{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-12-03","schedule":[{"end":"2025-12-04T05:35Z","end_local":"07:35","hours":14.75,"mean_quality":0.0,"start":"2025-12-03T14:50Z","start_local":"16:50","target":null}],"targets":[{"best_window":null,"dec":30.66017511,"moon_separation":27.4,"name":"M33","quality_hours":0.28,"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":3,"score_astronomy":23,"score_weather":12,"transit":{"airmass":1.02,"alt":79.1,"az":180.1,"t":"2025-12-03T19:05Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-12-03T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-12-03T14:50Z","start_local":"16:50"},{"end":"2025-12-03T17:00Z","end_local":"19:00","hours":1.58,"label":"poor","mean_quality":0.13,"start":"2025-12-03T15:25Z","start_local":"17:25"},{"end":"2025-12-04T00:00Z","end_local":"02:00","hours":7.0,"label":"unusable","mean_quality":0.0,"start":"2025-12-03T17:00Z","start_local":"19:00"},{"end":"2025-12-04T01:00Z","end_local":"03:00","hours":1.0,"label":"poor","mean_quality":0.07,"start":"2025-12-04T00:00Z","start_local":"02:00"},{"end":"2025-12-04T05:35Z","end_local":"07:35","hours":4.58,"label":"unusable","mean_quality":0.0,"start":"2025-12-04T01:00Z","start_local":"03:00"}]}],"unscheduled":[{"name":"M33","why":"Overcast (\u226580 % cloud) for 11.1 of 13.7 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}