{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2037-08-21","schedule":[{"end":"2037-08-21T18:55Z","end_local":"21:55","hours":1.75,"mean_quality":0.0,"start":"2037-08-21T17:10Z","start_local":"20:10","target":null},{"end":"2037-08-22T01:55Z","end_local":"04:55","hours":7.0,"mean_quality":0.63,"start":"2037-08-21T18:55Z","start_local":"21:55","target":"HD 189733"},{"end":"2037-08-22T03:40Z","end_local":"06:40","hours":1.75,"mean_quality":0.0,"start":"2037-08-22T01:55Z","start_local":"04:55","target":null}],"targets":[{"best_window":{"end":"2037-08-22T01:30Z","end_local":"04:30","hours":4.08,"label":"good","mean_quality":0.67,"start":"2037-08-21T21:25Z","start_local":"00:25"},"dec":22.71085365,"moon_separation":45.8,"name":"HD 189733","quality_hours":4.63,"ra":300.18213726,"resolved":{"dec":22.71085365,"name":"HD 189733","ra":300.18213726,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=HD%20189733","source":"sesame","spectral_type":"K2V","type":"BY*","type_text":"BY Draconis variable \u2014 a spotted, rotating star","vmag":7.648},"score":null,"score_astronomy":87,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":179.0,"t":"2037-08-21T20:20Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2037-08-21T17:45Z","end_local":"20:45","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2037-08-21T17:10Z","start_local":"20:10"},{"end":"2037-08-21T18:55Z","end_local":"21:55","hours":1.17,"label":"poor","mean_quality":0.19,"start":"2037-08-21T17:45Z","start_local":"20:45"},{"end":"2037-08-21T21:25Z","end_local":"00:25","hours":2.5,"label":"marginal","mean_quality":0.58,"start":"2037-08-21T18:55Z","start_local":"21:55"},{"end":"2037-08-22T01:30Z","end_local":"04:30","hours":4.08,"label":"good","mean_quality":0.67,"start":"2037-08-21T21:25Z","start_local":"00:25"},{"end":"2037-08-22T01:55Z","end_local":"04:55","hours":0.42,"label":"marginal","mean_quality":0.49,"start":"2037-08-22T01:30Z","start_local":"04:30"},{"end":"2037-08-22T03:40Z","end_local":"06:40","hours":1.75,"label":"unusable","mean_quality":0.0,"start":"2037-08-22T01:55Z","start_local":"04:55"}]}],"unscheduled":[],"warnings":[]}