{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-12-07","schedule":[{"end":"2025-12-08T05:40Z","end_local":"07:40","hours":14.83,"mean_quality":0.0,"start":"2025-12-07T14:50Z","start_local":"16:50","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":87.5,"name":"M31","quality_hours":0.19,"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":3,"score_astronomy":100,"score_weather":3,"transit":{"airmass":1.0,"alt":89.6,"az":230.6,"t":"2025-12-07T18:00Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-12-07T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-12-07T14:50Z","start_local":"16:50"},{"end":"2025-12-07T17:00Z","end_local":"19:00","hours":1.58,"label":"poor","mean_quality":0.12,"start":"2025-12-07T15:25Z","start_local":"17:25"},{"end":"2025-12-08T05:40Z","end_local":"07:40","hours":12.67,"label":"unusable","mean_quality":0.0,"start":"2025-12-07T17:00Z","start_local":"19:00"}]}],"unscheduled":[{"name":"M31","why":"Overcast (\u226580 % cloud) for 12.1 of 13.7 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}
