{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-04-08","schedule":[{"end":"2028-04-08T23:45Z","end_local":"02:45","hours":6.92,"mean_quality":0.0,"start":"2028-04-08T16:50Z","start_local":"19:50","target":null},{"end":"2028-04-09T02:50Z","end_local":"05:50","hours":3.08,"mean_quality":0.61,"start":"2028-04-08T23:45Z","start_local":"02:45","target":"HD 189733"},{"end":"2028-04-09T03:55Z","end_local":"06:55","hours":1.08,"mean_quality":0.0,"start":"2028-04-09T02:50Z","start_local":"05:50","target":null}],"targets":[{"best_window":{"end":"2028-04-09T02:15Z","end_local":"05:15","hours":1.83,"label":"good","mean_quality":0.73,"start":"2028-04-09T00:25Z","start_local":"03:25"},"dec":22.71085365,"moon_separation":112.4,"name":"HD 189733","quality_hours":1.97,"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":40,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":179.2,"t":"2028-04-09T05:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-04-08T23:45Z","end_local":"02:45","hours":6.92,"label":"unusable","mean_quality":0.0,"start":"2028-04-08T16:50Z","start_local":"19:50"},{"end":"2028-04-09T00:25Z","end_local":"03:25","hours":0.67,"label":"marginal","mean_quality":0.47,"start":"2028-04-08T23:45Z","start_local":"02:45"},{"end":"2028-04-09T02:15Z","end_local":"05:15","hours":1.83,"label":"good","mean_quality":0.73,"start":"2028-04-09T00:25Z","start_local":"03:25"},{"end":"2028-04-09T02:50Z","end_local":"05:50","hours":0.58,"label":"marginal","mean_quality":0.41,"start":"2028-04-09T02:15Z","start_local":"05:15"},{"end":"2028-04-09T03:25Z","end_local":"06:25","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2028-04-09T02:50Z","start_local":"05:50"},{"end":"2028-04-09T03:55Z","end_local":"06:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-04-09T03:25Z","start_local":"06:25"}]}],"unscheduled":[],"warnings":[]}