{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-08-09","schedule":[{"end":"2027-08-09T18:40Z","end_local":"21:40","hours":1.25,"mean_quality":0.0,"start":"2027-08-09T17:25Z","start_local":"20:25","target":null},{"end":"2027-08-10T02:15Z","end_local":"05:15","hours":7.58,"mean_quality":0.84,"start":"2027-08-09T18:40Z","start_local":"21:40","target":"HD 189733"},{"end":"2027-08-10T03:25Z","end_local":"06:25","hours":1.17,"mean_quality":0.0,"start":"2027-08-10T02:15Z","start_local":"05:15","target":null}],"targets":[{"best_window":{"end":"2027-08-10T01:40Z","end_local":"04:40","hours":6.33,"label":"good","mean_quality":0.93,"start":"2027-08-09T19:20Z","start_local":"22:20"},"dec":22.71085365,"moon_separation":81.1,"name":"HD 189733","quality_hours":6.48,"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":100,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":179.7,"t":"2027-08-09T21:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-08-09T18:05Z","end_local":"21:05","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2027-08-09T17:25Z","start_local":"20:25"},{"end":"2027-08-09T18:40Z","end_local":"21:40","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2027-08-09T18:05Z","start_local":"21:05"},{"end":"2027-08-09T19:20Z","end_local":"22:20","hours":0.67,"label":"marginal","mean_quality":0.41,"start":"2027-08-09T18:40Z","start_local":"21:40"},{"end":"2027-08-10T01:40Z","end_local":"04:40","hours":6.33,"label":"good","mean_quality":0.93,"start":"2027-08-09T19:20Z","start_local":"22:20"},{"end":"2027-08-10T02:15Z","end_local":"05:15","hours":0.58,"label":"marginal","mean_quality":0.37,"start":"2027-08-10T01:40Z","start_local":"04:40"},{"end":"2027-08-10T02:45Z","end_local":"05:45","hours":0.5,"label":"poor","mean_quality":0.11,"start":"2027-08-10T02:15Z","start_local":"05:15"},{"end":"2027-08-10T03:25Z","end_local":"06:25","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2027-08-10T02:45Z","start_local":"05:45"}]}],"unscheduled":[],"warnings":[]}