{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-08-09","schedule":[{"end":"2028-08-09T18:40Z","end_local":"21:40","hours":1.25,"mean_quality":0.0,"start":"2028-08-09T17:25Z","start_local":"20:25","target":null},{"end":"2028-08-10T01:40Z","end_local":"04:40","hours":7.0,"mean_quality":0.61,"start":"2028-08-09T18:40Z","start_local":"21:40","target":"HD 189733"},{"end":"2028-08-10T03:25Z","end_local":"06:25","hours":1.75,"mean_quality":0.0,"start":"2028-08-10T01:40Z","start_local":"04:40","target":null}],"targets":[{"best_window":{"end":"2028-08-09T23:20Z","end_local":"02:20","hours":4.0,"label":"good","mean_quality":0.68,"start":"2028-08-09T19:20Z","start_local":"22:20"},"dec":22.71085365,"moon_separation":64.2,"name":"HD 189733","quality_hours":4.49,"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":null,"score_astronomy":76,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":178.2,"t":"2028-08-09T21:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-08-09T18:00Z","end_local":"21:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-08-09T17:25Z","start_local":"20:25"},{"end":"2028-08-09T18:40Z","end_local":"21:40","hours":0.67,"label":"poor","mean_quality":0.14,"start":"2028-08-09T18:00Z","start_local":"21:00"},{"end":"2028-08-09T19:20Z","end_local":"22:20","hours":0.67,"label":"marginal","mean_quality":0.45,"start":"2028-08-09T18:40Z","start_local":"21:40"},{"end":"2028-08-09T23:20Z","end_local":"02:20","hours":4.0,"label":"good","mean_quality":0.68,"start":"2028-08-09T19:20Z","start_local":"22:20"},{"end":"2028-08-10T01:40Z","end_local":"04:40","hours":2.33,"label":"marginal","mean_quality":0.53,"start":"2028-08-09T23:20Z","start_local":"02:20"},{"end":"2028-08-10T02:40Z","end_local":"05:40","hours":1.0,"label":"poor","mean_quality":0.15,"start":"2028-08-10T01:40Z","start_local":"04:40"},{"end":"2028-08-10T03:25Z","end_local":"06:25","hours":0.75,"label":"unusable","mean_quality":0.0,"start":"2028-08-10T02:40Z","start_local":"05:40"}]}],"unscheduled":[],"warnings":[]}