{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-03-17","schedule":[{"end":"2025-03-17T23:00Z","end_local":"01:00","hours":6.58,"mean_quality":0.0,"start":"2025-03-17T16:25Z","start_local":"18:25","target":null},{"end":"2025-03-18T02:00Z","end_local":"04:00","hours":3.0,"mean_quality":0.38,"start":"2025-03-17T23:00Z","start_local":"01:00","target":"3C 273"},{"end":"2025-03-18T04:30Z","end_local":"06:30","hours":2.5,"mean_quality":0.0,"start":"2025-03-18T02:00Z","start_local":"04:00","target":null}],"targets":[{"best_window":{"end":"2025-03-18T02:00Z","end_local":"04:00","hours":3.0,"label":"marginal","mean_quality":0.38,"start":"2025-03-17T23:00Z","start_local":"01:00"},"dec":2.05238823,"moon_separation":32.5,"name":"3C 273","quality_hours":1.72,"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":35,"score_astronomy":80,"score_weather":43,"transit":{"airmass":1.3,"alt":50.2,"az":180.6,"t":"2025-03-17T23:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-03-17T22:00Z","end_local":"00:00","hours":5.58,"label":"unusable","mean_quality":0.0,"start":"2025-03-17T16:25Z","start_local":"18:25"},{"end":"2025-03-17T23:00Z","end_local":"01:00","hours":1.0,"label":"poor","mean_quality":0.25,"start":"2025-03-17T22:00Z","start_local":"00:00"},{"end":"2025-03-18T02:00Z","end_local":"04:00","hours":3.0,"label":"marginal","mean_quality":0.38,"start":"2025-03-17T23:00Z","start_local":"01:00"},{"end":"2025-03-18T03:30Z","end_local":"05:30","hours":1.5,"label":"poor","mean_quality":0.22,"start":"2025-03-18T02:00Z","start_local":"04:00"},{"end":"2025-03-18T04:30Z","end_local":"06:30","hours":1.0,"label":"unusable","mean_quality":0.0,"start":"2025-03-18T03:30Z","start_local":"05:30"}]}],"unscheduled":[],"warnings":[]}