{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-05-20","schedule":[{"end":"2027-05-20T18:55Z","end_local":"21:55","hours":1.33,"mean_quality":0.0,"start":"2027-05-20T17:35Z","start_local":"20:35","target":null},{"end":"2027-05-20T23:05Z","end_local":"02:05","hours":4.17,"mean_quality":0.47,"start":"2027-05-20T18:55Z","start_local":"21:55","target":"3C 273"},{"end":"2027-05-21T03:00Z","end_local":"06:00","hours":3.92,"mean_quality":0.0,"start":"2027-05-20T23:05Z","start_local":"02:05","target":null}],"targets":[{"best_window":{"end":"2027-05-20T19:50Z","end_local":"22:50","hours":0.17,"label":"good","mean_quality":0.6,"start":"2027-05-20T19:40Z","start_local":"22:40"},"dec":2.05238823,"moon_separation":60.0,"name":"3C 273","quality_hours":2.11,"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":32,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":180.5,"t":"2027-05-20T19:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-05-20T18:15Z","end_local":"21:15","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2027-05-20T17:35Z","start_local":"20:35"},{"end":"2027-05-20T18:55Z","end_local":"21:55","hours":0.67,"label":"poor","mean_quality":0.1,"start":"2027-05-20T18:15Z","start_local":"21:15"},{"end":"2027-05-20T19:40Z","end_local":"22:40","hours":0.75,"label":"marginal","mean_quality":0.31,"start":"2027-05-20T18:55Z","start_local":"21:55"},{"end":"2027-05-20T19:50Z","end_local":"22:50","hours":0.17,"label":"good","mean_quality":0.6,"start":"2027-05-20T19:40Z","start_local":"22:40"},{"end":"2027-05-20T23:05Z","end_local":"02:05","hours":3.25,"label":"marginal","mean_quality":0.51,"start":"2027-05-20T19:50Z","start_local":"22:50"},{"end":"2027-05-20T23:20Z","end_local":"02:20","hours":0.25,"label":"poor","mean_quality":0.27,"start":"2027-05-20T23:05Z","start_local":"02:05"},{"end":"2027-05-21T03:00Z","end_local":"06:00","hours":3.67,"label":"unusable","mean_quality":0.0,"start":"2027-05-20T23:20Z","start_local":"02:20"}]}],"unscheduled":[],"warnings":[]}
