{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-12-21","schedule":[{"end":"2025-12-22T05:50Z","end_local":"07:50","hours":15.0,"mean_quality":0.0,"start":"2025-12-21T14:50Z","start_local":"16:50","target":null}],"targets":[{"best_window":null,"dec":44.25788576,"moon_separation":72.6,"name":"V1057 Cyg","quality_hours":0.03,"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":1,"score_astronomy":78,"score_weather":1,"transit":{"airmass":1.0,"alt":87.3,"az":357.7,"t":"2025-12-21T13:20Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2025-12-21T14:50Z","start_local":"16:50"},{"end":"2025-12-21T16:00Z","end_local":"18:00","hours":0.5,"label":"poor","mean_quality":0.06,"start":"2025-12-21T15:30Z","start_local":"17:30"},{"end":"2025-12-22T05:50Z","end_local":"07:50","hours":13.83,"label":"unusable","mean_quality":0.0,"start":"2025-12-21T16:00Z","start_local":"18:00"}]}],"unscheduled":[{"name":"V1057 Cyg","why":"Overcast (\u226580 % cloud) for 13.3 of 13.8 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}