{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-03-29","schedule":[{"end":"2025-03-30T04:10Z","end_local":"07:10","hours":11.5,"mean_quality":0.0,"start":"2025-03-29T16:40Z","start_local":"18:40","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":33.4,"name":"M31","quality_hours":0.0,"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":0,"score_astronomy":0,"score_weather":32,"transit":{"airmass":1.0,"alt":89.6,"az":129.8,"t":"2025-03-29T10:35Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2025-03-29T17:15Z","end_local":"19:15","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-03-29T16:40Z","start_local":"18:40"},{"end":"2025-03-29T17:20Z","end_local":"19:20","hours":0.08,"label":"poor","mean_quality":0.02,"start":"2025-03-29T17:15Z","start_local":"19:15"},{"end":"2025-03-30T04:10Z","end_local":"07:10","hours":10.83,"label":"unusable","mean_quality":0.0,"start":"2025-03-29T17:20Z","start_local":"19:20"}]}],"unscheduled":[{"name":"M31","why":"Overcast (\u226580 % cloud) for 9.7 of 10.4 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}