{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2043-01-16","schedule":[{"end":"2043-01-16T16:55Z","end_local":"18:55","hours":1.67,"mean_quality":0.0,"start":"2043-01-16T15:15Z","start_local":"17:15","target":null},{"end":"2043-01-17T00:05Z","end_local":"02:05","hours":7.17,"mean_quality":0.75,"start":"2043-01-16T16:55Z","start_local":"18:55","target":"M42"},{"end":"2043-01-17T05:45Z","end_local":"07:45","hours":5.67,"mean_quality":0.0,"start":"2043-01-17T00:05Z","start_local":"02:05","target":null}],"targets":[{"best_window":{"end":"2043-01-16T23:35Z","end_local":"01:35","hours":6.33,"label":"good","mean_quality":0.78,"start":"2043-01-16T17:15Z","start_local":"19:15"},"dec":-5.3876,"moon_separation":76.7,"name":"M42","quality_hours":5.46,"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":87,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.4,"t":"2043-01-16T20:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2043-01-16T16:30Z","end_local":"18:30","hours":1.25,"label":"unusable","mean_quality":0.0,"start":"2043-01-16T15:15Z","start_local":"17:15"},{"end":"2043-01-16T16:55Z","end_local":"18:55","hours":0.42,"label":"poor","mean_quality":0.21,"start":"2043-01-16T16:30Z","start_local":"18:30"},{"end":"2043-01-16T17:15Z","end_local":"19:15","hours":0.33,"label":"marginal","mean_quality":0.55,"start":"2043-01-16T16:55Z","start_local":"18:55"},{"end":"2043-01-16T23:35Z","end_local":"01:35","hours":6.33,"label":"good","mean_quality":0.78,"start":"2043-01-16T17:15Z","start_local":"19:15"},{"end":"2043-01-17T00:05Z","end_local":"02:05","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2043-01-16T23:35Z","start_local":"01:35"},{"end":"2043-01-17T05:45Z","end_local":"07:45","hours":5.67,"label":"unusable","mean_quality":0.0,"start":"2043-01-17T00:05Z","start_local":"02:05"}]}],"unscheduled":[],"warnings":[]}