{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-04-24","schedule":[{"end":"2026-04-24T22:40Z","end_local":"01:40","hours":5.5,"mean_quality":0.0,"start":"2026-04-24T17:10Z","start_local":"20:10","target":null},{"end":"2026-04-25T02:25Z","end_local":"05:25","hours":3.75,"mean_quality":0.64,"start":"2026-04-24T22:40Z","start_local":"01:40","target":"HD 189733"},{"end":"2026-04-25T03:30Z","end_local":"06:30","hours":1.08,"mean_quality":0.0,"start":"2026-04-25T02:25Z","start_local":"05:25","target":null}],"targets":[{"best_window":{"end":"2026-04-25T01:45Z","end_local":"04:45","hours":1.33,"label":"good","mean_quality":0.81,"start":"2026-04-25T00:25Z","start_local":"03:25"},"dec":22.71085365,"moon_separation":135.5,"name":"HD 189733","quality_hours":2.5,"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":60,"score_astronomy":67,"score_weather":90,"transit":{"airmass":1.06,"alt":71.1,"az":179.9,"t":"2026-04-25T04:10Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-04-24T22:40Z","end_local":"01:40","hours":5.5,"label":"unusable","mean_quality":0.0,"start":"2026-04-24T17:10Z","start_local":"20:10"},{"end":"2026-04-24T23:20Z","end_local":"02:20","hours":0.67,"label":"marginal","mean_quality":0.45,"start":"2026-04-24T22:40Z","start_local":"01:40"},{"end":"2026-04-25T00:00Z","end_local":"03:00","hours":0.67,"label":"good","mean_quality":0.7,"start":"2026-04-24T23:20Z","start_local":"02:20"},{"end":"2026-04-25T00:25Z","end_local":"03:25","hours":0.42,"label":"marginal","mean_quality":0.59,"start":"2026-04-25T00:00Z","start_local":"03:00"},{"end":"2026-04-25T01:45Z","end_local":"04:45","hours":1.33,"label":"good","mean_quality":0.81,"start":"2026-04-25T00:25Z","start_local":"03:25"},{"end":"2026-04-25T02:25Z","end_local":"05:25","hours":0.67,"label":"marginal","mean_quality":0.49,"start":"2026-04-25T01:45Z","start_local":"04:45"},{"end":"2026-04-25T03:00Z","end_local":"06:00","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-04-25T02:25Z","start_local":"05:25"},{"end":"2026-04-25T03:30Z","end_local":"06:30","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-04-25T03:00Z","start_local":"06:00"}]}],"unscheduled":[],"warnings":[]}
