{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-06-01","schedule":[{"end":"2025-06-01T19:10Z","end_local":"22:10","hours":1.42,"mean_quality":0.0,"start":"2025-06-01T17:45Z","start_local":"20:45","target":null},{"end":"2025-06-01T21:45Z","end_local":"00:45","hours":2.58,"mean_quality":0.43,"start":"2025-06-01T19:10Z","start_local":"22:10","target":"3C 273"},{"end":"2025-06-02T02:50Z","end_local":"05:50","hours":5.08,"mean_quality":0.0,"start":"2025-06-01T21:45Z","start_local":"00:45","target":null}],"targets":[{"best_window":{"end":"2025-06-01T21:45Z","end_local":"00:45","hours":2.58,"label":"marginal","mean_quality":0.43,"start":"2025-06-01T19:10Z","start_local":"22:10"},"dec":2.05238823,"moon_separation":38.4,"name":"3C 273","quality_hours":1.25,"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":22,"score_astronomy":34,"score_weather":65,"transit":{"airmass":1.3,"alt":50.2,"az":180.2,"t":"2025-06-01T18:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-06-01T18:25Z","end_local":"21:25","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2025-06-01T17:45Z","start_local":"20:45"},{"end":"2025-06-01T19:10Z","end_local":"22:10","hours":0.75,"label":"poor","mean_quality":0.11,"start":"2025-06-01T18:25Z","start_local":"21:25"},{"end":"2025-06-01T21:45Z","end_local":"00:45","hours":2.58,"label":"marginal","mean_quality":0.43,"start":"2025-06-01T19:10Z","start_local":"22:10"},{"end":"2025-06-01T22:00Z","end_local":"01:00","hours":0.25,"label":"poor","mean_quality":0.29,"start":"2025-06-01T21:45Z","start_local":"00:45"},{"end":"2025-06-02T02:50Z","end_local":"05:50","hours":4.83,"label":"unusable","mean_quality":0.0,"start":"2025-06-01T22:00Z","start_local":"01:00"}]}],"unscheduled":[],"warnings":[]}