{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2046-01-20","schedule":[{"end":"2046-01-20T17:15Z","end_local":"19:15","hours":1.92,"mean_quality":0.0,"start":"2046-01-20T15:20Z","start_local":"17:20","target":null},{"end":"2046-01-20T17:30Z","end_local":"19:30","hours":0.25,"mean_quality":0.3,"start":"2046-01-20T17:15Z","start_local":"19:15","target":"M42"},{"end":"2046-01-21T05:45Z","end_local":"07:45","hours":12.25,"mean_quality":0.0,"start":"2046-01-20T17:30Z","start_local":"19:30","target":null}],"targets":[{"best_window":{"end":"2046-01-20T17:30Z","end_local":"19:30","hours":0.25,"label":"marginal","mean_quality":0.3,"start":"2046-01-20T17:15Z","start_local":"19:15"},"dec":-5.3876,"moon_separation":35.3,"name":"M42","quality_hours":1.77,"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":13,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.3,"t":"2046-01-20T19:55Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2046-01-20T16:10Z","end_local":"18:10","hours":0.83,"label":"unusable","mean_quality":0.0,"start":"2046-01-20T15:20Z","start_local":"17:20"},{"end":"2046-01-20T17:15Z","end_local":"19:15","hours":1.08,"label":"poor","mean_quality":0.13,"start":"2046-01-20T16:10Z","start_local":"18:10"},{"end":"2046-01-20T17:30Z","end_local":"19:30","hours":0.25,"label":"marginal","mean_quality":0.3,"start":"2046-01-20T17:15Z","start_local":"19:15"},{"end":"2046-01-20T23:45Z","end_local":"01:45","hours":6.25,"label":"poor","mean_quality":0.25,"start":"2046-01-20T17:30Z","start_local":"19:30"},{"end":"2046-01-21T05:45Z","end_local":"07:45","hours":6.0,"label":"unusable","mean_quality":0.0,"start":"2046-01-20T23:45Z","start_local":"01:45"}]}],"unscheduled":[],"warnings":[]}