{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-11-09","schedule":[{"end":"2025-11-10T05:05Z","end_local":"07:05","hours":14.0,"mean_quality":0.0,"start":"2025-11-09T15:05Z","start_local":"17:05","target":null}],"targets":[{"best_window":null,"dec":24.11388889,"moon_separation":48.8,"name":"M45","quality_hours":0.21,"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":3,"score_astronomy":83,"score_weather":3,"transit":{"airmass":1.05,"alt":72.5,"az":178.8,"t":"2025-11-09T22:50Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-11-09T18:00Z","end_local":"20:00","hours":2.92,"label":"unusable","mean_quality":0.0,"start":"2025-11-09T15:05Z","start_local":"17:05"},{"end":"2025-11-09T19:00Z","end_local":"21:00","hours":1.0,"label":"poor","mean_quality":0.21,"start":"2025-11-09T18:00Z","start_local":"20:00"},{"end":"2025-11-10T05:05Z","end_local":"07:05","hours":10.08,"label":"unusable","mean_quality":0.0,"start":"2025-11-09T19:00Z","start_local":"21:00"}]}],"unscheduled":[{"name":"M45","why":"Overcast (\u226580 % cloud) for 11.9 of 12.9 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}