{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-01-30","schedule":[{"end":"2027-01-30T16:40Z","end_local":"18:40","hours":1.17,"mean_quality":0.0,"start":"2027-01-30T15:30Z","start_local":"17:30","target":null},{"end":"2027-01-30T23:10Z","end_local":"01:10","hours":6.5,"mean_quality":0.78,"start":"2027-01-30T16:40Z","start_local":"18:40","target":"M42"},{"end":"2027-01-31T05:35Z","end_local":"07:35","hours":6.42,"mean_quality":0.0,"start":"2027-01-30T23:10Z","start_local":"01:10","target":null}],"targets":[{"best_window":{"end":"2027-01-30T22:40Z","end_local":"00:40","hours":5.5,"label":"good","mean_quality":0.84,"start":"2027-01-30T17:10Z","start_local":"19:10"},"dec":-5.3876,"moon_separation":138.2,"name":"M42","quality_hours":5.14,"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":"2027-01-30T19:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-01-30T16:05Z","end_local":"18:05","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-01-30T15:30Z","start_local":"17:30"},{"end":"2027-01-30T16:40Z","end_local":"18:40","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2027-01-30T16:05Z","start_local":"18:05"},{"end":"2027-01-30T17:10Z","end_local":"19:10","hours":0.5,"label":"marginal","mean_quality":0.41,"start":"2027-01-30T16:40Z","start_local":"18:40"},{"end":"2027-01-30T22:40Z","end_local":"00:40","hours":5.5,"label":"good","mean_quality":0.84,"start":"2027-01-30T17:10Z","start_local":"19:10"},{"end":"2027-01-30T23:10Z","end_local":"01:10","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2027-01-30T22:40Z","start_local":"00:40"},{"end":"2027-01-31T05:35Z","end_local":"07:35","hours":6.42,"label":"unusable","mean_quality":0.0,"start":"2027-01-30T23:10Z","start_local":"01:10"}]}],"unscheduled":[],"warnings":[]}