}}