{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-04-23","schedule":[{"end":"2025-04-23T23:00Z","end_local":"02:00","hours":5.83,"mean_quality":0.0,"start":"2025-04-23T17:10Z","start_local":"20:10","target":null},{"end":"2025-04-24T01:45Z","end_local":"04:45","hours":2.75,"mean_quality":0.63,"start":"2025-04-23T23:00Z","start_local":"02:00","target":"V1057 Cyg"},{"end":"2025-04-24T02:00Z","end_local":"05:00","hours":0.25,"mean_quality":0.0,"start":"2025-04-24T01:45Z","start_local":"04:45","target":null},{"end":"2025-04-24T02:25Z","end_local":"05:25","hours":0.42,"mean_quality":0.35,"start":"2025-04-24T02:00Z","start_local":"05:00","target":"V1057 Cyg"},{"end":"2025-04-24T03:30Z","end_local":"06:30","hours":1.08,"mean_quality":0.0,"start":"2025-04-24T02:25Z","start_local":"05:25","target":null}],"targets":[{"best_window":{"end":"2025-04-24T01:00Z","end_local":"04:00","hours":1.0,"label":"good","mean_quality":0.78,"start":"2025-04-24T00:00Z","start_local":"03:00"},"dec":44.25788576,"moon_separation":58.9,"name":"V1057 Cyg","quality_hours":2.18,"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":51,"score_astronomy":72,"score_weather":72,"transit":{"airmass":1.0,"alt":87.3,"az":3.4,"t":"2025-04-24T05:10Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2025-04-23T22:20Z","end_local":"01:20","hours":5.17,"label":"unusable","mean_quality":0.0,"start":"2025-04-23T17:10Z","start_local":"20:10"},{"end":"2025-04-23T23:00Z","end_local":"02:00","hours":0.67,"label":"poor","mean_quality":0.24,"start":"2025-04-23T22:20Z","start_local":"01:20"},{"end":"2025-04-24T00:00Z","end_local":"03:00","hours":1.0,"label":"marginal","mean_quality":0.5,"start":"2025-04-23T23:00Z","start_local":"02:00"},{"end":"2025-04-24T01:00Z","end_local":"04:00","hours":1.0,"label":"good","mean_quality":0.78,"start":"2025-04-24T00:00Z","start_local":"03:00"},{"end":"2025-04-24T01:15Z","end_local":"04:15","hours":0.25,"label":"marginal","mean_quality":0.59,"start":"2025-04-24T01:00Z","start_local":"04:00"},{"end":"2025-04-24T01:45Z","end_local":"04:45","hours":0.5,"label":"good","mean_quality":0.61,"start":"2025-04-24T01:15Z","start_local":"04:15"},{"end":"2025-04-24T02:00Z","end_local":"05:00","hours":0.25,"label":"poor","mean_quality":0.29,"start":"2025-04-24T01:45Z","start_local":"04:45"},{"end":"2025-04-24T02:25Z","end_local":"05:25","hours":0.42,"label":"marginal","mean_quality":0.35,"start":"2025-04-24T02:00Z","start_local":"05:00"},{"end":"2025-04-24T03:00Z","end_local":"06:00","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2025-04-24T02:25Z","start_local":"05:25"},{"end":"2025-04-24T03:30Z","end_local":"06:30","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-04-24T03:00Z","start_local":"06:00"}]}],"unscheduled":[],"warnings":[]}