{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-02-21","schedule":[{"end":"2027-02-22T02:45Z","end_local":"04:45","hours":10.75,"mean_quality":0.0,"start":"2027-02-21T16:00Z","start_local":"18:00","target":null},{"end":"2027-02-22T04:10Z","end_local":"06:10","hours":1.42,"mean_quality":0.45,"start":"2027-02-22T02:45Z","start_local":"04:45","target":"HD 189733"},{"end":"2027-02-22T05:10Z","end_local":"07:10","hours":1.0,"mean_quality":0.0,"start":"2027-02-22T04:10Z","start_local":"06:10","target":null}],"targets":[{"best_window":{"end":"2027-02-22T03:35Z","end_local":"05:35","hours":0.17,"label":"good","mean_quality":0.64,"start":"2027-02-22T03:25Z","start_local":"05:25"},"dec":22.71085365,"moon_separation":127.9,"name":"HD 189733","quality_hours":0.69,"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":11,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":180.1,"t":"2027-02-22T08:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-22T02:45Z","end_local":"04:45","hours":10.75,"label":"unusable","mean_quality":0.0,"start":"2027-02-21T16:00Z","start_local":"18:00"},{"end":"2027-02-22T03:25Z","end_local":"05:25","hours":0.67,"label":"marginal","mean_quality":0.47,"start":"2027-02-22T02:45Z","start_local":"04:45"},{"end":"2027-02-22T03:35Z","end_local":"05:35","hours":0.17,"label":"good","mean_quality":0.64,"start":"2027-02-22T03:25Z","start_local":"05:25"},{"end":"2027-02-22T04:10Z","end_local":"06:10","hours":0.58,"label":"marginal","mean_quality":0.36,"start":"2027-02-22T03:35Z","start_local":"05:35"},{"end":"2027-02-22T04:40Z","end_local":"06:40","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2027-02-22T04:10Z","start_local":"06:10"},{"end":"2027-02-22T05:10Z","end_local":"07:10","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-02-22T04:40Z","start_local":"06:40"}]}],"unscheduled":[],"warnings":[]}