{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-08-14","schedule":[{"end":"2027-08-14T19:10Z","end_local":"22:10","hours":1.83,"mean_quality":0.0,"start":"2027-08-14T17:20Z","start_local":"20:20","target":null},{"end":"2027-08-15T01:55Z","end_local":"04:55","hours":6.75,"mean_quality":0.55,"start":"2027-08-14T19:10Z","start_local":"22:10","target":"HD 189733"},{"end":"2027-08-15T03:30Z","end_local":"06:30","hours":1.58,"mean_quality":0.0,"start":"2027-08-15T01:55Z","start_local":"04:55","target":null}],"targets":[{"best_window":{"end":"2027-08-15T01:45Z","end_local":"04:45","hours":0.42,"label":"good","mean_quality":0.77,"start":"2027-08-15T01:20Z","start_local":"04:20"},"dec":22.71085365,"moon_separation":45.1,"name":"HD 189733","quality_hours":4.1,"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":81,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":179.5,"t":"2027-08-14T20:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-08-14T17:55Z","end_local":"20:55","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-08-14T17:20Z","start_local":"20:20"},{"end":"2027-08-14T19:10Z","end_local":"22:10","hours":1.25,"label":"poor","mean_quality":0.19,"start":"2027-08-14T17:55Z","start_local":"20:55"},{"end":"2027-08-15T01:20Z","end_local":"04:20","hours":6.17,"label":"marginal","mean_quality":0.55,"start":"2027-08-14T19:10Z","start_local":"22:10"},{"end":"2027-08-15T01:45Z","end_local":"04:45","hours":0.42,"label":"good","mean_quality":0.77,"start":"2027-08-15T01:20Z","start_local":"04:20"},{"end":"2027-08-15T01:55Z","end_local":"04:55","hours":0.17,"label":"marginal","mean_quality":0.33,"start":"2027-08-15T01:45Z","start_local":"04:45"},{"end":"2027-08-15T02:25Z","end_local":"05:25","hours":0.5,"label":"poor","mean_quality":0.25,"start":"2027-08-15T01:55Z","start_local":"04:55"},{"end":"2027-08-15T03:30Z","end_local":"06:30","hours":1.08,"label":"unusable","mean_quality":0.0,"start":"2027-08-15T02:25Z","start_local":"05:25"}]}],"unscheduled":[],"warnings":[]}