{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2040-09-24","schedule":[{"end":"2040-09-24T20:40Z","end_local":"23:40","hours":4.5,"mean_quality":0.0,"start":"2040-09-24T16:10Z","start_local":"19:10","target":null},{"end":"2040-09-25T02:40Z","end_local":"05:40","hours":6.0,"mean_quality":0.4,"start":"2040-09-24T20:40Z","start_local":"23:40","target":"M45"},{"end":"2040-09-25T04:15Z","end_local":"07:15","hours":1.58,"mean_quality":0.0,"start":"2040-09-25T02:40Z","start_local":"05:40","target":null}],"targets":[{"best_window":{"end":"2040-09-25T02:40Z","end_local":"05:40","hours":6.0,"label":"marginal","mean_quality":0.4,"start":"2040-09-24T20:40Z","start_local":"23:40"},"dec":24.11388889,"moon_separation":6.0,"name":"M45","quality_hours":2.62,"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":27,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":178.6,"t":"2040-09-25T01:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2040-09-24T20:20Z","end_local":"23:20","hours":4.17,"label":"unusable","mean_quality":0.0,"start":"2040-09-24T16:10Z","start_local":"19:10"},{"end":"2040-09-24T20:40Z","end_local":"23:40","hours":0.33,"label":"poor","mean_quality":0.27,"start":"2040-09-24T20:20Z","start_local":"23:20"},{"end":"2040-09-25T02:40Z","end_local":"05:40","hours":6.0,"label":"marginal","mean_quality":0.4,"start":"2040-09-24T20:40Z","start_local":"23:40"},{"end":"2040-09-25T03:45Z","end_local":"06:45","hours":1.08,"label":"poor","mean_quality":0.13,"start":"2040-09-25T02:40Z","start_local":"05:40"},{"end":"2040-09-25T04:15Z","end_local":"07:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2040-09-25T03:45Z","start_local":"06:45"}]}],"unscheduled":[],"warnings":[]}