{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2046-05-23","schedule":[{"end":"2046-05-23T20:50Z","end_local":"23:50","hours":3.17,"mean_quality":0.0,"start":"2046-05-23T17:40Z","start_local":"20:40","target":null},{"end":"2046-05-24T01:05Z","end_local":"04:05","hours":4.25,"mean_quality":0.56,"start":"2046-05-23T20:50Z","start_local":"23:50","target":"HD 189733"},{"end":"2046-05-24T02:55Z","end_local":"05:55","hours":1.83,"mean_quality":0.0,"start":"2046-05-24T01:05Z","start_local":"04:05","target":null}],"targets":[{"best_window":{"end":"2046-05-24T00:55Z","end_local":"03:55","hours":0.92,"label":"good","mean_quality":0.6,"start":"2046-05-24T00:00Z","start_local":"03:00"},"dec":22.71085365,"moon_separation":46.6,"name":"HD 189733","quality_hours":2.64,"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":41,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":179.0,"t":"2046-05-24T02:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2046-05-23T20:50Z","end_local":"23:50","hours":3.17,"label":"unusable","mean_quality":0.0,"start":"2046-05-23T17:40Z","start_local":"20:40"},{"end":"2046-05-23T21:15Z","end_local":"00:15","hours":0.42,"label":"marginal","mean_quality":0.51,"start":"2046-05-23T20:50Z","start_local":"23:50"},{"end":"2046-05-23T21:20Z","end_local":"00:20","hours":0.08,"label":"good","mean_quality":0.62,"start":"2046-05-23T21:15Z","start_local":"00:15"},{"end":"2046-05-24T00:00Z","end_local":"03:00","hours":2.67,"label":"marginal","mean_quality":0.57,"start":"2046-05-23T21:20Z","start_local":"00:20"},{"end":"2046-05-24T00:55Z","end_local":"03:55","hours":0.92,"label":"good","mean_quality":0.6,"start":"2046-05-24T00:00Z","start_local":"03:00"},{"end":"2046-05-24T01:05Z","end_local":"04:05","hours":0.17,"label":"marginal","mean_quality":0.3,"start":"2046-05-24T00:55Z","start_local":"03:55"},{"end":"2046-05-24T02:25Z","end_local":"05:25","hours":1.33,"label":"poor","mean_quality":0.19,"start":"2046-05-24T01:05Z","start_local":"04:05"},{"end":"2046-05-24T02:55Z","end_local":"05:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2046-05-24T02:25Z","start_local":"05:25"}]}],"unscheduled":[],"warnings":[]}