{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-01-22","schedule":[{"end":"2027-01-23T05:45Z","end_local":"07:45","hours":14.42,"mean_quality":0.0,"start":"2027-01-22T15:20Z","start_local":"17:20","target":null}],"targets":[{"best_window":null,"dec":22.71085365,"moon_separation":136.7,"name":"HD 189733","quality_hours":0.03,"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":0,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":178.7,"t":"2027-01-22T10:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-01-23T04:45Z","end_local":"06:45","hours":13.42,"label":"unusable","mean_quality":0.0,"start":"2027-01-22T15:20Z","start_local":"17:20"},{"end":"2027-01-23T05:15Z","end_local":"07:15","hours":0.5,"label":"poor","mean_quality":0.07,"start":"2027-01-23T04:45Z","start_local":"06:45"},{"end":"2027-01-23T05:45Z","end_local":"07:45","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-01-23T05:15Z","start_local":"07:15"}]}],"unscheduled":[{"name":"HD 189733","why":"no usable window tonight"}],"warnings":[]}