{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-09-02","schedule":[{"end":"2026-09-03T03:50Z","end_local":"06:50","hours":11.0,"mean_quality":0.0,"start":"2026-09-02T16:50Z","start_local":"19:50","target":null}],"targets":[{"best_window":null,"dec":30.66017511,"moon_separation":23.2,"name":"M33","quality_hours":0.31,"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":4,"score_astronomy":57,"score_weather":8,"transit":{"airmass":1.02,"alt":79.1,"az":182.7,"t":"2026-09-03T01:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-09-02T20:00Z","end_local":"23:00","hours":3.17,"label":"unusable","mean_quality":0.0,"start":"2026-09-02T16:50Z","start_local":"19:50"},{"end":"2026-09-02T22:00Z","end_local":"01:00","hours":2.0,"label":"poor","mean_quality":0.16,"start":"2026-09-02T20:00Z","start_local":"23:00"},{"end":"2026-09-03T03:50Z","end_local":"06:50","hours":5.83,"label":"unusable","mean_quality":0.0,"start":"2026-09-02T22:00Z","start_local":"01:00"}]}],"unscheduled":[{"name":"M33","why":"Overcast (\u226580 % cloud) for 7.4 of 10.0 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}