{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-05-20","schedule":[{"end":"2025-05-20T20:35Z","end_local":"23:35","hours":3.0,"mean_quality":0.0,"start":"2025-05-20T17:35Z","start_local":"20:35","target":null},{"end":"2025-05-20T21:00Z","end_local":"00:00","hours":0.42,"mean_quality":0.45,"start":"2025-05-20T20:35Z","start_local":"23:35","target":"NGC 7000"},{"end":"2025-05-21T00:00Z","end_local":"03:00","hours":3.0,"mean_quality":0.0,"start":"2025-05-20T21:00Z","start_local":"00:00","target":null},{"end":"2025-05-21T01:00Z","end_local":"04:00","hours":1.0,"mean_quality":0.82,"start":"2025-05-21T00:00Z","start_local":"03:00","target":"NGC 7000"},{"end":"2025-05-21T03:00Z","end_local":"06:00","hours":2.0,"mean_quality":0.0,"start":"2025-05-21T01:00Z","start_local":"04:00","target":null}],"targets":[{"best_window":{"end":"2025-05-21T01:00Z","end_local":"04:00","hours":1.0,"label":"good","mean_quality":0.82,"start":"2025-05-21T00:00Z","start_local":"03:00"},"dec":44.33,"moon_separation":59.3,"name":"NGC 7000","quality_hours":1.22,"ra":314.69583333,"resolved":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"},"score":28,"score_astronomy":90,"score_weather":31,"transit":{"airmass":1.0,"alt":87.3,"az":358.6,"t":"2025-05-21T03:25Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-05-20T20:35Z","end_local":"23:35","hours":3.0,"label":"unusable","mean_quality":0.0,"start":"2025-05-20T17:35Z","start_local":"20:35"},{"end":"2025-05-20T21:00Z","end_local":"00:00","hours":0.42,"label":"marginal","mean_quality":0.45,"start":"2025-05-20T20:35Z","start_local":"23:35"},{"end":"2025-05-21T00:00Z","end_local":"03:00","hours":3.0,"label":"unusable","mean_quality":0.0,"start":"2025-05-20T21:00Z","start_local":"00:00"},{"end":"2025-05-21T01:00Z","end_local":"04:00","hours":1.0,"label":"good","mean_quality":0.82,"start":"2025-05-21T00:00Z","start_local":"03:00"},{"end":"2025-05-21T02:25Z","end_local":"05:25","hours":1.42,"label":"poor","mean_quality":0.14,"start":"2025-05-21T01:00Z","start_local":"04:00"},{"end":"2025-05-21T03:00Z","end_local":"06:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-05-21T02:25Z","start_local":"05:25"}]}],"unscheduled":[],"warnings":[]}