{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-02-20","schedule":[{"end":"2028-02-20T20:35Z","end_local":"22:35","hours":4.67,"mean_quality":0.0,"start":"2028-02-20T15:55Z","start_local":"17:55","target":null},{"end":"2028-02-21T04:10Z","end_local":"06:10","hours":7.58,"mean_quality":0.82,"start":"2028-02-20T20:35Z","start_local":"22:35","target":"3C 273"},{"end":"2028-02-21T05:10Z","end_local":"07:10","hours":1.0,"mean_quality":0.0,"start":"2028-02-21T04:10Z","start_local":"06:10","target":null}],"targets":[{"best_window":{"end":"2028-02-21T03:40Z","end_local":"05:40","hours":6.58,"label":"good","mean_quality":0.88,"start":"2028-02-20T21:05Z","start_local":"23:05"},"dec":2.05238823,"moon_separation":97.3,"name":"3C 273","quality_hours":6.29,"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":180.1,"t":"2028-02-21T00:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-02-20T20:35Z","end_local":"22:35","hours":4.67,"label":"unusable","mean_quality":0.0,"start":"2028-02-20T15:55Z","start_local":"17:55"},{"end":"2028-02-20T21:05Z","end_local":"23:05","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2028-02-20T20:35Z","start_local":"22:35"},{"end":"2028-02-21T03:40Z","end_local":"05:40","hours":6.58,"label":"good","mean_quality":0.88,"start":"2028-02-20T21:05Z","start_local":"23:05"},{"end":"2028-02-21T04:10Z","end_local":"06:10","hours":0.5,"label":"marginal","mean_quality":0.4,"start":"2028-02-21T03:40Z","start_local":"05:40"},{"end":"2028-02-21T04:45Z","end_local":"06:45","hours":0.58,"label":"poor","mean_quality":0.1,"start":"2028-02-21T04:10Z","start_local":"06:10"},{"end":"2028-02-21T05:10Z","end_local":"07:10","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2028-02-21T04:45Z","start_local":"06:45"}]}],"unscheduled":[],"warnings":[]}