{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2031-10-01","schedule":[{"end":"2031-10-01T17:05Z","end_local":"20:05","hours":1.08,"mean_quality":0.0,"start":"2031-10-01T16:00Z","start_local":"19:00","target":null},{"end":"2031-10-01T23:00Z","end_local":"02:00","hours":5.92,"mean_quality":0.55,"start":"2031-10-01T17:05Z","start_local":"20:05","target":"HD 189733"},{"end":"2031-10-02T04:20Z","end_local":"07:20","hours":5.33,"mean_quality":0.0,"start":"2031-10-01T23:00Z","start_local":"02:00","target":null}],"targets":[{"best_window":{"end":"2031-10-01T20:05Z","end_local":"23:05","hours":2.42,"label":"good","mean_quality":0.66,"start":"2031-10-01T17:40Z","start_local":"20:40"},"dec":22.71085365,"moon_separation":76.9,"name":"HD 189733","quality_hours":3.38,"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":60,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":178.5,"t":"2031-10-01T17:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2031-10-01T16:35Z","end_local":"19:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2031-10-01T16:00Z","start_local":"19:00"},{"end":"2031-10-01T17:05Z","end_local":"20:05","hours":0.5,"label":"poor","mean_quality":0.11,"start":"2031-10-01T16:35Z","start_local":"19:35"},{"end":"2031-10-01T17:40Z","end_local":"20:40","hours":0.58,"label":"marginal","mean_quality":0.36,"start":"2031-10-01T17:05Z","start_local":"20:05"},{"end":"2031-10-01T20:05Z","end_local":"23:05","hours":2.42,"label":"good","mean_quality":0.66,"start":"2031-10-01T17:40Z","start_local":"20:40"},{"end":"2031-10-01T23:00Z","end_local":"02:00","hours":2.92,"label":"marginal","mean_quality":0.49,"start":"2031-10-01T20:05Z","start_local":"23:05"},{"end":"2031-10-01T23:15Z","end_local":"02:15","hours":0.25,"label":"poor","mean_quality":0.26,"start":"2031-10-01T23:00Z","start_local":"02:00"},{"end":"2031-10-02T04:20Z","end_local":"07:20","hours":5.08,"label":"unusable","mean_quality":0.0,"start":"2031-10-01T23:15Z","start_local":"02:15"}]}],"unscheduled":[],"warnings":[]}