{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2031-10-03","schedule":[{"end":"2031-10-03T20:20Z","end_local":"23:20","hours":4.33,"mean_quality":0.0,"start":"2031-10-03T16:00Z","start_local":"19:00","target":null},{"end":"2031-10-04T02:50Z","end_local":"05:50","hours":6.5,"mean_quality":0.34,"start":"2031-10-03T20:20Z","start_local":"23:20","target":"M45"},{"end":"2031-10-04T04:25Z","end_local":"07:25","hours":1.58,"mean_quality":0.0,"start":"2031-10-04T02:50Z","start_local":"05:50","target":null}],"targets":[{"best_window":{"end":"2031-10-04T02:50Z","end_local":"05:50","hours":6.5,"label":"marginal","mean_quality":0.34,"start":"2031-10-03T20:20Z","start_local":"23:20"},"dec":24.11388889,"moon_separation":11.0,"name":"M45","quality_hours":2.47,"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":22,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":180.6,"t":"2031-10-04T01:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2031-10-03T19:45Z","end_local":"22:45","hours":3.75,"label":"unusable","mean_quality":0.0,"start":"2031-10-03T16:00Z","start_local":"19:00"},{"end":"2031-10-03T20:20Z","end_local":"23:20","hours":0.58,"label":"poor","mean_quality":0.25,"start":"2031-10-03T19:45Z","start_local":"22:45"},{"end":"2031-10-04T02:50Z","end_local":"05:50","hours":6.5,"label":"marginal","mean_quality":0.34,"start":"2031-10-03T20:20Z","start_local":"23:20"},{"end":"2031-10-04T03:55Z","end_local":"06:55","hours":1.08,"label":"poor","mean_quality":0.12,"start":"2031-10-04T02:50Z","start_local":"05:50"},{"end":"2031-10-04T04:25Z","end_local":"07:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2031-10-04T03:55Z","start_local":"06:55"}]}],"unscheduled":[],"warnings":[]}