{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-04-23","schedule":[{"end":"2026-04-23T22:20Z","end_local":"01:20","hours":5.17,"mean_quality":0.0,"start":"2026-04-23T17:10Z","start_local":"20:10","target":null},{"end":"2026-04-24T01:00Z","end_local":"04:00","hours":2.67,"mean_quality":0.69,"start":"2026-04-23T22:20Z","start_local":"01:20","target":"V1057 Cyg"},{"end":"2026-04-24T03:30Z","end_local":"06:30","hours":2.5,"mean_quality":0.0,"start":"2026-04-24T01:00Z","start_local":"04:00","target":null}],"targets":[{"best_window":{"end":"2026-04-24T01:00Z","end_local":"04:00","hours":1.83,"label":"good","mean_quality":0.77,"start":"2026-04-23T23:10Z","start_local":"02:10"},"dec":44.25788576,"moon_separation":112.3,"name":"V1057 Cyg","quality_hours":1.83,"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":43,"score_astronomy":71,"score_weather":61,"transit":{"airmass":1.0,"alt":87.3,"az":7.2,"t":"2026-04-24T05:10Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2026-04-23T22:20Z","end_local":"01:20","hours":5.17,"label":"unusable","mean_quality":0.0,"start":"2026-04-23T17:10Z","start_local":"20:10"},{"end":"2026-04-23T23:10Z","end_local":"02:10","hours":0.83,"label":"marginal","mean_quality":0.49,"start":"2026-04-23T22:20Z","start_local":"01:20"},{"end":"2026-04-24T01:00Z","end_local":"04:00","hours":1.83,"label":"good","mean_quality":0.77,"start":"2026-04-23T23:10Z","start_local":"02:10"},{"end":"2026-04-24T03:30Z","end_local":"06:30","hours":2.5,"label":"unusable","mean_quality":0.0,"start":"2026-04-24T01:00Z","start_local":"04:00"}]}],"unscheduled":[],"warnings":[]}