{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-04-18","schedule":[{"end":"2025-04-19T03:35Z","end_local":"06:35","hours":10.5,"mean_quality":0.0,"start":"2025-04-18T17:05Z","start_local":"20:05","target":null}],"targets":[{"best_window":null,"dec":22.71085365,"moon_separation":56.8,"name":"HD 189733","quality_hours":0.0,"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":0,"score_astronomy":33,"score_weather":0,"transit":{"airmass":1.06,"alt":71.1,"az":181.6,"t":"2025-04-19T04:35Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2025-04-19T03:35Z","end_local":"06:35","hours":10.5,"label":"unusable","mean_quality":0.0,"start":"2025-04-18T17:05Z","start_local":"20:05"}]}],"unscheduled":[{"name":"HD 189733","why":"no usable window tonight"}],"warnings":[]}
