{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-12-26","schedule":[{"end":"2025-12-26T16:40Z","end_local":"18:40","hours":1.75,"mean_quality":0.0,"start":"2025-12-26T14:55Z","start_local":"16:55","target":null},{"end":"2025-12-26T17:25Z","end_local":"19:25","hours":0.75,"mean_quality":0.4,"start":"2025-12-26T16:40Z","start_local":"18:40","target":"HD 189733"},{"end":"2025-12-27T05:50Z","end_local":"07:50","hours":12.42,"mean_quality":0.0,"start":"2025-12-26T17:25Z","start_local":"19:25","target":null}],"targets":[{"best_window":{"end":"2025-12-26T17:25Z","end_local":"19:25","hours":0.75,"label":"marginal","mean_quality":0.4,"start":"2025-12-26T16:40Z","start_local":"18:40"},"dec":22.71085365,"moon_separation":58.0,"name":"HD 189733","quality_hours":0.55,"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":9,"score_astronomy":11,"score_weather":79,"transit":{"airmass":1.06,"alt":71.1,"az":178.6,"t":"2025-12-26T12:00Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-12-26T15:30Z","end_local":"17:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-12-26T14:55Z","start_local":"16:55"},{"end":"2025-12-26T16:40Z","end_local":"18:40","hours":1.17,"label":"poor","mean_quality":0.18,"start":"2025-12-26T15:30Z","start_local":"17:30"},{"end":"2025-12-26T17:25Z","end_local":"19:25","hours":0.75,"label":"marginal","mean_quality":0.4,"start":"2025-12-26T16:40Z","start_local":"18:40"},{"end":"2025-12-26T17:35Z","end_local":"19:35","hours":0.17,"label":"poor","mean_quality":0.27,"start":"2025-12-26T17:25Z","start_local":"19:25"},{"end":"2025-12-27T05:50Z","end_local":"07:50","hours":12.25,"label":"unusable","mean_quality":0.0,"start":"2025-12-26T17:35Z","start_local":"19:35"}]}],"unscheduled":[],"warnings":[]}