{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-03-20","schedule":[{"end":"2028-03-21T00:55Z","end_local":"02:55","hours":8.42,"mean_quality":0.0,"start":"2028-03-20T16:30Z","start_local":"18:30","target":null},{"end":"2028-03-21T03:25Z","end_local":"05:25","hours":2.5,"mean_quality":0.63,"start":"2028-03-21T00:55Z","start_local":"02:55","target":"HD 189733"},{"end":"2028-03-21T04:25Z","end_local":"06:25","hours":1.0,"mean_quality":0.0,"start":"2028-03-21T03:25Z","start_local":"05:25","target":null}],"targets":[{"best_window":{"end":"2028-03-21T02:50Z","end_local":"04:50","hours":1.42,"label":"good","mean_quality":0.76,"start":"2028-03-21T01:25Z","start_local":"03:25"},"dec":22.71085365,"moon_separation":42.2,"name":"HD 189733","quality_hours":1.63,"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":34,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":179.4,"t":"2028-03-21T06:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-03-21T00:55Z","end_local":"02:55","hours":8.42,"label":"unusable","mean_quality":0.0,"start":"2028-03-20T16:30Z","start_local":"18:30"},{"end":"2028-03-21T01:25Z","end_local":"03:25","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2028-03-21T00:55Z","start_local":"02:55"},{"end":"2028-03-21T02:50Z","end_local":"04:50","hours":1.42,"label":"good","mean_quality":0.76,"start":"2028-03-21T01:25Z","start_local":"03:25"},{"end":"2028-03-21T03:25Z","end_local":"05:25","hours":0.58,"label":"marginal","mean_quality":0.41,"start":"2028-03-21T02:50Z","start_local":"04:50"},{"end":"2028-03-21T03:55Z","end_local":"05:55","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2028-03-21T03:25Z","start_local":"05:25"},{"end":"2028-03-21T04:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-21T03:55Z","start_local":"05:55"}]}],"unscheduled":[],"warnings":[]}