{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-08-03","schedule":[{"end":"2028-08-04T03:20Z","end_local":"06:20","hours":9.75,"mean_quality":0.0,"start":"2028-08-03T17:35Z","start_local":"20:35","target":null}],"targets":[{"best_window":null,"dec":2.05238823,"moon_separation":110.4,"name":"3C 273","quality_hours":0.01,"ra":187.27791594,"resolved":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83},"score":null,"score_astronomy":0,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":179.6,"t":"2028-08-03T14:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-08-03T18:10Z","end_local":"21:10","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-08-03T17:35Z","start_local":"20:35"},{"end":"2028-08-03T18:20Z","end_local":"21:20","hours":0.17,"label":"poor","mean_quality":0.06,"start":"2028-08-03T18:10Z","start_local":"21:10"},{"end":"2028-08-04T03:20Z","end_local":"06:20","hours":9.0,"label":"unusable","mean_quality":0.0,"start":"2028-08-03T18:20Z","start_local":"21:20"}]}],"unscheduled":[{"name":"3C 273","why":"no usable window tonight"}],"warnings":[]}