{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-09-15","schedule":[{"end":"2028-09-15T20:55Z","end_local":"23:55","hours":4.5,"mean_quality":0.0,"start":"2028-09-15T16:25Z","start_local":"19:25","target":null},{"end":"2028-09-16T03:05Z","end_local":"06:05","hours":6.17,"mean_quality":0.84,"start":"2028-09-15T20:55Z","start_local":"23:55","target":"M45"},{"end":"2028-09-16T04:05Z","end_local":"07:05","hours":1.0,"mean_quality":0.0,"start":"2028-09-16T03:05Z","start_local":"06:05","target":null}],"targets":[{"best_window":{"end":"2028-09-16T02:30Z","end_local":"05:30","hours":5.17,"label":"good","mean_quality":0.91,"start":"2028-09-15T21:20Z","start_local":"00:20"},"dec":24.11388889,"moon_separation":74.0,"name":"M45","quality_hours":5.27,"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":178.6,"t":"2028-09-16T02:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-09-15T20:55Z","end_local":"23:55","hours":4.5,"label":"unusable","mean_quality":0.0,"start":"2028-09-15T16:25Z","start_local":"19:25"},{"end":"2028-09-15T21:20Z","end_local":"00:20","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2028-09-15T20:55Z","start_local":"23:55"},{"end":"2028-09-16T02:30Z","end_local":"05:30","hours":5.17,"label":"good","mean_quality":0.91,"start":"2028-09-15T21:20Z","start_local":"00:20"},{"end":"2028-09-16T03:05Z","end_local":"06:05","hours":0.58,"label":"marginal","mean_quality":0.48,"start":"2028-09-16T02:30Z","start_local":"05:30"},{"end":"2028-09-16T03:35Z","end_local":"06:35","hours":0.5,"label":"poor","mean_quality":0.14,"start":"2028-09-16T03:05Z","start_local":"06:05"},{"end":"2028-09-16T04:05Z","end_local":"07:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-09-16T03:35Z","start_local":"06:35"}]}],"unscheduled":[],"warnings":[]}