{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-04-14","schedule":[{"end":"2027-04-14T23:20Z","end_local":"02:20","hours":6.33,"mean_quality":0.0,"start":"2027-04-14T17:00Z","start_local":"20:00","target":null},{"end":"2027-04-15T02:40Z","end_local":"05:40","hours":3.33,"mean_quality":0.71,"start":"2027-04-14T23:20Z","start_local":"02:20","target":"HD 189733"},{"end":"2027-04-15T03:45Z","end_local":"06:45","hours":1.08,"mean_quality":0.0,"start":"2027-04-15T02:40Z","start_local":"05:40","target":null}],"targets":[{"best_window":{"end":"2027-04-15T02:05Z","end_local":"05:05","hours":2.17,"label":"good","mean_quality":0.83,"start":"2027-04-14T23:55Z","start_local":"02:55"},"dec":22.71085365,"moon_separation":136.9,"name":"HD 189733","quality_hours":2.44,"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":57,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":179.7,"t":"2027-04-15T04:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-04-14T23:20Z","end_local":"02:20","hours":6.33,"label":"unusable","mean_quality":0.0,"start":"2027-04-14T17:00Z","start_local":"20:00"},{"end":"2027-04-14T23:55Z","end_local":"02:55","hours":0.58,"label":"marginal","mean_quality":0.48,"start":"2027-04-14T23:20Z","start_local":"02:20"},{"end":"2027-04-15T02:05Z","end_local":"05:05","hours":2.17,"label":"good","mean_quality":0.83,"start":"2027-04-14T23:55Z","start_local":"02:55"},{"end":"2027-04-15T02:40Z","end_local":"05:40","hours":0.58,"label":"marginal","mean_quality":0.48,"start":"2027-04-15T02:05Z","start_local":"05:05"},{"end":"2027-04-15T03:15Z","end_local":"06:15","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2027-04-15T02:40Z","start_local":"05:40"},{"end":"2027-04-15T03:45Z","end_local":"06:45","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-04-15T03:15Z","start_local":"06:15"}]}],"unscheduled":[],"warnings":[]}