{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-04-05","schedule":[{"end":"2026-04-06T00:15Z","end_local":"03:15","hours":7.42,"mean_quality":0.0,"start":"2026-04-05T16:50Z","start_local":"19:50","target":null},{"end":"2026-04-06T02:55Z","end_local":"05:55","hours":2.67,"mean_quality":0.49,"start":"2026-04-06T00:15Z","start_local":"03:15","target":"HD 189733"},{"end":"2026-04-06T04:00Z","end_local":"07:00","hours":1.08,"mean_quality":0.0,"start":"2026-04-06T02:55Z","start_local":"05:55","target":null}],"targets":[{"best_window":{"end":"2026-04-06T02:20Z","end_local":"05:20","hours":0.58,"label":"good","mean_quality":0.64,"start":"2026-04-06T01:45Z","start_local":"04:45"},"dec":22.71085365,"moon_separation":78.4,"name":"HD 189733","quality_hours":1.45,"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":25,"score_astronomy":27,"score_weather":91,"transit":{"airmass":1.06,"alt":71.1,"az":180.1,"t":"2026-04-06T05:25Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-04-05T23:55Z","end_local":"02:55","hours":7.08,"label":"unusable","mean_quality":0.0,"start":"2026-04-05T16:50Z","start_local":"19:50"},{"end":"2026-04-06T00:15Z","end_local":"03:15","hours":0.33,"label":"poor","mean_quality":0.26,"start":"2026-04-05T23:55Z","start_local":"02:55"},{"end":"2026-04-06T01:45Z","end_local":"04:45","hours":1.5,"label":"marginal","mean_quality":0.49,"start":"2026-04-06T00:15Z","start_local":"03:15"},{"end":"2026-04-06T02:20Z","end_local":"05:20","hours":0.58,"label":"good","mean_quality":0.64,"start":"2026-04-06T01:45Z","start_local":"04:45"},{"end":"2026-04-06T02:55Z","end_local":"05:55","hours":0.58,"label":"marginal","mean_quality":0.34,"start":"2026-04-06T02:20Z","start_local":"05:20"},{"end":"2026-04-06T03:30Z","end_local":"06:30","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2026-04-06T02:55Z","start_local":"05:55"},{"end":"2026-04-06T04:00Z","end_local":"07:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-04-06T03:30Z","start_local":"06:30"}]}],"unscheduled":[],"warnings":[]}