{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-12-25","schedule":[{"end":"2027-12-25T16:05Z","end_local":"18:05","hours":1.17,"mean_quality":0.0,"start":"2027-12-25T14:55Z","start_local":"16:55","target":null},{"end":"2027-12-25T17:40Z","end_local":"19:40","hours":1.58,"mean_quality":0.55,"start":"2027-12-25T16:05Z","start_local":"18:05","target":"HD 189733"},{"end":"2027-12-26T05:50Z","end_local":"07:50","hours":12.17,"mean_quality":0.0,"start":"2027-12-25T17:40Z","start_local":"19:40","target":null}],"targets":[{"best_window":{"end":"2027-12-25T17:15Z","end_local":"19:15","hours":0.58,"label":"good","mean_quality":0.72,"start":"2027-12-25T16:40Z","start_local":"18:40"},"dec":22.71085365,"moon_separation":69.0,"name":"HD 189733","quality_hours":0.95,"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":19,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":181.5,"t":"2027-12-25T12:10Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-12-25T15:30Z","end_local":"17:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-12-25T14:55Z","start_local":"16:55"},{"end":"2027-12-25T16:05Z","end_local":"18:05","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2027-12-25T15:30Z","start_local":"17:30"},{"end":"2027-12-25T16:40Z","end_local":"18:40","hours":0.58,"label":"marginal","mean_quality":0.42,"start":"2027-12-25T16:05Z","start_local":"18:05"},{"end":"2027-12-25T17:15Z","end_local":"19:15","hours":0.58,"label":"good","mean_quality":0.72,"start":"2027-12-25T16:40Z","start_local":"18:40"},{"end":"2027-12-25T17:40Z","end_local":"19:40","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2027-12-25T17:15Z","start_local":"19:15"},{"end":"2027-12-26T05:50Z","end_local":"07:50","hours":12.17,"label":"unusable","mean_quality":0.0,"start":"2027-12-25T17:40Z","start_local":"19:40"}]}],"unscheduled":[],"warnings":[]}
