{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-06-13","schedule":[{"end":"2025-06-13T21:00Z","end_local":"00:00","hours":3.08,"mean_quality":0.0,"start":"2025-06-13T17:55Z","start_local":"20:55","target":null},{"end":"2025-06-13T21:45Z","end_local":"00:45","hours":0.75,"mean_quality":0.41,"start":"2025-06-13T21:00Z","start_local":"00:00","target":"3C 273"},{"end":"2025-06-14T02:50Z","end_local":"05:50","hours":5.08,"mean_quality":0.0,"start":"2025-06-13T21:45Z","start_local":"00:45","target":null}],"targets":[{"best_window":{"end":"2025-06-13T21:45Z","end_local":"00:45","hours":0.75,"label":"marginal","mean_quality":0.41,"start":"2025-06-13T21:00Z","start_local":"00:00"},"dec":2.05238823,"moon_separation":107.6,"name":"3C 273","quality_hours":0.5,"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":10,"score_astronomy":30,"score_weather":35,"transit":{"airmass":1.3,"alt":50.2,"az":179.1,"t":"2025-06-13T17:20Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-06-13T18:35Z","end_local":"21:35","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2025-06-13T17:55Z","start_local":"20:55"},{"end":"2025-06-13T20:00Z","end_local":"23:00","hours":1.42,"label":"poor","mean_quality":0.14,"start":"2025-06-13T18:35Z","start_local":"21:35"},{"end":"2025-06-13T21:00Z","end_local":"00:00","hours":1.0,"label":"unusable","mean_quality":0.0,"start":"2025-06-13T20:00Z","start_local":"23:00"},{"end":"2025-06-13T21:45Z","end_local":"00:45","hours":0.75,"label":"marginal","mean_quality":0.41,"start":"2025-06-13T21:00Z","start_local":"00:00"},{"end":"2025-06-14T02:50Z","end_local":"05:50","hours":5.08,"label":"unusable","mean_quality":0.0,"start":"2025-06-13T21:45Z","start_local":"00:45"}]}],"unscheduled":[],"warnings":[]}