{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-12-30","schedule":[{"end":"2028-12-31T05:50Z","end_local":"07:50","hours":14.92,"mean_quality":0.0,"start":"2028-12-30T14:55Z","start_local":"16:55","target":null}],"targets":[{"best_window":null,"dec":-5.3876,"moon_separation":30.7,"name":"M42","quality_hours":1.57,"ra":83.8201,"resolved":{"common_name":"Great Orion Nebula","dec":-5.3876,"name":"M 42","ra":83.8201,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M42","source":"sesame","type":"HII","type_text":"HII region \u2014 a star-forming nebula"},"score":null,"score_astronomy":10,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.5,"t":"2028-12-30T21:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-12-30T17:35Z","end_local":"19:35","hours":2.67,"label":"unusable","mean_quality":0.0,"start":"2028-12-30T14:55Z","start_local":"16:55"},{"end":"2028-12-31T01:10Z","end_local":"03:10","hours":7.58,"label":"poor","mean_quality":0.21,"start":"2028-12-30T17:35Z","start_local":"19:35"},{"end":"2028-12-31T05:50Z","end_local":"07:50","hours":4.67,"label":"unusable","mean_quality":0.0,"start":"2028-12-31T01:10Z","start_local":"03:10"}]}],"unscheduled":[{"name":"M42","why":"no usable window tonight"}],"warnings":[]}