{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-04-12","schedule":[{"end":"2028-04-12T18:05Z","end_local":"21:05","hours":1.17,"mean_quality":0.0,"start":"2028-04-12T16:55Z","start_local":"19:55","target":null},{"end":"2028-04-13T01:40Z","end_local":"04:40","hours":7.58,"mean_quality":0.68,"start":"2028-04-12T18:05Z","start_local":"21:05","target":"3C 273"},{"end":"2028-04-13T03:45Z","end_local":"06:45","hours":2.08,"mean_quality":0.0,"start":"2028-04-13T01:40Z","start_local":"04:40","target":null}],"targets":[{"best_window":{"end":"2028-04-12T23:45Z","end_local":"02:45","hours":5.08,"label":"good","mean_quality":0.78,"start":"2028-04-12T18:40Z","start_local":"21:40"},"dec":2.05238823,"moon_separation":64.3,"name":"3C 273","quality_hours":5.24,"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":93,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":179.9,"t":"2028-04-12T21:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-04-12T17:30Z","end_local":"20:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-04-12T16:55Z","start_local":"19:55"},{"end":"2028-04-12T18:05Z","end_local":"21:05","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2028-04-12T17:30Z","start_local":"20:30"},{"end":"2028-04-12T18:40Z","end_local":"21:40","hours":0.58,"label":"marginal","mean_quality":0.41,"start":"2028-04-12T18:05Z","start_local":"21:05"},{"end":"2028-04-12T23:45Z","end_local":"02:45","hours":5.08,"label":"good","mean_quality":0.78,"start":"2028-04-12T18:40Z","start_local":"21:40"},{"end":"2028-04-13T01:40Z","end_local":"04:40","hours":1.92,"label":"marginal","mean_quality":0.5,"start":"2028-04-12T23:45Z","start_local":"02:45"},{"end":"2028-04-13T01:45Z","end_local":"04:45","hours":0.08,"label":"poor","mean_quality":0.29,"start":"2028-04-13T01:40Z","start_local":"04:40"},{"end":"2028-04-13T03:45Z","end_local":"06:45","hours":2.0,"label":"unusable","mean_quality":0.0,"start":"2028-04-13T01:45Z","start_local":"04:45"}]}],"unscheduled":[],"warnings":[]}