{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2026-12-01","schedule":[{"end":"2026-12-01T16:20Z","end_local":"18:20","hours":1.5,"mean_quality":0.0,"start":"2026-12-01T14:50Z","start_local":"16:50","target":null},{"end":"2026-12-02T03:05Z","end_local":"05:05","hours":10.75,"mean_quality":0.87,"start":"2026-12-01T16:20Z","start_local":"18:20","target":"M45"},{"end":"2026-12-02T05:30Z","end_local":"07:30","hours":2.42,"mean_quality":0.0,"start":"2026-12-02T03:05Z","start_local":"05:05","target":null}],"targets":[{"best_window":{"end":"2026-12-02T02:30Z","end_local":"04:30","hours":9.92,"label":"good","mean_quality":0.91,"start":"2026-12-01T16:35Z","start_local":"18:35"},"dec":24.11388889,"moon_separation":108.4,"name":"M45","quality_hours":9.46,"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":null,"score_astronomy":100,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":179.2,"t":"2026-12-01T21:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-01T15:55Z","end_local":"17:55","hours":1.08,"label":"unusable","mean_quality":0.0,"start":"2026-12-01T14:50Z","start_local":"16:50"},{"end":"2026-12-01T16:20Z","end_local":"18:20","hours":0.42,"label":"poor","mean_quality":0.22,"start":"2026-12-01T15:55Z","start_local":"17:55"},{"end":"2026-12-01T16:35Z","end_local":"18:35","hours":0.25,"label":"marginal","mean_quality":0.33,"start":"2026-12-01T16:20Z","start_local":"18:20"},{"end":"2026-12-02T02:30Z","end_local":"04:30","hours":9.92,"label":"good","mean_quality":0.91,"start":"2026-12-01T16:35Z","start_local":"18:35"},{"end":"2026-12-02T03:05Z","end_local":"05:05","hours":0.58,"label":"marginal","mean_quality":0.48,"start":"2026-12-02T02:30Z","start_local":"04:30"},{"end":"2026-12-02T05:30Z","end_local":"07:30","hours":2.42,"label":"unusable","mean_quality":0.0,"start":"2026-12-02T03:05Z","start_local":"05:05"}]}],"unscheduled":[],"warnings":[]}
