{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-04-28","schedule":[{"end":"2026-04-28T20:15Z","end_local":"23:15","hours":3.0,"mean_quality":0.0,"start":"2026-04-28T17:15Z","start_local":"20:15","target":null},{"end":"2026-04-29T02:15Z","end_local":"05:15","hours":6.0,"mean_quality":0.42,"start":"2026-04-28T20:15Z","start_local":"23:15","target":"Vega"},{"end":"2026-04-29T03:25Z","end_local":"06:25","hours":1.17,"mean_quality":0.0,"start":"2026-04-29T02:15Z","start_local":"05:15","target":null}],"targets":[{"best_window":{"end":"2026-04-29T01:35Z","end_local":"04:35","hours":0.58,"label":"good","mean_quality":0.81,"start":"2026-04-29T01:00Z","start_local":"04:00"},"dec":38.78368896,"moon_separation":96.2,"name":"Vega","quality_hours":2.67,"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":54,"score_astronomy":84,"score_weather":64,"transit":{"airmass":1.0,"alt":87.1,"az":177.7,"t":"2026-04-29T02:30Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-04-28T20:05Z","end_local":"23:05","hours":2.83,"label":"unusable","mean_quality":0.0,"start":"2026-04-28T17:15Z","start_local":"20:15"},{"end":"2026-04-28T20:15Z","end_local":"23:15","hours":0.17,"label":"poor","mean_quality":0.28,"start":"2026-04-28T20:05Z","start_local":"23:05"},{"end":"2026-04-29T01:00Z","end_local":"04:00","hours":4.75,"label":"marginal","mean_quality":0.37,"start":"2026-04-28T20:15Z","start_local":"23:15"},{"end":"2026-04-29T01:35Z","end_local":"04:35","hours":0.58,"label":"good","mean_quality":0.81,"start":"2026-04-29T01:00Z","start_local":"04:00"},{"end":"2026-04-29T02:15Z","end_local":"05:15","hours":0.67,"label":"marginal","mean_quality":0.45,"start":"2026-04-29T01:35Z","start_local":"04:35"},{"end":"2026-04-29T02:55Z","end_local":"05:55","hours":0.67,"label":"poor","mean_quality":0.14,"start":"2026-04-29T02:15Z","start_local":"05:15"},{"end":"2026-04-29T03:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-04-29T02:55Z","start_local":"05:55"}]}],"unscheduled":[],"warnings":[]}
