{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-09-08","schedule":[{"end":"2025-09-08T22:00Z","end_local":"01:00","hours":5.33,"mean_quality":0.0,"start":"2025-09-08T16:40Z","start_local":"19:40","target":null},{"end":"2025-09-09T00:20Z","end_local":"03:20","hours":2.33,"mean_quality":0.39,"start":"2025-09-08T22:00Z","start_local":"01:00","target":"HD 189733"},{"end":"2025-09-09T04:00Z","end_local":"07:00","hours":3.67,"mean_quality":0.0,"start":"2025-09-09T00:20Z","start_local":"03:20","target":null}],"targets":[{"best_window":{"end":"2025-09-09T00:20Z","end_local":"03:20","hours":2.33,"label":"marginal","mean_quality":0.39,"start":"2025-09-08T22:00Z","start_local":"01:00"},"dec":22.71085365,"moon_separation":62.9,"name":"HD 189733","quality_hours":1.22,"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":20,"score_astronomy":57,"score_weather":35,"transit":{"airmass":1.06,"alt":71.1,"az":179.7,"t":"2025-09-08T19:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-09-08T20:00Z","end_local":"23:00","hours":3.33,"label":"unusable","mean_quality":0.0,"start":"2025-09-08T16:40Z","start_local":"19:40"},{"end":"2025-09-08T22:00Z","end_local":"01:00","hours":2.0,"label":"poor","mean_quality":0.11,"start":"2025-09-08T20:00Z","start_local":"23:00"},{"end":"2025-09-09T00:20Z","end_local":"03:20","hours":2.33,"label":"marginal","mean_quality":0.39,"start":"2025-09-08T22:00Z","start_local":"01:00"},{"end":"2025-09-09T00:45Z","end_local":"03:45","hours":0.42,"label":"poor","mean_quality":0.25,"start":"2025-09-09T00:20Z","start_local":"03:20"},{"end":"2025-09-09T04:00Z","end_local":"07:00","hours":3.25,"label":"unusable","mean_quality":0.0,"start":"2025-09-09T00:45Z","start_local":"03:45"}]}],"unscheduled":[],"warnings":[]}
