{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-02-09","schedule":[{"end":"2028-02-09T16:50Z","end_local":"18:50","hours":1.08,"mean_quality":0.0,"start":"2028-02-09T15:45Z","start_local":"17:45","target":null},{"end":"2028-02-09T22:05Z","end_local":"00:05","hours":5.25,"mean_quality":0.49,"start":"2028-02-09T16:50Z","start_local":"18:50","target":"M45"},{"end":"2028-02-10T05:25Z","end_local":"07:25","hours":7.33,"mean_quality":0.0,"start":"2028-02-09T22:05Z","start_local":"00:05","target":null}],"targets":[{"best_window":{"end":"2028-02-09T18:05Z","end_local":"20:05","hours":0.67,"label":"good","mean_quality":0.61,"start":"2028-02-09T17:25Z","start_local":"19:25"},"dec":24.11388889,"moon_separation":71.3,"name":"M45","quality_hours":2.73,"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":43,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":178.6,"t":"2028-02-09T16:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-02-09T16:15Z","end_local":"18:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-02-09T15:45Z","start_local":"17:45"},{"end":"2028-02-09T16:50Z","end_local":"18:50","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2028-02-09T16:15Z","start_local":"18:15"},{"end":"2028-02-09T17:25Z","end_local":"19:25","hours":0.58,"label":"marginal","mean_quality":0.32,"start":"2028-02-09T16:50Z","start_local":"18:50"},{"end":"2028-02-09T18:05Z","end_local":"20:05","hours":0.67,"label":"good","mean_quality":0.61,"start":"2028-02-09T17:25Z","start_local":"19:25"},{"end":"2028-02-09T22:05Z","end_local":"00:05","hours":4.0,"label":"marginal","mean_quality":0.49,"start":"2028-02-09T18:05Z","start_local":"20:05"},{"end":"2028-02-09T22:30Z","end_local":"00:30","hours":0.42,"label":"poor","mean_quality":0.26,"start":"2028-02-09T22:05Z","start_local":"00:05"},{"end":"2028-02-10T05:25Z","end_local":"07:25","hours":6.92,"label":"unusable","mean_quality":0.0,"start":"2028-02-09T22:30Z","start_local":"00:30"}]}],"unscheduled":[],"warnings":[]}