{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-04-08","schedule":[{"end":"2025-04-08T23:00Z","end_local":"02:00","hours":6.17,"mean_quality":0.0,"start":"2025-04-08T16:50Z","start_local":"19:50","target":null},{"end":"2025-04-09T01:30Z","end_local":"04:30","hours":2.5,"mean_quality":0.36,"start":"2025-04-08T23:00Z","start_local":"02:00","target":"3C 273"},{"end":"2025-04-09T03:55Z","end_local":"06:55","hours":2.42,"mean_quality":0.0,"start":"2025-04-09T01:30Z","start_local":"04:30","target":null}],"targets":[{"best_window":{"end":"2025-04-09T01:30Z","end_local":"04:30","hours":2.5,"label":"marginal","mean_quality":0.36,"start":"2025-04-08T23:00Z","start_local":"02:00"},"dec":2.05238823,"moon_separation":31.5,"name":"3C 273","quality_hours":1.03,"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":12,"score_astronomy":34,"score_weather":35,"transit":{"airmass":1.3,"alt":50.2,"az":179.3,"t":"2025-04-08T21:40Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-04-08T23:00Z","end_local":"02:00","hours":6.17,"label":"unusable","mean_quality":0.0,"start":"2025-04-08T16:50Z","start_local":"19:50"},{"end":"2025-04-09T01:30Z","end_local":"04:30","hours":2.5,"label":"marginal","mean_quality":0.36,"start":"2025-04-08T23:00Z","start_local":"02:00"},{"end":"2025-04-09T02:00Z","end_local":"05:00","hours":0.5,"label":"poor","mean_quality":0.26,"start":"2025-04-09T01:30Z","start_local":"04:30"},{"end":"2025-04-09T03:55Z","end_local":"06:55","hours":1.92,"label":"unusable","mean_quality":0.0,"start":"2025-04-09T02:00Z","start_local":"05:00"}]}],"unscheduled":[],"warnings":[]}
