{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-09-25","schedule":[{"end":"2028-09-25T20:15Z","end_local":"23:15","hours":4.08,"mean_quality":0.0,"start":"2028-09-25T16:10Z","start_local":"19:10","target":null},{"end":"2028-09-26T03:15Z","end_local":"06:15","hours":7.0,"mean_quality":0.87,"start":"2028-09-25T20:15Z","start_local":"23:15","target":"M45"},{"end":"2028-09-26T04:15Z","end_local":"07:15","hours":1.0,"mean_quality":0.0,"start":"2028-09-26T03:15Z","start_local":"06:15","target":null}],"targets":[{"best_window":{"end":"2028-09-26T02:45Z","end_local":"05:45","hours":6.0,"label":"good","mean_quality":0.94,"start":"2028-09-25T20:45Z","start_local":"23:45"},"dec":24.11388889,"moon_separation":141.9,"name":"M45","quality_hours":6.2,"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":181.8,"t":"2028-09-26T01:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-09-25T20:15Z","end_local":"23:15","hours":4.08,"label":"unusable","mean_quality":0.0,"start":"2028-09-25T16:10Z","start_local":"19:10"},{"end":"2028-09-25T20:45Z","end_local":"23:45","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2028-09-25T20:15Z","start_local":"23:15"},{"end":"2028-09-26T02:45Z","end_local":"05:45","hours":6.0,"label":"good","mean_quality":0.94,"start":"2028-09-25T20:45Z","start_local":"23:45"},{"end":"2028-09-26T03:15Z","end_local":"06:15","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2028-09-26T02:45Z","start_local":"05:45"},{"end":"2028-09-26T03:50Z","end_local":"06:50","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2028-09-26T03:15Z","start_local":"06:15"},{"end":"2028-09-26T04:15Z","end_local":"07:15","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2028-09-26T03:50Z","start_local":"06:50"}]}],"unscheduled":[],"warnings":[]}