{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-01-16","schedule":[{"end":"2027-01-16T16:55Z","end_local":"18:55","hours":1.67,"mean_quality":0.0,"start":"2027-01-16T15:15Z","start_local":"17:15","target":null},{"end":"2027-01-17T00:05Z","end_local":"02:05","hours":7.17,"mean_quality":0.55,"start":"2027-01-16T16:55Z","start_local":"18:55","target":"M42"},{"end":"2027-01-17T05:45Z","end_local":"07:45","hours":5.67,"mean_quality":0.0,"start":"2027-01-17T00:05Z","start_local":"02:05","target":null}],"targets":[{"best_window":{"end":"2027-01-16T23:00Z","end_local":"01:00","hours":2.67,"label":"good","mean_quality":0.61,"start":"2027-01-16T20:20Z","start_local":"22:20"},"dec":-5.3876,"moon_separation":53.4,"name":"M42","quality_hours":4.02,"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":62,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.5,"t":"2027-01-16T20:15Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-01-16T16:30Z","end_local":"18:30","hours":1.25,"label":"unusable","mean_quality":0.0,"start":"2027-01-16T15:15Z","start_local":"17:15"},{"end":"2027-01-16T16:55Z","end_local":"18:55","hours":0.42,"label":"poor","mean_quality":0.15,"start":"2027-01-16T16:30Z","start_local":"18:30"},{"end":"2027-01-16T20:20Z","end_local":"22:20","hours":3.42,"label":"marginal","mean_quality":0.53,"start":"2027-01-16T16:55Z","start_local":"18:55"},{"end":"2027-01-16T23:00Z","end_local":"01:00","hours":2.67,"label":"good","mean_quality":0.61,"start":"2027-01-16T20:20Z","start_local":"22:20"},{"end":"2027-01-17T00:05Z","end_local":"02:05","hours":1.08,"label":"marginal","mean_quality":0.47,"start":"2027-01-16T23:00Z","start_local":"01:00"},{"end":"2027-01-17T05:45Z","end_local":"07:45","hours":5.67,"label":"unusable","mean_quality":0.0,"start":"2027-01-17T00:05Z","start_local":"02:05"}]}],"unscheduled":[],"warnings":[]}
