{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-06-13","schedule":[{"end":"2026-06-13T20:00Z","end_local":"23:00","hours":2.08,"mean_quality":0.0,"start":"2026-06-13T17:55Z","start_local":"20:55","target":null},{"end":"2026-06-14T01:30Z","end_local":"04:30","hours":5.5,"mean_quality":0.81,"start":"2026-06-13T20:00Z","start_local":"23:00","target":"HD 189733"},{"end":"2026-06-14T02:50Z","end_local":"05:50","hours":1.33,"mean_quality":0.0,"start":"2026-06-14T01:30Z","start_local":"04:30","target":null}],"targets":[{"best_window":{"end":"2026-06-14T00:40Z","end_local":"03:40","hours":4.5,"label":"good","mean_quality":0.88,"start":"2026-06-13T20:10Z","start_local":"23:10"},"dec":22.71085365,"moon_separation":106.1,"name":"HD 189733","quality_hours":4.66,"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":94,"score_astronomy":100,"score_weather":94,"transit":{"airmass":1.06,"alt":71.1,"az":181.0,"t":"2026-06-14T00:55Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-06-13T19:25Z","end_local":"22:25","hours":1.5,"label":"unusable","mean_quality":0.0,"start":"2026-06-13T17:55Z","start_local":"20:55"},{"end":"2026-06-13T20:00Z","end_local":"23:00","hours":0.58,"label":"poor","mean_quality":0.21,"start":"2026-06-13T19:25Z","start_local":"22:25"},{"end":"2026-06-13T20:10Z","end_local":"23:10","hours":0.17,"label":"marginal","mean_quality":0.33,"start":"2026-06-13T20:00Z","start_local":"23:00"},{"end":"2026-06-14T00:40Z","end_local":"03:40","hours":4.5,"label":"good","mean_quality":0.88,"start":"2026-06-13T20:10Z","start_local":"23:10"},{"end":"2026-06-14T01:30Z","end_local":"04:30","hours":0.83,"label":"marginal","mean_quality":0.48,"start":"2026-06-14T00:40Z","start_local":"03:40"},{"end":"2026-06-14T02:15Z","end_local":"05:15","hours":0.75,"label":"poor","mean_quality":0.15,"start":"2026-06-14T01:30Z","start_local":"04:30"},{"end":"2026-06-14T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-06-14T02:15Z","start_local":"05:15"}]}],"unscheduled":[],"warnings":[]}