{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-10-09","schedule":[{"end":"2027-10-09T23:00Z","end_local":"02:00","hours":7.17,"mean_quality":0.0,"start":"2027-10-09T15:50Z","start_local":"18:50","target":null},{"end":"2027-10-10T03:30Z","end_local":"06:30","hours":4.5,"mean_quality":0.75,"start":"2027-10-09T23:00Z","start_local":"02:00","target":"M42"},{"end":"2027-10-10T04:30Z","end_local":"07:30","hours":1.0,"mean_quality":0.0,"start":"2027-10-10T03:30Z","start_local":"06:30","target":null}],"targets":[{"best_window":{"end":"2027-10-10T02:55Z","end_local":"05:55","hours":3.42,"label":"good","mean_quality":0.83,"start":"2027-10-09T23:30Z","start_local":"02:30"},"dec":-5.3876,"moon_separation":124.7,"name":"M42","quality_hours":3.42,"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":76,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.4,"t":"2027-10-10T02:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-10-09T23:00Z","end_local":"02:00","hours":7.17,"label":"unusable","mean_quality":0.0,"start":"2027-10-09T15:50Z","start_local":"18:50"},{"end":"2027-10-09T23:30Z","end_local":"02:30","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-10-09T23:00Z","start_local":"02:00"},{"end":"2027-10-10T02:55Z","end_local":"05:55","hours":3.42,"label":"good","mean_quality":0.83,"start":"2027-10-09T23:30Z","start_local":"02:30"},{"end":"2027-10-10T03:30Z","end_local":"06:30","hours":0.58,"label":"marginal","mean_quality":0.44,"start":"2027-10-10T02:55Z","start_local":"05:55"},{"end":"2027-10-10T04:00Z","end_local":"07:00","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2027-10-10T03:30Z","start_local":"06:30"},{"end":"2027-10-10T04:30Z","end_local":"07:30","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-10-10T04:00Z","start_local":"07:00"}]}],"unscheduled":[],"warnings":[]}