{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2026-12-08","schedule":[{"end":"2026-12-08T16:00Z","end_local":"18:00","hours":1.17,"mean_quality":0.0,"start":"2026-12-08T14:50Z","start_local":"16:50","target":null},{"end":"2026-12-09T02:35Z","end_local":"04:35","hours":10.58,"mean_quality":0.89,"start":"2026-12-08T16:00Z","start_local":"18:00","target":"M45"},{"end":"2026-12-09T05:40Z","end_local":"07:40","hours":3.08,"mean_quality":0.0,"start":"2026-12-09T02:35Z","start_local":"04:35","target":null}],"targets":[{"best_window":{"end":"2026-12-09T02:10Z","end_local":"04:10","hours":9.58,"label":"good","mean_quality":0.93,"start":"2026-12-08T16:35Z","start_local":"18:35"},"dec":24.11388889,"moon_separation":164.2,"name":"M45","quality_hours":9.43,"ra":56.60083333,"resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"score":null,"score_astronomy":100,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":181.1,"t":"2026-12-08T21:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2026-12-08T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-12-08T14:50Z","start_local":"16:50"},{"end":"2026-12-08T16:00Z","end_local":"18:00","hours":0.58,"label":"poor","mean_quality":0.08,"start":"2026-12-08T15:25Z","start_local":"17:25"},{"end":"2026-12-08T16:35Z","end_local":"18:35","hours":0.58,"label":"marginal","mean_quality":0.38,"start":"2026-12-08T16:00Z","start_local":"18:00"},{"end":"2026-12-09T02:10Z","end_local":"04:10","hours":9.58,"label":"good","mean_quality":0.93,"start":"2026-12-08T16:35Z","start_local":"18:35"},{"end":"2026-12-09T02:35Z","end_local":"04:35","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2026-12-09T02:10Z","start_local":"04:10"},{"end":"2026-12-09T05:40Z","end_local":"07:40","hours":3.08,"label":"unusable","mean_quality":0.0,"start":"2026-12-09T02:35Z","start_local":"04:35"}]}],"unscheduled":[],"warnings":[]}