{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2031-04-03","schedule":[{"end":"2031-04-03T18:30Z","end_local":"21:30","hours":1.75,"mean_quality":0.0,"start":"2031-04-03T16:45Z","start_local":"19:45","target":null},{"end":"2031-04-04T02:25Z","end_local":"05:25","hours":7.92,"mean_quality":0.45,"start":"2031-04-03T18:30Z","start_local":"21:30","target":"3C 273"},{"end":"2031-04-04T04:00Z","end_local":"07:00","hours":1.58,"mean_quality":0.0,"start":"2031-04-04T02:25Z","start_local":"05:25","target":null}],"targets":[{"best_window":{"end":"2031-04-04T02:25Z","end_local":"05:25","hours":7.92,"label":"marginal","mean_quality":0.45,"start":"2031-04-03T18:30Z","start_local":"21:30"},"dec":2.05238823,"moon_separation":39.5,"name":"3C 273","quality_hours":3.68,"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":54,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":180.5,"t":"2031-04-03T22:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2031-04-03T17:50Z","end_local":"20:50","hours":1.08,"label":"unusable","mean_quality":0.0,"start":"2031-04-03T16:45Z","start_local":"19:45"},{"end":"2031-04-03T18:30Z","end_local":"21:30","hours":0.67,"label":"poor","mean_quality":0.14,"start":"2031-04-03T17:50Z","start_local":"20:50"},{"end":"2031-04-04T02:25Z","end_local":"05:25","hours":7.92,"label":"marginal","mean_quality":0.45,"start":"2031-04-03T18:30Z","start_local":"21:30"},{"end":"2031-04-04T04:00Z","end_local":"07:00","hours":1.58,"label":"unusable","mean_quality":0.0,"start":"2031-04-04T02:25Z","start_local":"05:25"}]}],"unscheduled":[],"warnings":[]}