{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2046-01-18","schedule":[{"end":"2046-01-18T17:15Z","end_local":"19:15","hours":2.0,"mean_quality":0.0,"start":"2046-01-18T15:15Z","start_local":"17:15","target":null},{"end":"2046-01-18T23:25Z","end_local":"01:25","hours":6.17,"mean_quality":0.34,"start":"2046-01-18T17:15Z","start_local":"19:15","target":"M42"},{"end":"2046-01-19T05:45Z","end_local":"07:45","hours":6.33,"mean_quality":0.0,"start":"2046-01-18T23:25Z","start_local":"01:25","target":null}],"targets":[{"best_window":{"end":"2046-01-18T23:25Z","end_local":"01:25","hours":6.17,"label":"marginal","mean_quality":0.34,"start":"2046-01-18T17:15Z","start_local":"19:15"},"dec":-5.3876,"moon_separation":35.3,"name":"M42","quality_hours":2.38,"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":22,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.0,"t":"2046-01-18T20:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2046-01-18T16:20Z","end_local":"18:20","hours":1.08,"label":"unusable","mean_quality":0.0,"start":"2046-01-18T15:15Z","start_local":"17:15"},{"end":"2046-01-18T17:15Z","end_local":"19:15","hours":0.92,"label":"poor","mean_quality":0.15,"start":"2046-01-18T16:20Z","start_local":"18:20"},{"end":"2046-01-18T23:25Z","end_local":"01:25","hours":6.17,"label":"marginal","mean_quality":0.34,"start":"2046-01-18T17:15Z","start_local":"19:15"},{"end":"2046-01-18T23:55Z","end_local":"01:55","hours":0.5,"label":"poor","mean_quality":0.26,"start":"2046-01-18T23:25Z","start_local":"01:25"},{"end":"2046-01-19T05:45Z","end_local":"07:45","hours":5.83,"label":"unusable","mean_quality":0.0,"start":"2046-01-18T23:55Z","start_local":"01:55"}]}],"unscheduled":[],"warnings":[]}