{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-06-15","schedule":[{"end":"2026-06-15T19:50Z","end_local":"22:50","hours":1.92,"mean_quality":0.0,"start":"2026-06-15T17:55Z","start_local":"20:55","target":null},{"end":"2026-06-15T20:00Z","end_local":"23:00","hours":0.17,"mean_quality":0.31,"start":"2026-06-15T19:50Z","start_local":"22:50","target":"HD 189733"},{"end":"2026-06-15T20:10Z","end_local":"23:10","hours":0.17,"mean_quality":0.0,"start":"2026-06-15T20:00Z","start_local":"23:00","target":null},{"end":"2026-06-16T01:00Z","end_local":"04:00","hours":4.83,"mean_quality":0.6,"start":"2026-06-15T20:10Z","start_local":"23:10","target":"HD 189733"},{"end":"2026-06-16T02:50Z","end_local":"05:50","hours":1.83,"mean_quality":0.0,"start":"2026-06-16T01:00Z","start_local":"04:00","target":null}],"targets":[{"best_window":{"end":"2026-06-16T00:40Z","end_local":"03:40","hours":1.67,"label":"good","mean_quality":0.72,"start":"2026-06-15T23:00Z","start_local":"02:00"},"dec":22.71085365,"moon_separation":125.2,"name":"HD 189733","quality_hours":3.19,"ra":300.18213726,"resolved":{"dec":22.71085365,"name":"HD 189733","ra":300.18213726,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=HD%20189733","source":"sesame","spectral_type":"K2V","type":"BY*","type_text":"BY Draconis variable \u2014 a spotted, rotating star","vmag":7.648},"score":64,"score_astronomy":100,"score_weather":64,"transit":{"airmass":1.06,"alt":71.1,"az":179.5,"t":"2026-06-16T00:45Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-06-15T19:15Z","end_local":"22:15","hours":1.33,"label":"unusable","mean_quality":0.0,"start":"2026-06-15T17:55Z","start_local":"20:55"},{"end":"2026-06-15T19:50Z","end_local":"22:50","hours":0.58,"label":"poor","mean_quality":0.22,"start":"2026-06-15T19:15Z","start_local":"22:15"},{"end":"2026-06-15T20:00Z","end_local":"23:00","hours":0.17,"label":"marginal","mean_quality":0.31,"start":"2026-06-15T19:50Z","start_local":"22:50"},{"end":"2026-06-15T20:10Z","end_local":"23:10","hours":0.17,"label":"poor","mean_quality":0.29,"start":"2026-06-15T20:00Z","start_local":"23:00"},{"end":"2026-06-15T21:00Z","end_local":"00:00","hours":0.83,"label":"good","mean_quality":0.65,"start":"2026-06-15T20:10Z","start_local":"23:10"},{"end":"2026-06-15T23:00Z","end_local":"02:00","hours":2.0,"label":"marginal","mean_quality":0.52,"start":"2026-06-15T21:00Z","start_local":"00:00"},{"end":"2026-06-16T00:40Z","end_local":"03:40","hours":1.67,"label":"good","mean_quality":0.72,"start":"2026-06-15T23:00Z","start_local":"02:00"},{"end":"2026-06-16T01:00Z","end_local":"04:00","hours":0.33,"label":"marginal","mean_quality":0.41,"start":"2026-06-16T00:40Z","start_local":"03:40"},{"end":"2026-06-16T02:00Z","end_local":"05:00","hours":1.0,"label":"poor","mean_quality":0.05,"start":"2026-06-16T01:00Z","start_local":"04:00"},{"end":"2026-06-16T02:50Z","end_local":"05:50","hours":0.83,"label":"unusable","mean_quality":0.0,"start":"2026-06-16T02:00Z","start_local":"05:00"}]}],"unscheduled":[],"warnings":[]}