{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-10-17","schedule":[{"end":"2027-10-18T00:05Z","end_local":"03:05","hours":8.5,"mean_quality":0.0,"start":"2027-10-17T15:35Z","start_local":"18:35","target":null},{"end":"2027-10-18T03:05Z","end_local":"06:05","hours":3.0,"mean_quality":0.34,"start":"2027-10-18T00:05Z","start_local":"03:05","target":"M42"},{"end":"2027-10-18T04:40Z","end_local":"07:40","hours":1.58,"mean_quality":0.0,"start":"2027-10-18T03:05Z","start_local":"06:05","target":null}],"targets":[{"best_window":{"end":"2027-10-18T03:05Z","end_local":"06:05","hours":3.0,"label":"marginal","mean_quality":0.34,"start":"2027-10-18T00:05Z","start_local":"03:05"},"dec":-5.3876,"moon_separation":44.3,"name":"M42","quality_hours":1.56,"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":15,"score_weather":null,"transit":{"airmass":1.47,"alt":42.9,"az":179.2,"t":"2027-10-18T02:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-10-17T22:25Z","end_local":"01:25","hours":6.83,"label":"unusable","mean_quality":0.0,"start":"2027-10-17T15:35Z","start_local":"18:35"},{"end":"2027-10-18T00:05Z","end_local":"03:05","hours":1.67,"label":"poor","mean_quality":0.25,"start":"2027-10-17T22:25Z","start_local":"01:25"},{"end":"2027-10-18T03:05Z","end_local":"06:05","hours":3.0,"label":"marginal","mean_quality":0.34,"start":"2027-10-18T00:05Z","start_local":"03:05"},{"end":"2027-10-18T04:10Z","end_local":"07:10","hours":1.08,"label":"poor","mean_quality":0.13,"start":"2027-10-18T03:05Z","start_local":"06:05"},{"end":"2027-10-18T04:40Z","end_local":"07:40","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-10-18T04:10Z","start_local":"07:10"}]}],"unscheduled":[],"warnings":[]}
