{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-08-16","schedule":[{"end":"2027-08-16T19:05Z","end_local":"22:05","hours":1.75,"mean_quality":0.0,"start":"2027-08-16T17:20Z","start_local":"20:20","target":null},{"end":"2027-08-17T01:50Z","end_local":"04:50","hours":6.75,"mean_quality":0.45,"start":"2027-08-16T19:05Z","start_local":"22:05","target":"HD 189733"},{"end":"2027-08-17T03:35Z","end_local":"06:35","hours":1.75,"mean_quality":0.0,"start":"2027-08-17T01:50Z","start_local":"04:50","target":null}],"targets":[{"best_window":{"end":"2027-08-17T01:50Z","end_local":"04:50","hours":6.75,"label":"marginal","mean_quality":0.45,"start":"2027-08-16T19:05Z","start_local":"22:05"},"dec":22.71085365,"moon_separation":42.6,"name":"HD 189733","quality_hours":3.31,"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":44,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":181.5,"t":"2027-08-16T20:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-08-16T17:50Z","end_local":"20:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-08-16T17:20Z","start_local":"20:20"},{"end":"2027-08-16T19:05Z","end_local":"22:05","hours":1.25,"label":"poor","mean_quality":0.17,"start":"2027-08-16T17:50Z","start_local":"20:50"},{"end":"2027-08-17T01:50Z","end_local":"04:50","hours":6.75,"label":"marginal","mean_quality":0.45,"start":"2027-08-16T19:05Z","start_local":"22:05"},{"end":"2027-08-17T02:15Z","end_local":"05:15","hours":0.42,"label":"poor","mean_quality":0.14,"start":"2027-08-17T01:50Z","start_local":"04:50"},{"end":"2027-08-17T03:35Z","end_local":"06:35","hours":1.33,"label":"unusable","mean_quality":0.0,"start":"2027-08-17T02:15Z","start_local":"05:15"}]}],"unscheduled":[],"warnings":[]}
