{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-04-23","schedule":[{"end":"2026-04-23T20:25Z","end_local":"23:25","hours":3.25,"mean_quality":0.0,"start":"2026-04-23T17:10Z","start_local":"20:10","target":null},{"end":"2026-04-24T01:00Z","end_local":"04:00","hours":4.58,"mean_quality":0.79,"start":"2026-04-23T20:25Z","start_local":"23:25","target":"Vega"},{"end":"2026-04-24T03:30Z","end_local":"06:30","hours":2.5,"mean_quality":0.0,"start":"2026-04-24T01:00Z","start_local":"04:00","target":null}],"targets":[{"best_window":{"end":"2026-04-24T01:00Z","end_local":"04:00","hours":3.92,"label":"good","mean_quality":0.84,"start":"2026-04-23T21:05Z","start_local":"00:05"},"dec":38.78368896,"moon_separation":114.1,"name":"Vega","quality_hours":3.6,"ra":279.23473479,"resolved":{"common_name":"Vega","dec":38.78368896,"name":"* alf Lyr","ra":279.23473479,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Vega","source":"sesame","spectral_type":"A0V","type":"dS*","type_text":"delta Scuti variable","vmag":0.03},"score":74,"score_astronomy":100,"score_weather":74,"transit":{"airmass":1.0,"alt":87.1,"az":179.1,"t":"2026-04-24T02:50Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-04-23T20:25Z","end_local":"23:25","hours":3.25,"label":"unusable","mean_quality":0.0,"start":"2026-04-23T17:10Z","start_local":"20:10"},{"end":"2026-04-23T21:05Z","end_local":"00:05","hours":0.67,"label":"marginal","mean_quality":0.46,"start":"2026-04-23T20:25Z","start_local":"23:25"},{"end":"2026-04-24T01:00Z","end_local":"04:00","hours":3.92,"label":"good","mean_quality":0.84,"start":"2026-04-23T21:05Z","start_local":"00:05"},{"end":"2026-04-24T03:30Z","end_local":"06:30","hours":2.5,"label":"unusable","mean_quality":0.0,"start":"2026-04-24T01:00Z","start_local":"04:00"}]}],"unscheduled":[],"warnings":[]}
