{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2029-05-21","schedule":[{"end":"2029-05-21T19:40Z","end_local":"22:40","hours":2.08,"mean_quality":0.0,"start":"2029-05-21T17:35Z","start_local":"20:35","target":null},{"end":"2029-05-21T23:15Z","end_local":"02:15","hours":3.58,"mean_quality":0.55,"start":"2029-05-21T19:40Z","start_local":"22:40","target":"3C 273"},{"end":"2029-05-22T03:00Z","end_local":"06:00","hours":3.75,"mean_quality":0.0,"start":"2029-05-21T23:15Z","start_local":"02:15","target":null}],"targets":[{"best_window":{"end":"2029-05-21T23:15Z","end_local":"02:15","hours":3.58,"label":"marginal","mean_quality":0.55,"start":"2029-05-21T19:40Z","start_local":"22:40"},"dec":2.05238823,"moon_separation":26.7,"name":"3C 273","quality_hours":2.22,"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":33,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":180.8,"t":"2029-05-21T18:55Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2029-05-21T18:15Z","end_local":"21:15","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2029-05-21T17:35Z","start_local":"20:35"},{"end":"2029-05-21T19:40Z","end_local":"22:40","hours":1.42,"label":"poor","mean_quality":0.19,"start":"2029-05-21T18:15Z","start_local":"21:15"},{"end":"2029-05-21T23:15Z","end_local":"02:15","hours":3.58,"label":"marginal","mean_quality":0.55,"start":"2029-05-21T19:40Z","start_local":"22:40"},{"end":"2029-05-22T03:00Z","end_local":"06:00","hours":3.75,"label":"unusable","mean_quality":0.0,"start":"2029-05-21T23:15Z","start_local":"02:15"}]}],"unscheduled":[],"warnings":[]}