{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-09-20","schedule":[{"end":"2025-09-20T17:25Z","end_local":"20:25","hours":1.08,"mean_quality":0.0,"start":"2025-09-20T16:20Z","start_local":"19:20","target":null},{"end":"2025-09-20T20:00Z","end_local":"23:00","hours":2.58,"mean_quality":0.8,"start":"2025-09-20T17:25Z","start_local":"20:25","target":"V1057 Cyg"},{"end":"2025-09-20T22:00Z","end_local":"01:00","hours":2.0,"mean_quality":0.0,"start":"2025-09-20T20:00Z","start_local":"23:00","target":null},{"end":"2025-09-21T02:15Z","end_local":"05:15","hours":4.25,"mean_quality":0.77,"start":"2025-09-20T22:00Z","start_local":"01:00","target":"V1057 Cyg"},{"end":"2025-09-21T04:10Z","end_local":"07:10","hours":1.92,"mean_quality":0.0,"start":"2025-09-21T02:15Z","start_local":"05:15","target":null}],"targets":[{"best_window":{"end":"2025-09-21T01:40Z","end_local":"04:40","hours":3.67,"label":"good","mean_quality":0.82,"start":"2025-09-20T22:00Z","start_local":"01:00"},"dec":44.25788576,"moon_separation":122.1,"name":"V1057 Cyg","quality_hours":5.72,"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":73,"score_astronomy":100,"score_weather":73,"transit":{"airmass":1.0,"alt":87.3,"az":4.3,"t":"2025-09-20T19:20Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2025-09-20T16:50Z","end_local":"19:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-09-20T16:20Z","start_local":"19:20"},{"end":"2025-09-20T17:25Z","end_local":"20:25","hours":0.58,"label":"poor","mean_quality":0.14,"start":"2025-09-20T16:50Z","start_local":"19:50"},{"end":"2025-09-20T18:00Z","end_local":"21:00","hours":0.58,"label":"marginal","mean_quality":0.46,"start":"2025-09-20T17:25Z","start_local":"20:25"},{"end":"2025-09-20T20:00Z","end_local":"23:00","hours":2.0,"label":"good","mean_quality":0.91,"start":"2025-09-20T18:00Z","start_local":"21:00"},{"end":"2025-09-20T21:00Z","end_local":"00:00","hours":1.0,"label":"unusable","mean_quality":0.0,"start":"2025-09-20T20:00Z","start_local":"23:00"},{"end":"2025-09-20T22:00Z","end_local":"01:00","hours":1.0,"label":"poor","mean_quality":0.28,"start":"2025-09-20T21:00Z","start_local":"00:00"},{"end":"2025-09-21T01:40Z","end_local":"04:40","hours":3.67,"label":"good","mean_quality":0.82,"start":"2025-09-20T22:00Z","start_local":"01:00"},{"end":"2025-09-21T02:15Z","end_local":"05:15","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2025-09-21T01:40Z","start_local":"04:40"},{"end":"2025-09-21T04:10Z","end_local":"07:10","hours":1.92,"label":"unusable","mean_quality":0.0,"start":"2025-09-21T02:15Z","start_local":"05:15"}]}],"unscheduled":[],"warnings":[]}