{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-04-23","schedule":[{"end":"2025-04-23T22:00Z","end_local":"01:00","hours":4.83,"mean_quality":0.0,"start":"2025-04-23T17:10Z","start_local":"20:10","target":null},{"end":"2025-04-24T02:25Z","end_local":"05:25","hours":4.42,"mean_quality":0.6,"start":"2025-04-23T22:00Z","start_local":"01:00","target":"Vega"},{"end":"2025-04-24T03:30Z","end_local":"06:30","hours":1.08,"mean_quality":0.0,"start":"2025-04-24T02:25Z","start_local":"05:25","target":null}],"targets":[{"best_window":{"end":"2025-04-24T01:45Z","end_local":"04:45","hours":2.67,"label":"good","mean_quality":0.73,"start":"2025-04-23T23:05Z","start_local":"02:05"},"dec":38.78368896,"moon_separation":75.5,"name":"Vega","quality_hours":2.72,"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":100,"score_weather":54,"transit":{"airmass":1.0,"alt":87.1,"az":182.9,"t":"2025-04-24T02:50Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2025-04-23T22:00Z","end_local":"01:00","hours":4.83,"label":"unusable","mean_quality":0.0,"start":"2025-04-23T17:10Z","start_local":"20:10"},{"end":"2025-04-23T23:05Z","end_local":"02:05","hours":1.08,"label":"marginal","mean_quality":0.43,"start":"2025-04-23T22:00Z","start_local":"01:00"},{"end":"2025-04-24T01:45Z","end_local":"04:45","hours":2.67,"label":"good","mean_quality":0.73,"start":"2025-04-23T23:05Z","start_local":"02:05"},{"end":"2025-04-24T02:25Z","end_local":"05:25","hours":0.67,"label":"marginal","mean_quality":0.34,"start":"2025-04-24T01:45Z","start_local":"04:45"},{"end":"2025-04-24T03:00Z","end_local":"06:00","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2025-04-24T02:25Z","start_local":"05:25"},{"end":"2025-04-24T03:30Z","end_local":"06:30","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-04-24T03:00Z","start_local":"06:00"}]}],"unscheduled":[],"warnings":[]}