{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-07-20","schedule":[{"end":"2026-07-20T19:05Z","end_local":"22:05","hours":1.25,"mean_quality":0.0,"start":"2026-07-20T17:50Z","start_local":"20:50","target":null},{"end":"2026-07-20T21:00Z","end_local":"00:00","hours":1.92,"mean_quality":0.5,"start":"2026-07-20T19:05Z","start_local":"22:05","target":"HD 189733"},{"end":"2026-07-20T23:00Z","end_local":"02:00","hours":2.0,"mean_quality":0.0,"start":"2026-07-20T21:00Z","start_local":"00:00","target":null},{"end":"2026-07-21T01:55Z","end_local":"04:55","hours":2.92,"mean_quality":0.71,"start":"2026-07-20T23:00Z","start_local":"02:00","target":"HD 189733"},{"end":"2026-07-21T03:05Z","end_local":"06:05","hours":1.17,"mean_quality":0.0,"start":"2026-07-21T01:55Z","start_local":"04:55","target":null}],"targets":[{"best_window":{"end":"2026-07-21T01:05Z","end_local":"04:05","hours":2.08,"label":"good","mean_quality":0.82,"start":"2026-07-20T23:00Z","start_local":"02:00"},"dec":22.71085365,"moon_separation":105.0,"name":"HD 189733","quality_hours":3.21,"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":54,"score_astronomy":100,"score_weather":54,"transit":{"airmass":1.06,"alt":71.1,"az":181.4,"t":"2026-07-20T22:30Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-07-20T18:25Z","end_local":"21:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-07-20T17:50Z","start_local":"20:50"},{"end":"2026-07-20T19:05Z","end_local":"22:05","hours":0.67,"label":"poor","mean_quality":0.11,"start":"2026-07-20T18:25Z","start_local":"21:25"},{"end":"2026-07-20T19:55Z","end_local":"22:55","hours":0.83,"label":"marginal","mean_quality":0.42,"start":"2026-07-20T19:05Z","start_local":"22:05"},{"end":"2026-07-20T20:00Z","end_local":"23:00","hours":0.08,"label":"good","mean_quality":0.87,"start":"2026-07-20T19:55Z","start_local":"22:55"},{"end":"2026-07-20T21:00Z","end_local":"00:00","hours":1.0,"label":"marginal","mean_quality":0.54,"start":"2026-07-20T20:00Z","start_local":"23:00"},{"end":"2026-07-20T23:00Z","end_local":"02:00","hours":2.0,"label":"unusable","mean_quality":0.0,"start":"2026-07-20T21:00Z","start_local":"00:00"},{"end":"2026-07-21T01:05Z","end_local":"04:05","hours":2.08,"label":"good","mean_quality":0.82,"start":"2026-07-20T23:00Z","start_local":"02:00"},{"end":"2026-07-21T01:55Z","end_local":"04:55","hours":0.83,"label":"marginal","mean_quality":0.46,"start":"2026-07-21T01:05Z","start_local":"04:05"},{"end":"2026-07-21T02:35Z","end_local":"05:35","hours":0.67,"label":"poor","mean_quality":0.13,"start":"2026-07-21T01:55Z","start_local":"04:55"},{"end":"2026-07-21T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-07-21T02:35Z","start_local":"05:35"}]}],"unscheduled":[],"warnings":[]}
