{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2026-12-13","schedule":[{"end":"2026-12-13T16:00Z","end_local":"18:00","hours":1.17,"mean_quality":0.0,"start":"2026-12-13T14:50Z","start_local":"16:50","target":null},{"end":"2026-12-13T18:25Z","end_local":"20:25","hours":2.42,"mean_quality":0.6,"start":"2026-12-13T16:00Z","start_local":"18:00","target":"HD 189733"},{"end":"2026-12-14T05:45Z","end_local":"07:45","hours":11.33,"mean_quality":0.0,"start":"2026-12-13T18:25Z","start_local":"20:25","target":null}],"targets":[{"best_window":{"end":"2026-12-13T17:55Z","end_local":"19:55","hours":1.33,"label":"good","mean_quality":0.73,"start":"2026-12-13T16:35Z","start_local":"18:35"},"dec":22.71085365,"moon_separation":43.2,"name":"HD 189733","quality_hours":1.53,"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":30,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":180.7,"t":"2026-12-13T12:55Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-13T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-12-13T14:50Z","start_local":"16:50"},{"end":"2026-12-13T16:00Z","end_local":"18:00","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2026-12-13T15:25Z","start_local":"17:25"},{"end":"2026-12-13T16:35Z","end_local":"18:35","hours":0.58,"label":"marginal","mean_quality":0.4,"start":"2026-12-13T16:00Z","start_local":"18:00"},{"end":"2026-12-13T17:55Z","end_local":"19:55","hours":1.33,"label":"good","mean_quality":0.73,"start":"2026-12-13T16:35Z","start_local":"18:35"},{"end":"2026-12-13T18:25Z","end_local":"20:25","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2026-12-13T17:55Z","start_local":"19:55"},{"end":"2026-12-14T05:45Z","end_local":"07:45","hours":11.33,"label":"unusable","mean_quality":0.0,"start":"2026-12-13T18:25Z","start_local":"20:25"}]}],"unscheduled":[],"warnings":[]}