{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-09-25","schedule":[{"end":"2025-09-26T04:15Z","end_local":"07:15","hours":12.08,"mean_quality":0.0,"start":"2025-09-25T16:10Z","start_local":"19:10","target":null}],"targets":[{"best_window":null,"dec":38.78368896,"moon_separation":79.2,"name":"Vega","quality_hours":0.02,"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":0,"score_astronomy":100,"score_weather":0,"transit":{"airmass":1.0,"alt":87.1,"az":180.6,"t":"2025-09-25T16:40Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2025-09-25T16:45Z","end_local":"19:45","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-09-25T16:10Z","start_local":"19:10"},{"end":"2025-09-25T17:00Z","end_local":"20:00","hours":0.25,"label":"poor","mean_quality":0.06,"start":"2025-09-25T16:45Z","start_local":"19:45"},{"end":"2025-09-26T04:15Z","end_local":"07:15","hours":11.25,"label":"unusable","mean_quality":0.0,"start":"2025-09-25T17:00Z","start_local":"20:00"}]}],"unscheduled":[{"name":"Vega","why":"Overcast (\u226580 % cloud) for 10.8 of 11.0 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}