{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-09-03","schedule":[{"end":"2028-09-03T21:55Z","end_local":"00:55","hours":5.08,"mean_quality":0.0,"start":"2028-09-03T16:50Z","start_local":"19:50","target":null},{"end":"2028-09-04T02:50Z","end_local":"05:50","hours":4.92,"mean_quality":0.54,"start":"2028-09-03T21:55Z","start_local":"00:55","target":"M45"},{"end":"2028-09-04T03:55Z","end_local":"06:55","hours":1.08,"mean_quality":0.0,"start":"2028-09-04T02:50Z","start_local":"05:50","target":null}],"targets":[{"best_window":{"end":"2028-09-04T02:15Z","end_local":"05:15","hours":1.83,"label":"good","mean_quality":0.65,"start":"2028-09-04T00:25Z","start_local":"03:25"},"dec":24.11388889,"moon_separation":78.3,"name":"M45","quality_hours":2.8,"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":72.5,"az":180.7,"t":"2028-09-04T03:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-09-03T21:40Z","end_local":"00:40","hours":4.83,"label":"unusable","mean_quality":0.0,"start":"2028-09-03T16:50Z","start_local":"19:50"},{"end":"2028-09-03T21:55Z","end_local":"00:55","hours":0.25,"label":"poor","mean_quality":0.28,"start":"2028-09-03T21:40Z","start_local":"00:40"},{"end":"2028-09-04T00:25Z","end_local":"03:25","hours":2.5,"label":"marginal","mean_quality":0.5,"start":"2028-09-03T21:55Z","start_local":"00:55"},{"end":"2028-09-04T02:15Z","end_local":"05:15","hours":1.83,"label":"good","mean_quality":0.65,"start":"2028-09-04T00:25Z","start_local":"03:25"},{"end":"2028-09-04T02:50Z","end_local":"05:50","hours":0.58,"label":"marginal","mean_quality":0.35,"start":"2028-09-04T02:15Z","start_local":"05:15"},{"end":"2028-09-04T03:25Z","end_local":"06:25","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2028-09-04T02:50Z","start_local":"05:50"},{"end":"2028-09-04T03:55Z","end_local":"06:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-09-04T03:25Z","start_local":"06:25"}]}],"unscheduled":[],"warnings":[]}