{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-02-10","schedule":[{"end":"2027-02-10T16:50Z","end_local":"18:50","hours":1.08,"mean_quality":0.0,"start":"2027-02-10T15:45Z","start_local":"17:45","target":null},{"end":"2027-02-10T22:25Z","end_local":"00:25","hours":5.58,"mean_quality":0.75,"start":"2027-02-10T16:50Z","start_local":"18:50","target":"M42"},{"end":"2027-02-11T05:25Z","end_local":"07:25","hours":7.0,"mean_quality":0.0,"start":"2027-02-10T22:25Z","start_local":"00:25","target":null}],"targets":[{"best_window":{"end":"2027-02-10T21:55Z","end_local":"23:55","hours":4.5,"label":"good","mean_quality":0.82,"start":"2027-02-10T17:25Z","start_local":"19:25"},"dec":-5.3876,"moon_separation":76.8,"name":"M42","quality_hours":4.23,"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":179.9,"t":"2027-02-10T18:35Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-10T16:20Z","end_local":"18:20","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-10T15:45Z","start_local":"17:45"},{"end":"2027-02-10T16:50Z","end_local":"18:50","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2027-02-10T16:20Z","start_local":"18:20"},{"end":"2027-02-10T17:25Z","end_local":"19:25","hours":0.58,"label":"marginal","mean_quality":0.4,"start":"2027-02-10T16:50Z","start_local":"18:50"},{"end":"2027-02-10T21:55Z","end_local":"23:55","hours":4.5,"label":"good","mean_quality":0.82,"start":"2027-02-10T17:25Z","start_local":"19:25"},{"end":"2027-02-10T22:25Z","end_local":"00:25","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-02-10T21:55Z","start_local":"23:55"},{"end":"2027-02-11T05:25Z","end_local":"07:25","hours":7.0,"label":"unusable","mean_quality":0.0,"start":"2027-02-10T22:25Z","start_local":"00:25"}]}],"unscheduled":[],"warnings":[]}