{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-04-17","schedule":[{"end":"2026-04-17T22:45Z","end_local":"01:45","hours":5.75,"mean_quality":0.0,"start":"2026-04-17T17:00Z","start_local":"20:00","target":null},{"end":"2026-04-18T02:35Z","end_local":"05:35","hours":3.83,"mean_quality":0.7,"start":"2026-04-17T22:45Z","start_local":"01:45","target":"V1057 Cyg"},{"end":"2026-04-18T03:40Z","end_local":"06:40","hours":1.08,"mean_quality":0.0,"start":"2026-04-18T02:35Z","start_local":"05:35","target":null}],"targets":[{"best_window":{"end":"2026-04-18T02:00Z","end_local":"05:00","hours":2.58,"label":"good","mean_quality":0.82,"start":"2026-04-17T23:25Z","start_local":"02:25"},"dec":44.25788576,"moon_separation":68.0,"name":"V1057 Cyg","quality_hours":2.74,"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":64,"score_astronomy":67,"score_weather":95,"transit":{"airmass":1.0,"alt":87.3,"az":1.8,"t":"2026-04-18T05:35Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-04-17T22:45Z","end_local":"01:45","hours":5.75,"label":"unusable","mean_quality":0.0,"start":"2026-04-17T17:00Z","start_local":"20:00"},{"end":"2026-04-17T23:25Z","end_local":"02:25","hours":0.67,"label":"marginal","mean_quality":0.47,"start":"2026-04-17T22:45Z","start_local":"01:45"},{"end":"2026-04-18T02:00Z","end_local":"05:00","hours":2.58,"label":"good","mean_quality":0.82,"start":"2026-04-17T23:25Z","start_local":"02:25"},{"end":"2026-04-18T02:35Z","end_local":"05:35","hours":0.58,"label":"marginal","mean_quality":0.4,"start":"2026-04-18T02:00Z","start_local":"05:00"},{"end":"2026-04-18T03:10Z","end_local":"06:10","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2026-04-18T02:35Z","start_local":"05:35"},{"end":"2026-04-18T03:40Z","end_local":"06:40","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-04-18T03:10Z","start_local":"06:10"}]}],"unscheduled":[],"warnings":[]}
