{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-01-28","schedule":[{"end":"2027-01-28T16:35Z","end_local":"18:35","hours":1.08,"mean_quality":0.0,"start":"2027-01-28T15:30Z","start_local":"17:30","target":null},{"end":"2027-01-28T23:15Z","end_local":"01:15","hours":6.67,"mean_quality":0.78,"start":"2027-01-28T16:35Z","start_local":"18:35","target":"M42"},{"end":"2027-01-29T05:40Z","end_local":"07:40","hours":6.42,"mean_quality":0.0,"start":"2027-01-28T23:15Z","start_local":"01:15","target":null}],"targets":[{"best_window":{"end":"2027-01-28T22:45Z","end_local":"00:45","hours":5.58,"label":"good","mean_quality":0.84,"start":"2027-01-28T17:10Z","start_local":"19:10"},"dec":-5.3876,"moon_separation":121.2,"name":"M42","quality_hours":5.24,"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":179.5,"t":"2027-01-28T19:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-01-28T16:05Z","end_local":"18:05","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-01-28T15:30Z","start_local":"17:30"},{"end":"2027-01-28T16:35Z","end_local":"18:35","hours":0.5,"label":"poor","mean_quality":0.1,"start":"2027-01-28T16:05Z","start_local":"18:05"},{"end":"2027-01-28T17:10Z","end_local":"19:10","hours":0.58,"label":"marginal","mean_quality":0.4,"start":"2027-01-28T16:35Z","start_local":"18:35"},{"end":"2027-01-28T22:45Z","end_local":"00:45","hours":5.58,"label":"good","mean_quality":0.84,"start":"2027-01-28T17:10Z","start_local":"19:10"},{"end":"2027-01-28T23:15Z","end_local":"01:15","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2027-01-28T22:45Z","start_local":"00:45"},{"end":"2027-01-29T05:40Z","end_local":"07:40","hours":6.42,"label":"unusable","mean_quality":0.0,"start":"2027-01-28T23:15Z","start_local":"01:15"}]}],"unscheduled":[],"warnings":[]}
