{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-01-02","schedule":[{"end":"2027-01-02T17:25Z","end_local":"19:25","hours":2.42,"mean_quality":0.0,"start":"2027-01-02T15:00Z","start_local":"17:00","target":null},{"end":"2027-01-03T01:00Z","end_local":"03:00","hours":7.58,"mean_quality":0.79,"start":"2027-01-02T17:25Z","start_local":"19:25","target":"M42"},{"end":"2027-01-03T05:50Z","end_local":"07:50","hours":4.83,"mean_quality":0.0,"start":"2027-01-03T01:00Z","start_local":"03:00","target":null}],"targets":[{"best_window":{"end":"2027-01-03T00:30Z","end_local":"02:30","hours":6.58,"label":"good","mean_quality":0.83,"start":"2027-01-02T17:55Z","start_local":"19:55"},"dec":-5.3876,"moon_separation":132.7,"name":"M42","quality_hours":5.95,"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":89,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":180.5,"t":"2027-01-02T21:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-01-02T17:25Z","end_local":"19:25","hours":2.42,"label":"unusable","mean_quality":0.0,"start":"2027-01-02T15:00Z","start_local":"17:00"},{"end":"2027-01-02T17:55Z","end_local":"19:55","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2027-01-02T17:25Z","start_local":"19:25"},{"end":"2027-01-03T00:30Z","end_local":"02:30","hours":6.58,"label":"good","mean_quality":0.83,"start":"2027-01-02T17:55Z","start_local":"19:55"},{"end":"2027-01-03T01:00Z","end_local":"03:00","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2027-01-03T00:30Z","start_local":"02:30"},{"end":"2027-01-03T05:50Z","end_local":"07:50","hours":4.83,"label":"unusable","mean_quality":0.0,"start":"2027-01-03T01:00Z","start_local":"03:00"}]}],"unscheduled":[],"warnings":[]}