{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2026-12-21","schedule":[{"end":"2026-12-21T16:05Z","end_local":"18:05","hours":1.25,"mean_quality":0.0,"start":"2026-12-21T14:50Z","start_local":"16:50","target":null},{"end":"2026-12-21T17:55Z","end_local":"19:55","hours":1.83,"mean_quality":0.46,"start":"2026-12-21T16:05Z","start_local":"18:05","target":"HD 189733"},{"end":"2026-12-22T05:50Z","end_local":"07:50","hours":11.92,"mean_quality":0.0,"start":"2026-12-21T17:55Z","start_local":"19:55","target":null}],"targets":[{"best_window":{"end":"2026-12-21T17:05Z","end_local":"19:05","hours":0.5,"label":"good","mean_quality":0.62,"start":"2026-12-21T16:35Z","start_local":"18:35"},"dec":22.71085365,"moon_separation":102.0,"name":"HD 189733","quality_hours":0.91,"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":15,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":181.7,"t":"2026-12-21T12:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-21T14:50Z","start_local":"16:50"},{"end":"2026-12-21T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2026-12-21T15:30Z","start_local":"17:30"},{"end":"2026-12-21T16:35Z","end_local":"18:35","hours":0.5,"label":"marginal","mean_quality":0.33,"start":"2026-12-21T16:05Z","start_local":"18:05"},{"end":"2026-12-21T17:05Z","end_local":"19:05","hours":0.5,"label":"good","mean_quality":0.62,"start":"2026-12-21T16:35Z","start_local":"18:35"},{"end":"2026-12-21T17:55Z","end_local":"19:55","hours":0.83,"label":"marginal","mean_quality":0.45,"start":"2026-12-21T17:05Z","start_local":"19:05"},{"end":"2026-12-22T05:50Z","end_local":"07:50","hours":11.92,"label":"unusable","mean_quality":0.0,"start":"2026-12-21T17:55Z","start_local":"19:55"}]}],"unscheduled":[],"warnings":[]}
