{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-03-22","schedule":[{"end":"2026-03-23T04:20Z","end_local":"06:20","hours":11.75,"mean_quality":0.0,"start":"2026-03-22T16:35Z","start_local":"18:35","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":37.3,"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":0,"transit":{"airmass":1.0,"alt":89.7,"az":166.8,"t":"2026-03-22T11:05Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2026-03-23T04:20Z","end_local":"06:20","hours":11.75,"label":"unusable","mean_quality":0.0,"start":"2026-03-22T16:35Z","start_local":"18:35"}]}],"unscheduled":[{"name":"M31","why":"Overcast (\u226580 % cloud) for 10.8 of 10.8 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}