{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-04-05","schedule":[{"end":"2025-04-05T18:30Z","end_local":"21:30","hours":1.67,"mean_quality":0.0,"start":"2025-04-05T16:50Z","start_local":"19:50","target":null},{"end":"2025-04-06T02:15Z","end_local":"05:15","hours":7.75,"mean_quality":0.58,"start":"2025-04-05T18:30Z","start_local":"21:30","target":"3C 273"},{"end":"2025-04-06T04:00Z","end_local":"07:00","hours":1.75,"mean_quality":0.0,"start":"2025-04-06T02:15Z","start_local":"05:15","target":null}],"targets":[{"best_window":{"end":"2025-04-06T00:00Z","end_local":"03:00","hours":2.0,"label":"good","mean_quality":0.68,"start":"2025-04-05T22:00Z","start_local":"01:00"},"dec":2.05238823,"moon_separation":69.0,"name":"3C 273","quality_hours":4.63,"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":71,"score_astronomy":82,"score_weather":86,"transit":{"airmass":1.3,"alt":50.2,"az":180.5,"t":"2025-04-05T21:55Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2025-04-05T17:40Z","end_local":"20:40","hours":0.83,"label":"unusable","mean_quality":0.0,"start":"2025-04-05T16:50Z","start_local":"19:50"},{"end":"2025-04-05T18:30Z","end_local":"21:30","hours":0.83,"label":"poor","mean_quality":0.16,"start":"2025-04-05T17:40Z","start_local":"20:40"},{"end":"2025-04-05T19:30Z","end_local":"22:30","hours":1.0,"label":"marginal","mean_quality":0.57,"start":"2025-04-05T18:30Z","start_local":"21:30"},{"end":"2025-04-05T21:00Z","end_local":"00:00","hours":1.5,"label":"good","mean_quality":0.64,"start":"2025-04-05T19:30Z","start_local":"22:30"},{"end":"2025-04-05T22:00Z","end_local":"01:00","hours":1.0,"label":"marginal","mean_quality":0.47,"start":"2025-04-05T21:00Z","start_local":"00:00"},{"end":"2025-04-06T00:00Z","end_local":"03:00","hours":2.0,"label":"good","mean_quality":0.68,"start":"2025-04-05T22:00Z","start_local":"01:00"},{"end":"2025-04-06T01:00Z","end_local":"04:00","hours":1.0,"label":"marginal","mean_quality":0.35,"start":"2025-04-06T00:00Z","start_local":"03:00"},{"end":"2025-04-06T01:45Z","end_local":"04:45","hours":0.75,"label":"good","mean_quality":0.74,"start":"2025-04-06T01:00Z","start_local":"04:00"},{"end":"2025-04-06T02:15Z","end_local":"05:15","hours":0.5,"label":"marginal","mean_quality":0.46,"start":"2025-04-06T01:45Z","start_local":"04:45"},{"end":"2025-04-06T04:00Z","end_local":"07:00","hours":1.75,"label":"unusable","mean_quality":0.0,"start":"2025-04-06T02:15Z","start_local":"05:15"}]}],"unscheduled":[],"warnings":[]}