{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-11-22","schedule":[{"end":"2025-11-22T17:05Z","end_local":"19:05","hours":2.17,"mean_quality":0.0,"start":"2025-11-22T14:55Z","start_local":"16:55","target":null},{"end":"2025-11-22T19:00Z","end_local":"21:00","hours":1.92,"mean_quality":0.55,"start":"2025-11-22T17:05Z","start_local":"19:05","target":"M45"},{"end":"2025-11-23T05:20Z","end_local":"07:20","hours":10.33,"mean_quality":0.0,"start":"2025-11-22T19:00Z","start_local":"21:00","target":null}],"targets":[{"best_window":{"end":"2025-11-22T19:00Z","end_local":"21:00","hours":1.0,"label":"good","mean_quality":0.72,"start":"2025-11-22T18:00Z","start_local":"20:00"},"dec":24.11388889,"moon_separation":150.2,"name":"M45","quality_hours":1.43,"ra":56.60083333,"resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"score":14,"score_astronomy":100,"score_weather":14,"transit":{"airmass":1.05,"alt":72.5,"az":179.7,"t":"2025-11-22T22:00Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-11-22T16:25Z","end_local":"18:25","hours":1.5,"label":"unusable","mean_quality":0.0,"start":"2025-11-22T14:55Z","start_local":"16:55"},{"end":"2025-11-22T17:05Z","end_local":"19:05","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2025-11-22T16:25Z","start_local":"18:25"},{"end":"2025-11-22T18:00Z","end_local":"20:00","hours":0.92,"label":"marginal","mean_quality":0.36,"start":"2025-11-22T17:05Z","start_local":"19:05"},{"end":"2025-11-22T19:00Z","end_local":"21:00","hours":1.0,"label":"good","mean_quality":0.72,"start":"2025-11-22T18:00Z","start_local":"20:00"},{"end":"2025-11-22T20:00Z","end_local":"22:00","hours":1.0,"label":"poor","mean_quality":0.28,"start":"2025-11-22T19:00Z","start_local":"21:00"},{"end":"2025-11-23T05:20Z","end_local":"07:20","hours":9.33,"label":"unusable","mean_quality":0.0,"start":"2025-11-22T20:00Z","start_local":"22:00"}]}],"unscheduled":[],"warnings":[]}