{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-12-21","schedule":[{"end":"2028-12-22T00:30Z","end_local":"02:30","hours":9.67,"mean_quality":0.0,"start":"2028-12-21T14:50Z","start_local":"16:50","target":null},{"end":"2028-12-22T04:40Z","end_local":"06:40","hours":4.17,"mean_quality":0.75,"start":"2028-12-22T00:30Z","start_local":"02:30","target":"3C 273"},{"end":"2028-12-22T05:50Z","end_local":"07:50","hours":1.17,"mean_quality":0.0,"start":"2028-12-22T04:40Z","start_local":"06:40","target":null}],"targets":[{"best_window":{"end":"2028-12-22T04:05Z","end_local":"06:05","hours":3.08,"label":"good","mean_quality":0.85,"start":"2028-12-22T01:00Z","start_local":"03:00"},"dec":2.05238823,"moon_separation":151.7,"name":"3C 273","quality_hours":3.21,"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":74,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":179.4,"t":"2028-12-22T04:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-22T00:30Z","end_local":"02:30","hours":9.67,"label":"unusable","mean_quality":0.0,"start":"2028-12-21T14:50Z","start_local":"16:50"},{"end":"2028-12-22T01:00Z","end_local":"03:00","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2028-12-22T00:30Z","start_local":"02:30"},{"end":"2028-12-22T04:05Z","end_local":"06:05","hours":3.08,"label":"good","mean_quality":0.85,"start":"2028-12-22T01:00Z","start_local":"03:00"},{"end":"2028-12-22T04:40Z","end_local":"06:40","hours":0.58,"label":"marginal","mean_quality":0.47,"start":"2028-12-22T04:05Z","start_local":"06:05"},{"end":"2028-12-22T05:15Z","end_local":"07:15","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2028-12-22T04:40Z","start_local":"06:40"},{"end":"2028-12-22T05:50Z","end_local":"07:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-12-22T05:15Z","start_local":"07:15"}]}],"unscheduled":[],"warnings":[]}