{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-03-27","schedule":[{"end":"2025-03-28T04:15Z","end_local":"06:15","hours":11.58,"mean_quality":0.0,"start":"2025-03-27T16:40Z","start_local":"18:40","target":null}],"targets":[{"best_window":null,"dec":38.78368896,"moon_separation":77.6,"name":"Vega","quality_hours":0.08,"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":2,"score_astronomy":100,"score_weather":2,"transit":{"airmass":1.0,"alt":87.1,"az":178.4,"t":"2025-03-28T04:35Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-03-28T03:00Z","end_local":"05:00","hours":10.33,"label":"unusable","mean_quality":0.0,"start":"2025-03-27T16:40Z","start_local":"18:40"},{"end":"2025-03-28T03:45Z","end_local":"05:45","hours":0.75,"label":"poor","mean_quality":0.11,"start":"2025-03-28T03:00Z","start_local":"05:00"},{"end":"2025-03-28T04:15Z","end_local":"06:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-03-28T03:45Z","start_local":"05:45"}]}],"unscheduled":[{"name":"Vega","why":"Overcast (\u226580 % cloud) for 9.8 of 10.6 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}