{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2030-02-08","schedule":[{"end":"2030-02-08T16:50Z","end_local":"18:50","hours":1.08,"mean_quality":0.0,"start":"2030-02-08T15:45Z","start_local":"17:45","target":null},{"end":"2030-02-08T22:30Z","end_local":"00:30","hours":5.67,"mean_quality":0.68,"start":"2030-02-08T16:50Z","start_local":"18:50","target":"M45"},{"end":"2030-02-09T05:25Z","end_local":"07:25","hours":6.92,"mean_quality":0.0,"start":"2030-02-08T22:30Z","start_local":"00:30","target":null}],"targets":[{"best_window":{"end":"2030-02-08T21:50Z","end_local":"23:50","hours":4.5,"label":"good","mean_quality":0.74,"start":"2030-02-08T17:20Z","start_local":"19:20"},"dec":24.11388889,"moon_separation":26.3,"name":"M45","quality_hours":3.94,"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":77,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":180.9,"t":"2030-02-08T16:55Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2030-02-08T16:15Z","end_local":"18:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2030-02-08T15:45Z","start_local":"17:45"},{"end":"2030-02-08T16:50Z","end_local":"18:50","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2030-02-08T16:15Z","start_local":"18:15"},{"end":"2030-02-08T17:20Z","end_local":"19:20","hours":0.5,"label":"marginal","mean_quality":0.37,"start":"2030-02-08T16:50Z","start_local":"18:50"},{"end":"2030-02-08T21:50Z","end_local":"23:50","hours":4.5,"label":"good","mean_quality":0.74,"start":"2030-02-08T17:20Z","start_local":"19:20"},{"end":"2030-02-08T22:00Z","end_local":"00:00","hours":0.17,"label":"marginal","mean_quality":0.57,"start":"2030-02-08T21:50Z","start_local":"23:50"},{"end":"2030-02-08T22:05Z","end_local":"00:05","hours":0.08,"label":"good","mean_quality":0.62,"start":"2030-02-08T22:00Z","start_local":"00:00"},{"end":"2030-02-08T22:30Z","end_local":"00:30","hours":0.42,"label":"marginal","mean_quality":0.51,"start":"2030-02-08T22:05Z","start_local":"00:05"},{"end":"2030-02-09T05:25Z","end_local":"07:25","hours":6.92,"label":"unusable","mean_quality":0.0,"start":"2030-02-08T22:30Z","start_local":"00:30"}]}],"unscheduled":[],"warnings":[]}