{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-08-29","schedule":[{"end":"2026-08-30T03:45Z","end_local":"06:45","hours":10.83,"mean_quality":0.0,"start":"2026-08-29T16:55Z","start_local":"19:55","target":null}],"targets":[{"best_window":null,"dec":30.66017511,"moon_separation":38.7,"name":"M33","quality_hours":0.11,"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":1,"score_astronomy":28,"score_weather":4,"transit":{"airmass":1.02,"alt":79.1,"az":181.9,"t":"2026-08-30T01:25Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-08-29T19:25Z","end_local":"22:25","hours":2.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-29T16:55Z","start_local":"19:55"},{"end":"2026-08-29T20:00Z","end_local":"23:00","hours":0.58,"label":"poor","mean_quality":0.19,"start":"2026-08-29T19:25Z","start_local":"22:25"},{"end":"2026-08-30T03:45Z","end_local":"06:45","hours":7.75,"label":"unusable","mean_quality":0.0,"start":"2026-08-29T20:00Z","start_local":"23:00"}]}],"unscheduled":[{"name":"M33","why":"Overcast (\u226580 % cloud) for 7.3 of 9.8 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}