{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-05-03","schedule":[{"end":"2026-05-03T22:00Z","end_local":"01:00","hours":4.67,"mean_quality":0.0,"start":"2026-05-03T17:20Z","start_local":"20:20","target":null},{"end":"2026-05-04T02:10Z","end_local":"05:10","hours":4.17,"mean_quality":0.58,"start":"2026-05-03T22:00Z","start_local":"01:00","target":"V1057 Cyg"},{"end":"2026-05-04T03:15Z","end_local":"06:15","hours":1.08,"mean_quality":0.0,"start":"2026-05-04T02:10Z","start_local":"05:10","target":null}],"targets":[{"best_window":{"end":"2026-05-04T01:30Z","end_local":"04:30","hours":2.5,"label":"good","mean_quality":0.68,"start":"2026-05-03T23:00Z","start_local":"02:00"},"dec":44.25788576,"moon_separation":95.1,"name":"V1057 Cyg","quality_hours":2.5,"ra":314.72388973,"resolved":{"dec":44.25788576,"name":"EM* LkHA 190","ra":314.72388973,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=V1057%20Cyg","source":"sesame","spectral_type":"F7/G3I/IIe","type":"Or*","type_text":"Orion-type variable \u2014 a young, erupting star","vmag":12.33},"score":48,"score_astronomy":52,"score_weather":93,"transit":{"airmass":1.0,"alt":87.3,"az":350.7,"t":"2026-05-04T04:35Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-05-03T22:00Z","end_local":"01:00","hours":4.67,"label":"unusable","mean_quality":0.0,"start":"2026-05-03T17:20Z","start_local":"20:20"},{"end":"2026-05-03T23:00Z","end_local":"02:00","hours":1.0,"label":"marginal","mean_quality":0.46,"start":"2026-05-03T22:00Z","start_local":"01:00"},{"end":"2026-05-04T01:30Z","end_local":"04:30","hours":2.5,"label":"good","mean_quality":0.68,"start":"2026-05-03T23:00Z","start_local":"02:00"},{"end":"2026-05-04T02:10Z","end_local":"05:10","hours":0.67,"label":"marginal","mean_quality":0.39,"start":"2026-05-04T01:30Z","start_local":"04:30"},{"end":"2026-05-04T02:45Z","end_local":"05:45","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2026-05-04T02:10Z","start_local":"05:10"},{"end":"2026-05-04T03:15Z","end_local":"06:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-05-04T02:45Z","start_local":"05:45"}]}],"unscheduled":[],"warnings":[]}