{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-05-17","schedule":[{"end":"2025-05-17T21:15Z","end_local":"00:15","hours":3.67,"mean_quality":0.0,"start":"2025-05-17T17:35Z","start_local":"20:35","target":null},{"end":"2025-05-17T22:00Z","end_local":"01:00","hours":0.75,"mean_quality":0.43,"start":"2025-05-17T21:15Z","start_local":"00:15","target":"HD 189733"},{"end":"2025-05-18T03:00Z","end_local":"06:00","hours":5.0,"mean_quality":0.0,"start":"2025-05-17T22:00Z","start_local":"01:00","target":null}],"targets":[{"best_window":{"end":"2025-05-17T22:00Z","end_local":"01:00","hours":0.75,"label":"marginal","mean_quality":0.43,"start":"2025-05-17T21:15Z","start_local":"00:15"},"dec":22.71085365,"moon_separation":47.9,"name":"HD 189733","quality_hours":0.45,"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":58,"score_weather":16,"transit":{"airmass":1.06,"alt":71.1,"az":180.9,"t":"2025-05-18T02:40Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-05-17T21:10Z","end_local":"00:10","hours":3.58,"label":"unusable","mean_quality":0.0,"start":"2025-05-17T17:35Z","start_local":"20:35"},{"end":"2025-05-17T21:15Z","end_local":"00:15","hours":0.08,"label":"poor","mean_quality":0.3,"start":"2025-05-17T21:10Z","start_local":"00:10"},{"end":"2025-05-17T22:00Z","end_local":"01:00","hours":0.75,"label":"marginal","mean_quality":0.43,"start":"2025-05-17T21:15Z","start_local":"00:15"},{"end":"2025-05-17T23:00Z","end_local":"02:00","hours":1.0,"label":"poor","mean_quality":0.11,"start":"2025-05-17T22:00Z","start_local":"01:00"},{"end":"2025-05-18T03:00Z","end_local":"06:00","hours":4.0,"label":"unusable","mean_quality":0.0,"start":"2025-05-17T23:00Z","start_local":"02:00"}]}],"unscheduled":[],"warnings":[]}