{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-03-06","schedule":[{"end":"2027-03-07T01:55Z","end_local":"03:55","hours":9.67,"mean_quality":0.0,"start":"2027-03-06T16:15Z","start_local":"18:15","target":null},{"end":"2027-03-07T03:50Z","end_local":"05:50","hours":1.92,"mean_quality":0.59,"start":"2027-03-07T01:55Z","start_local":"03:55","target":"HD 189733"},{"end":"2027-03-07T04:50Z","end_local":"06:50","hours":1.0,"mean_quality":0.0,"start":"2027-03-07T03:50Z","start_local":"05:50","target":null}],"targets":[{"best_window":{"end":"2027-03-07T03:15Z","end_local":"05:15","hours":0.83,"label":"good","mean_quality":0.76,"start":"2027-03-07T02:25Z","start_local":"04:25"},"dec":22.71085365,"moon_separation":45.4,"name":"HD 189733","quality_hours":1.21,"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":25,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":180.9,"t":"2027-03-07T07:25Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-03-07T01:55Z","end_local":"03:55","hours":9.67,"label":"unusable","mean_quality":0.0,"start":"2027-03-06T16:15Z","start_local":"18:15"},{"end":"2027-03-07T02:25Z","end_local":"04:25","hours":0.5,"label":"marginal","mean_quality":0.51,"start":"2027-03-07T01:55Z","start_local":"03:55"},{"end":"2027-03-07T03:15Z","end_local":"05:15","hours":0.83,"label":"good","mean_quality":0.76,"start":"2027-03-07T02:25Z","start_local":"04:25"},{"end":"2027-03-07T03:50Z","end_local":"05:50","hours":0.58,"label":"marginal","mean_quality":0.43,"start":"2027-03-07T03:15Z","start_local":"05:15"},{"end":"2027-03-07T04:20Z","end_local":"06:20","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2027-03-07T03:50Z","start_local":"05:50"},{"end":"2027-03-07T04:50Z","end_local":"06:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-03-07T04:20Z","start_local":"06:20"}]}],"unscheduled":[],"warnings":[]}