{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-02-24","schedule":[{"end":"2027-02-24T17:10Z","end_local":"19:10","hours":1.17,"mean_quality":0.0,"start":"2027-02-24T16:00Z","start_local":"18:00","target":null},{"end":"2027-02-24T21:30Z","end_local":"23:30","hours":4.33,"mean_quality":0.74,"start":"2027-02-24T17:10Z","start_local":"19:10","target":"M42"},{"end":"2027-02-25T05:05Z","end_local":"07:05","hours":7.58,"mean_quality":0.0,"start":"2027-02-24T21:30Z","start_local":"23:30","target":null}],"targets":[{"best_window":{"end":"2027-02-24T20:50Z","end_local":"22:50","hours":3.17,"label":"good","mean_quality":0.84,"start":"2027-02-24T17:40Z","start_local":"19:40"},"dec":-5.3876,"moon_separation":117.4,"name":"M42","quality_hours":3.28,"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":73,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.9,"t":"2027-02-24T17:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-02-24T16:35Z","end_local":"18:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-24T16:00Z","start_local":"18:00"},{"end":"2027-02-24T17:10Z","end_local":"19:10","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2027-02-24T16:35Z","start_local":"18:35"},{"end":"2027-02-24T17:40Z","end_local":"19:40","hours":0.5,"label":"marginal","mean_quality":0.44,"start":"2027-02-24T17:10Z","start_local":"19:10"},{"end":"2027-02-24T20:50Z","end_local":"22:50","hours":3.17,"label":"good","mean_quality":0.84,"start":"2027-02-24T17:40Z","start_local":"19:40"},{"end":"2027-02-24T21:30Z","end_local":"23:30","hours":0.67,"label":"marginal","mean_quality":0.49,"start":"2027-02-24T20:50Z","start_local":"22:50"},{"end":"2027-02-25T05:05Z","end_local":"07:05","hours":7.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-24T21:30Z","start_local":"23:30"}]}],"unscheduled":[],"warnings":[]}