{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2031-09-29","schedule":[{"end":"2031-09-29T20:25Z","end_local":"23:25","hours":4.33,"mean_quality":0.0,"start":"2031-09-29T16:05Z","start_local":"19:05","target":null},{"end":"2031-09-30T03:20Z","end_local":"06:20","hours":6.92,"mean_quality":0.51,"start":"2031-09-29T20:25Z","start_local":"23:25","target":"M45"},{"end":"2031-09-30T04:20Z","end_local":"07:20","hours":1.0,"mean_quality":0.0,"start":"2031-09-30T03:20Z","start_local":"06:20","target":null}],"targets":[{"best_window":{"end":"2031-09-30T02:45Z","end_local":"05:45","hours":1.67,"label":"good","mean_quality":0.64,"start":"2031-09-30T01:05Z","start_local":"04:05"},"dec":24.11388889,"moon_separation":64.4,"name":"M45","quality_hours":3.72,"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":63,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":180.1,"t":"2031-09-30T01:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2031-09-29T20:00Z","end_local":"23:00","hours":3.92,"label":"unusable","mean_quality":0.0,"start":"2031-09-29T16:05Z","start_local":"19:05"},{"end":"2031-09-29T20:25Z","end_local":"23:25","hours":0.42,"label":"poor","mean_quality":0.25,"start":"2031-09-29T20:00Z","start_local":"23:00"},{"end":"2031-09-30T01:05Z","end_local":"04:05","hours":4.67,"label":"marginal","mean_quality":0.49,"start":"2031-09-29T20:25Z","start_local":"23:25"},{"end":"2031-09-30T02:45Z","end_local":"05:45","hours":1.67,"label":"good","mean_quality":0.64,"start":"2031-09-30T01:05Z","start_local":"04:05"},{"end":"2031-09-30T03:20Z","end_local":"06:20","hours":0.58,"label":"marginal","mean_quality":0.35,"start":"2031-09-30T02:45Z","start_local":"05:45"},{"end":"2031-09-30T03:50Z","end_local":"06:50","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2031-09-30T03:20Z","start_local":"06:20"},{"end":"2031-09-30T04:20Z","end_local":"07:20","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2031-09-30T03:50Z","start_local":"06:50"}]}],"unscheduled":[],"warnings":[]}