{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2047-10-04","schedule":[{"end":"2047-10-04T23:00Z","end_local":"02:00","hours":7.08,"mean_quality":0.0,"start":"2047-10-04T15:55Z","start_local":"18:55","target":null},{"end":"2047-10-05T02:50Z","end_local":"05:50","hours":3.83,"mean_quality":0.36,"start":"2047-10-04T23:00Z","start_local":"02:00","target":"M45"},{"end":"2047-10-05T04:25Z","end_local":"07:25","hours":1.58,"mean_quality":0.0,"start":"2047-10-05T02:50Z","start_local":"05:50","target":null}],"targets":[{"best_window":{"end":"2047-10-05T02:50Z","end_local":"05:50","hours":3.83,"label":"marginal","mean_quality":0.36,"start":"2047-10-04T23:00Z","start_local":"02:00"},"dec":24.11388889,"moon_separation":37.6,"name":"M45","quality_hours":2.42,"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":26,"score_weather":null,"transit":{"airmass":1.05,"alt":72.6,"az":179.5,"t":"2047-10-05T01:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2047-10-04T19:40Z","end_local":"22:40","hours":3.75,"label":"unusable","mean_quality":0.0,"start":"2047-10-04T15:55Z","start_local":"18:55"},{"end":"2047-10-04T23:00Z","end_local":"02:00","hours":3.33,"label":"poor","mean_quality":0.26,"start":"2047-10-04T19:40Z","start_local":"22:40"},{"end":"2047-10-05T02:50Z","end_local":"05:50","hours":3.83,"label":"marginal","mean_quality":0.36,"start":"2047-10-04T23:00Z","start_local":"02:00"},{"end":"2047-10-05T03:55Z","end_local":"06:55","hours":1.08,"label":"poor","mean_quality":0.16,"start":"2047-10-05T02:50Z","start_local":"05:50"},{"end":"2047-10-05T04:25Z","end_local":"07:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2047-10-05T03:55Z","start_local":"06:55"}]}],"unscheduled":[],"warnings":[]}