{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2031-03-27","schedule":[{"end":"2031-03-27T17:45Z","end_local":"19:45","hours":1.08,"mean_quality":0.0,"start":"2031-03-27T16:40Z","start_local":"18:40","target":null},{"end":"2031-03-27T19:30Z","end_local":"21:30","hours":1.75,"mean_quality":0.49,"start":"2031-03-27T17:45Z","start_local":"19:45","target":"M45"},{"end":"2031-03-28T04:15Z","end_local":"06:15","hours":8.75,"mean_quality":0.0,"start":"2031-03-27T19:30Z","start_local":"21:30","target":null}],"targets":[{"best_window":{"end":"2031-03-27T18:50Z","end_local":"20:50","hours":0.5,"label":"good","mean_quality":0.67,"start":"2031-03-27T18:20Z","start_local":"20:20"},"dec":24.11388889,"moon_separation":5.7,"name":"M45","quality_hours":0.92,"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":16,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":179.9,"t":"2031-03-27T13:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2031-03-27T17:10Z","end_local":"19:10","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2031-03-27T16:40Z","start_local":"18:40"},{"end":"2031-03-27T17:45Z","end_local":"19:45","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2031-03-27T17:10Z","start_local":"19:10"},{"end":"2031-03-27T18:20Z","end_local":"20:20","hours":0.58,"label":"marginal","mean_quality":0.36,"start":"2031-03-27T17:45Z","start_local":"19:45"},{"end":"2031-03-27T18:50Z","end_local":"20:50","hours":0.5,"label":"good","mean_quality":0.67,"start":"2031-03-27T18:20Z","start_local":"20:20"},{"end":"2031-03-27T19:30Z","end_local":"21:30","hours":0.67,"label":"marginal","mean_quality":0.47,"start":"2031-03-27T18:50Z","start_local":"20:50"},{"end":"2031-03-28T04:15Z","end_local":"06:15","hours":8.75,"label":"unusable","mean_quality":0.0,"start":"2031-03-27T19:30Z","start_local":"21:30"}]}],"unscheduled":[],"warnings":[]}