{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-08-10","schedule":[{"end":"2025-08-10T18:40Z","end_local":"21:40","hours":1.25,"mean_quality":0.0,"start":"2025-08-10T17:25Z","start_local":"20:25","target":null},{"end":"2025-08-11T01:40Z","end_local":"04:40","hours":7.0,"mean_quality":0.49,"start":"2025-08-10T18:40Z","start_local":"21:40","target":"HD 189733"},{"end":"2025-08-11T03:30Z","end_local":"06:30","hours":1.83,"mean_quality":0.0,"start":"2025-08-11T01:40Z","start_local":"04:40","target":null}],"targets":[{"best_window":{"end":"2025-08-10T19:55Z","end_local":"22:55","hours":0.58,"label":"good","mean_quality":0.61,"start":"2025-08-10T19:20Z","start_local":"22:20"},"dec":22.71085365,"moon_separation":50.9,"name":"HD 189733","quality_hours":3.61,"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":57,"score_weather":100,"transit":{"airmass":1.06,"alt":71.1,"az":180.4,"t":"2025-08-10T21:05Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2025-08-10T18:00Z","end_local":"21:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-08-10T17:25Z","start_local":"20:25"},{"end":"2025-08-10T18:40Z","end_local":"21:40","hours":0.67,"label":"poor","mean_quality":0.12,"start":"2025-08-10T18:00Z","start_local":"21:00"},{"end":"2025-08-10T19:20Z","end_local":"22:20","hours":0.67,"label":"marginal","mean_quality":0.32,"start":"2025-08-10T18:40Z","start_local":"21:40"},{"end":"2025-08-10T19:55Z","end_local":"22:55","hours":0.58,"label":"good","mean_quality":0.61,"start":"2025-08-10T19:20Z","start_local":"22:20"},{"end":"2025-08-11T01:40Z","end_local":"04:40","hours":5.75,"label":"marginal","mean_quality":0.49,"start":"2025-08-10T19:55Z","start_local":"22:55"},{"end":"2025-08-11T02:40Z","end_local":"05:40","hours":1.0,"label":"poor","mean_quality":0.13,"start":"2025-08-11T01:40Z","start_local":"04:40"},{"end":"2025-08-11T03:30Z","end_local":"06:30","hours":0.83,"label":"unusable","mean_quality":0.0,"start":"2025-08-11T02:40Z","start_local":"05:40"}]}],"unscheduled":[],"warnings":[]}