{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2042-01-03","schedule":[{"end":"2042-01-03T23:30Z","end_local":"01:30","hours":8.5,"mean_quality":0.0,"start":"2042-01-03T15:00Z","start_local":"17:00","target":null},{"end":"2042-01-03T23:55Z","end_local":"01:55","hours":0.42,"mean_quality":0.3,"start":"2042-01-03T23:30Z","start_local":"01:30","target":"M42"},{"end":"2042-01-04T05:50Z","end_local":"07:50","hours":5.92,"mean_quality":0.0,"start":"2042-01-03T23:55Z","start_local":"01:55","target":null}],"targets":[{"best_window":{"end":"2042-01-03T23:55Z","end_local":"01:55","hours":0.42,"label":"marginal","mean_quality":0.3,"start":"2042-01-03T23:30Z","start_local":"01:30"},"dec":-5.3876,"moon_separation":33.0,"name":"M42","quality_hours":1.93,"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":15,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.4,"t":"2042-01-03T21:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2042-01-03T17:20Z","end_local":"19:20","hours":2.33,"label":"unusable","mean_quality":0.0,"start":"2042-01-03T15:00Z","start_local":"17:00"},{"end":"2042-01-03T23:30Z","end_local":"01:30","hours":6.17,"label":"poor","mean_quality":0.25,"start":"2042-01-03T17:20Z","start_local":"19:20"},{"end":"2042-01-03T23:55Z","end_local":"01:55","hours":0.42,"label":"marginal","mean_quality":0.3,"start":"2042-01-03T23:30Z","start_local":"01:30"},{"end":"2042-01-04T00:55Z","end_local":"02:55","hours":1.0,"label":"poor","mean_quality":0.24,"start":"2042-01-03T23:55Z","start_local":"01:55"},{"end":"2042-01-04T05:50Z","end_local":"07:50","hours":4.92,"label":"unusable","mean_quality":0.0,"start":"2042-01-04T00:55Z","start_local":"02:55"}]}],"unscheduled":[],"warnings":[]}