{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-10-19","schedule":[{"end":"2025-10-20T04:40Z","end_local":"07:40","hours":13.17,"mean_quality":0.0,"start":"2025-10-19T15:30Z","start_local":"18:30","target":null}],"targets":[{"best_window":null,"dec":30.66017511,"moon_separation":150.7,"name":"M33","quality_hours":0.0,"ra":23.46206906,"resolved":{"common_name":"Triangulum Pinwheel","dec":30.66017511,"morphology":"SA(s)cd","name":"M 33","ra":23.46206906,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M33","source":"sesame","type":"GiG","type_text":"galaxy in a group","vmag":5.72},"score":0,"score_astronomy":100,"score_weather":0,"transit":{"airmass":1.02,"alt":79.1,"az":177.9,"t":"2025-10-19T22:00Z"},"verdict":"unusable","weather_known":true,"windows":[{"end":"2025-10-20T04:00Z","end_local":"07:00","hours":12.5,"label":"unusable","mean_quality":0.0,"start":"2025-10-19T15:30Z","start_local":"18:30"},{"end":"2025-10-20T04:05Z","end_local":"07:05","hours":0.08,"label":"poor","mean_quality":0.03,"start":"2025-10-20T04:00Z","start_local":"07:00"},{"end":"2025-10-20T04:40Z","end_local":"07:40","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-10-20T04:05Z","start_local":"07:05"}]}],"unscheduled":[{"name":"M33","why":"Overcast (\u226580 % cloud) for 11.9 of 12.2 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}