{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2039-09-04","schedule":[{"end":"2039-09-04T22:05Z","end_local":"01:05","hours":5.33,"mean_quality":0.0,"start":"2039-09-04T16:45Z","start_local":"19:45","target":null},{"end":"2039-09-05T02:15Z","end_local":"05:15","hours":4.17,"mean_quality":0.43,"start":"2039-09-04T22:05Z","start_local":"01:05","target":"M45"},{"end":"2039-09-05T03:55Z","end_local":"06:55","hours":1.67,"mean_quality":0.0,"start":"2039-09-05T02:15Z","start_local":"05:15","target":null}],"targets":[{"best_window":{"end":"2039-09-05T02:15Z","end_local":"05:15","hours":4.17,"label":"marginal","mean_quality":0.43,"start":"2039-09-04T22:05Z","start_local":"01:05"},"dec":24.11388889,"moon_separation":51.8,"name":"M45","quality_hours":2.1,"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":72.5,"az":181.2,"t":"2039-09-05T03:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2039-09-04T21:40Z","end_local":"00:40","hours":4.92,"label":"unusable","mean_quality":0.0,"start":"2039-09-04T16:45Z","start_local":"19:45"},{"end":"2039-09-04T22:05Z","end_local":"01:05","hours":0.42,"label":"poor","mean_quality":0.25,"start":"2039-09-04T21:40Z","start_local":"00:40"},{"end":"2039-09-05T02:15Z","end_local":"05:15","hours":4.17,"label":"marginal","mean_quality":0.43,"start":"2039-09-04T22:05Z","start_local":"01:05"},{"end":"2039-09-05T03:25Z","end_local":"06:25","hours":1.17,"label":"poor","mean_quality":0.17,"start":"2039-09-05T02:15Z","start_local":"05:15"},{"end":"2039-09-05T03:55Z","end_local":"06:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2039-09-05T03:25Z","start_local":"06:25"}]}],"unscheduled":[],"warnings":[]}
