{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-09-26","schedule":[{"end":"2027-09-26T17:15Z","end_local":"20:15","hours":1.08,"mean_quality":0.0,"start":"2027-09-26T16:10Z","start_local":"19:10","target":null},{"end":"2027-09-26T23:35Z","end_local":"02:35","hours":6.33,"mean_quality":0.86,"start":"2027-09-26T17:15Z","start_local":"20:15","target":"HD 189733"},{"end":"2027-09-27T04:15Z","end_local":"07:15","hours":4.67,"mean_quality":0.0,"start":"2027-09-26T23:35Z","start_local":"02:35","target":null}],"targets":[{"best_window":{"end":"2027-09-26T23:10Z","end_local":"02:10","hours":5.42,"label":"good","mean_quality":0.92,"start":"2027-09-26T17:45Z","start_local":"20:45"},"dec":22.71085365,"moon_separation":137.5,"name":"HD 189733","quality_hours":5.54,"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":100,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":178.8,"t":"2027-09-26T18:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-09-26T16:40Z","end_local":"19:40","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-09-26T16:10Z","start_local":"19:10"},{"end":"2027-09-26T17:15Z","end_local":"20:15","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2027-09-26T16:40Z","start_local":"19:40"},{"end":"2027-09-26T17:45Z","end_local":"20:45","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-09-26T17:15Z","start_local":"20:15"},{"end":"2027-09-26T23:10Z","end_local":"02:10","hours":5.42,"label":"good","mean_quality":0.92,"start":"2027-09-26T17:45Z","start_local":"20:45"},{"end":"2027-09-26T23:35Z","end_local":"02:35","hours":0.42,"label":"marginal","mean_quality":0.49,"start":"2027-09-26T23:10Z","start_local":"02:10"},{"end":"2027-09-27T04:15Z","end_local":"07:15","hours":4.67,"label":"unusable","mean_quality":0.0,"start":"2027-09-26T23:35Z","start_local":"02:35"}]}],"unscheduled":[],"warnings":[]}