{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-03-16","schedule":[{"end":"2027-03-17T01:15Z","end_local":"03:15","hours":8.83,"mean_quality":0.0,"start":"2027-03-16T16:25Z","start_local":"18:25","target":null},{"end":"2027-03-17T03:35Z","end_local":"05:35","hours":2.33,"mean_quality":0.64,"start":"2027-03-17T01:15Z","start_local":"03:15","target":"HD 189733"},{"end":"2027-03-17T04:35Z","end_local":"06:35","hours":1.0,"mean_quality":0.0,"start":"2027-03-17T03:35Z","start_local":"05:35","target":null}],"targets":[{"best_window":{"end":"2027-03-17T03:00Z","end_local":"05:00","hours":1.25,"label":"good","mean_quality":0.79,"start":"2027-03-17T01:45Z","start_local":"03:45"},"dec":22.71085365,"moon_separation":128.8,"name":"HD 189733","quality_hours":1.56,"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":34,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":180.4,"t":"2027-03-17T06:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-03-17T01:15Z","end_local":"03:15","hours":8.83,"label":"unusable","mean_quality":0.0,"start":"2027-03-16T16:25Z","start_local":"18:25"},{"end":"2027-03-17T01:45Z","end_local":"03:45","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2027-03-17T01:15Z","start_local":"03:15"},{"end":"2027-03-17T03:00Z","end_local":"05:00","hours":1.25,"label":"good","mean_quality":0.79,"start":"2027-03-17T01:45Z","start_local":"03:45"},{"end":"2027-03-17T03:35Z","end_local":"05:35","hours":0.58,"label":"marginal","mean_quality":0.44,"start":"2027-03-17T03:00Z","start_local":"05:00"},{"end":"2027-03-17T04:05Z","end_local":"06:05","hours":0.5,"label":"poor","mean_quality":0.14,"start":"2027-03-17T03:35Z","start_local":"05:35"},{"end":"2027-03-17T04:35Z","end_local":"06:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-03-17T04:05Z","start_local":"06:05"}]}],"unscheduled":[],"warnings":[]}