{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-05-25","schedule":[{"end":"2026-05-26T02:55Z","end_local":"05:55","hours":9.25,"mean_quality":0.0,"start":"2026-05-25T17:40Z","start_local":"20:40","target":null}],"targets":[{"best_window":null,"dec":41.26875,"moon_separation":141.9,"name":"M31","quality_hours":0.24,"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":4,"score_astronomy":12,"score_weather":34,"transit":{"airmass":1.0,"alt":89.7,"az":187.9,"t":"2026-05-26T06:50Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-05-26T00:15Z","end_local":"03:15","hours":6.58,"label":"unusable","mean_quality":0.0,"start":"2026-05-25T17:40Z","start_local":"20:40"},{"end":"2026-05-26T02:20Z","end_local":"05:20","hours":2.08,"label":"poor","mean_quality":0.12,"start":"2026-05-26T00:15Z","start_local":"03:15"},{"end":"2026-05-26T02:55Z","end_local":"05:55","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-05-26T02:20Z","start_local":"05:20"}]}],"unscheduled":[{"name":"M31","why":"no usable window tonight"}],"warnings":[]}