{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-12-22","schedule":[{"end":"2025-12-22T16:05Z","end_local":"18:05","hours":1.25,"mean_quality":0.0,"start":"2025-12-22T14:50Z","start_local":"16:50","target":null},{"end":"2025-12-22T18:00Z","end_local":"20:00","hours":1.92,"mean_quality":0.63,"start":"2025-12-22T16:05Z","start_local":"18:05","target":"M31"},{"end":"2025-12-23T05:50Z","end_local":"07:50","hours":11.83,"mean_quality":0.0,"start":"2025-12-22T18:00Z","start_local":"20:00","target":null}],"targets":[{"best_window":{"end":"2025-12-22T18:00Z","end_local":"20:00","hours":1.42,"label":"good","mean_quality":0.72,"start":"2025-12-22T16:35Z","start_local":"18:35"},"dec":41.26875,"moon_separation":87.1,"name":"M31","quality_hours":1.27,"ra":10.68470833,"resolved":{"common_name":"Andromeda Galaxy","dec":41.26875,"morphology":"SA(s)b","name":"M 31","ra":10.68470833,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M31","source":"sesame","type":"AGN","type_text":"galaxy with an active nucleus","vmag":3.44},"score":19,"score_astronomy":100,"score_weather":19,"transit":{"airmass":1.0,"alt":89.7,"az":208.0,"t":"2025-12-22T17:00Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-12-22T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2025-12-22T14:50Z","start_local":"16:50"},{"end":"2025-12-22T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2025-12-22T15:30Z","start_local":"17:30"},{"end":"2025-12-22T16:35Z","end_local":"18:35","hours":0.5,"label":"marginal","mean_quality":0.38,"start":"2025-12-22T16:05Z","start_local":"18:05"},{"end":"2025-12-22T18:00Z","end_local":"20:00","hours":1.42,"label":"good","mean_quality":0.72,"start":"2025-12-22T16:35Z","start_local":"18:35"},{"end":"2025-12-23T05:50Z","end_local":"07:50","hours":11.83,"label":"unusable","mean_quality":0.0,"start":"2025-12-22T18:00Z","start_local":"20:00"}]}],"unscheduled":[],"warnings":[]}
