{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-05-21","schedule":[{"end":"2028-05-21T19:05Z","end_local":"22:05","hours":1.42,"mean_quality":0.0,"start":"2028-05-21T17:40Z","start_local":"20:40","target":null},{"end":"2028-05-22T01:45Z","end_local":"04:45","hours":6.67,"mean_quality":0.84,"start":"2028-05-21T19:05Z","start_local":"22:05","target":"Vega"},{"end":"2028-05-22T03:00Z","end_local":"06:00","hours":1.25,"mean_quality":0.0,"start":"2028-05-22T01:45Z","start_local":"04:45","target":null}],"targets":[{"best_window":{"end":"2028-05-22T00:55Z","end_local":"03:55","hours":5.17,"label":"good","mean_quality":0.95,"start":"2028-05-21T19:45Z","start_local":"22:45"},"dec":38.78368896,"moon_separation":93.5,"name":"Vega","quality_hours":5.75,"ra":279.23473479,"resolved":{"common_name":"Vega","dec":38.78368896,"name":"* alf Lyr","ra":279.23473479,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Vega","source":"sesame","spectral_type":"A0V","type":"dS*","type_text":"delta Scuti variable","vmag":0.03},"score":null,"score_astronomy":100,"score_weather":null,"transit":{"airmass":1.0,"alt":87.1,"az":187.0,"t":"2028-05-22T01:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-05-21T18:30Z","end_local":"21:30","hours":0.83,"label":"unusable","mean_quality":0.0,"start":"2028-05-21T17:40Z","start_local":"20:40"},{"end":"2028-05-21T19:05Z","end_local":"22:05","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2028-05-21T18:30Z","start_local":"21:30"},{"end":"2028-05-21T19:45Z","end_local":"22:45","hours":0.67,"label":"marginal","mean_quality":0.37,"start":"2028-05-21T19:05Z","start_local":"22:05"},{"end":"2028-05-22T00:55Z","end_local":"03:55","hours":5.17,"label":"good","mean_quality":0.95,"start":"2028-05-21T19:45Z","start_local":"22:45"},{"end":"2028-05-22T01:45Z","end_local":"04:45","hours":0.83,"label":"marginal","mean_quality":0.5,"start":"2028-05-22T00:55Z","start_local":"03:55"},{"end":"2028-05-22T02:25Z","end_local":"05:25","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2028-05-22T01:45Z","start_local":"04:45"},{"end":"2028-05-22T03:00Z","end_local":"06:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-05-22T02:25Z","start_local":"05:25"}]}],"unscheduled":[],"warnings":[]}