{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-07-15","schedule":[{"end":"2026-07-15T20:00Z","end_local":"23:00","hours":2.17,"mean_quality":0.0,"start":"2026-07-15T17:50Z","start_local":"20:50","target":null},{"end":"2026-07-15T22:00Z","end_local":"01:00","hours":2.0,"mean_quality":0.48,"start":"2026-07-15T20:00Z","start_local":"23:00","target":"HD 189733"},{"end":"2026-07-15T23:00Z","end_local":"02:00","hours":1.0,"mean_quality":0.0,"start":"2026-07-15T22:00Z","start_local":"01:00","target":null},{"end":"2026-07-16T01:50Z","end_local":"04:50","hours":2.83,"mean_quality":0.79,"start":"2026-07-15T23:00Z","start_local":"02:00","target":"HD 189733"},{"end":"2026-07-16T03:05Z","end_local":"06:05","hours":1.25,"mean_quality":0.0,"start":"2026-07-16T01:50Z","start_local":"04:50","target":null}],"targets":[{"best_window":{"end":"2026-07-16T01:00Z","end_local":"04:00","hours":2.0,"label":"good","mean_quality":0.93,"start":"2026-07-15T23:00Z","start_local":"02:00"},"dec":22.71085365,"moon_separation":136.1,"name":"HD 189733","quality_hours":3.38,"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":57,"score_astronomy":100,"score_weather":57,"transit":{"airmass":1.06,"alt":71.1,"az":181.6,"t":"2026-07-15T22:50Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-07-15T18:30Z","end_local":"21:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-07-15T17:50Z","start_local":"20:50"},{"end":"2026-07-15T20:00Z","end_local":"23:00","hours":1.5,"label":"poor","mean_quality":0.06,"start":"2026-07-15T18:30Z","start_local":"21:30"},{"end":"2026-07-15T21:00Z","end_local":"00:00","hours":1.0,"label":"good","mean_quality":0.66,"start":"2026-07-15T20:00Z","start_local":"23:00"},{"end":"2026-07-15T22:00Z","end_local":"01:00","hours":1.0,"label":"marginal","mean_quality":0.31,"start":"2026-07-15T21:00Z","start_local":"00:00"},{"end":"2026-07-15T23:00Z","end_local":"02:00","hours":1.0,"label":"unusable","mean_quality":0.0,"start":"2026-07-15T22:00Z","start_local":"01:00"},{"end":"2026-07-16T01:00Z","end_local":"04:00","hours":2.0,"label":"good","mean_quality":0.93,"start":"2026-07-15T23:00Z","start_local":"02:00"},{"end":"2026-07-16T01:50Z","end_local":"04:50","hours":0.83,"label":"marginal","mean_quality":0.45,"start":"2026-07-16T01:00Z","start_local":"04:00"},{"end":"2026-07-16T02:30Z","end_local":"05:30","hours":0.67,"label":"poor","mean_quality":0.13,"start":"2026-07-16T01:50Z","start_local":"04:50"},{"end":"2026-07-16T03:05Z","end_local":"06:05","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-07-16T02:30Z","start_local":"05:30"}]}],"unscheduled":[],"warnings":[]}