{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-03-18","schedule":[{"end":"2027-03-18T19:20Z","end_local":"21:20","hours":2.83,"mean_quality":0.0,"start":"2027-03-18T16:30Z","start_local":"18:30","target":null},{"end":"2027-03-19T03:00Z","end_local":"05:00","hours":7.67,"mean_quality":0.51,"start":"2027-03-18T19:20Z","start_local":"21:20","target":"3C 273"},{"end":"2027-03-19T04:30Z","end_local":"06:30","hours":1.5,"mean_quality":0.0,"start":"2027-03-19T03:00Z","start_local":"05:00","target":null}],"targets":[{"best_window":{"end":"2027-03-19T02:55Z","end_local":"04:55","hours":0.25,"label":"good","mean_quality":0.68,"start":"2027-03-19T02:40Z","start_local":"04:40"},"dec":2.05238823,"moon_separation":54.7,"name":"3C 273","quality_hours":4.16,"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":71,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":179.4,"t":"2027-03-18T23:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-03-18T18:50Z","end_local":"20:50","hours":2.33,"label":"unusable","mean_quality":0.0,"start":"2027-03-18T16:30Z","start_local":"18:30"},{"end":"2027-03-18T19:20Z","end_local":"21:20","hours":0.5,"label":"poor","mean_quality":0.25,"start":"2027-03-18T18:50Z","start_local":"20:50"},{"end":"2027-03-19T02:40Z","end_local":"04:40","hours":7.33,"label":"marginal","mean_quality":0.51,"start":"2027-03-18T19:20Z","start_local":"21:20"},{"end":"2027-03-19T02:55Z","end_local":"04:55","hours":0.25,"label":"good","mean_quality":0.68,"start":"2027-03-19T02:40Z","start_local":"04:40"},{"end":"2027-03-19T03:00Z","end_local":"05:00","hours":0.08,"label":"marginal","mean_quality":0.3,"start":"2027-03-19T02:55Z","start_local":"04:55"},{"end":"2027-03-19T03:25Z","end_local":"05:25","hours":0.42,"label":"poor","mean_quality":0.25,"start":"2027-03-19T03:00Z","start_local":"05:00"},{"end":"2027-03-19T04:30Z","end_local":"06:30","hours":1.08,"label":"unusable","mean_quality":0.0,"start":"2027-03-19T03:25Z","start_local":"05:25"}]}],"unscheduled":[],"warnings":[]}