{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2047-09-11","schedule":[{"end":"2047-09-11T21:15Z","end_local":"00:15","hours":4.67,"mean_quality":0.0,"start":"2047-09-11T16:35Z","start_local":"19:35","target":null},{"end":"2047-09-12T02:25Z","end_local":"05:25","hours":5.17,"mean_quality":0.57,"start":"2047-09-11T21:15Z","start_local":"00:15","target":"M45"},{"end":"2047-09-12T04:00Z","end_local":"07:00","hours":1.58,"mean_quality":0.0,"start":"2047-09-12T02:25Z","start_local":"05:25","target":null}],"targets":[{"best_window":{"end":"2047-09-12T01:20Z","end_local":"04:20","hours":1.33,"label":"good","mean_quality":0.61,"start":"2047-09-12T00:00Z","start_local":"03:00"},"dec":24.11388889,"moon_separation":13.5,"name":"M45","quality_hours":3.14,"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":48,"score_weather":null,"transit":{"airmass":1.05,"alt":72.6,"az":179.2,"t":"2047-09-12T02:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2047-09-11T21:15Z","end_local":"00:15","hours":4.67,"label":"unusable","mean_quality":0.0,"start":"2047-09-11T16:35Z","start_local":"19:35"},{"end":"2047-09-12T00:00Z","end_local":"03:00","hours":2.75,"label":"marginal","mean_quality":0.54,"start":"2047-09-11T21:15Z","start_local":"00:15"},{"end":"2047-09-12T01:20Z","end_local":"04:20","hours":1.33,"label":"good","mean_quality":0.61,"start":"2047-09-12T00:00Z","start_local":"03:00"},{"end":"2047-09-12T02:25Z","end_local":"05:25","hours":1.08,"label":"marginal","mean_quality":0.59,"start":"2047-09-12T01:20Z","start_local":"04:20"},{"end":"2047-09-12T03:30Z","end_local":"06:30","hours":1.08,"label":"poor","mean_quality":0.19,"start":"2047-09-12T02:25Z","start_local":"05:25"},{"end":"2047-09-12T04:00Z","end_local":"07:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2047-09-12T03:30Z","start_local":"06:30"}]}],"unscheduled":[],"warnings":[]}