{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-04-04","schedule":[{"end":"2026-04-05T04:00Z","end_local":"07:00","hours":11.25,"mean_quality":0.0,"start":"2026-04-04T16:45Z","start_local":"19:45","target":null}],"targets":[{"best_window":null,"dec":38.78368896,"moon_separation":79.8,"name":"Vega","quality_hours":0.65,"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":12,"score_astronomy":57,"score_weather":20,"transit":{"airmass":1.0,"alt":87.1,"az":180.2,"t":"2026-04-05T04:05Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-04-04T21:40Z","end_local":"00:40","hours":4.92,"label":"unusable","mean_quality":0.0,"start":"2026-04-04T16:45Z","start_local":"19:45"},{"end":"2026-04-05T01:00Z","end_local":"04:00","hours":3.33,"label":"poor","mean_quality":0.19,"start":"2026-04-04T21:40Z","start_local":"00:40"},{"end":"2026-04-05T04:00Z","end_local":"07:00","hours":3.0,"label":"unusable","mean_quality":0.0,"start":"2026-04-05T01:00Z","start_local":"04:00"}]}],"unscheduled":[{"name":"Vega","why":"no usable window tonight"}],"warnings":[]}
