{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-05-18","schedule":[{"end":"2026-05-19T03:00Z","end_local":"06:00","hours":9.42,"mean_quality":0.0,"start":"2026-05-18T17:35Z","start_local":"20:35","target":null}],"targets":[{"best_window":null,"dec":44.33,"moon_separation":95.8,"name":"NGC 7000","quality_hours":0.18,"ra":314.69583333,"resolved":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"},"score":5,"score_astronomy":100,"score_weather":5,"transit":{"airmass":1.0,"alt":87.2,"az":354.3,"t":"2026-05-19T03:35Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-05-19T00:00Z","end_local":"03:00","hours":6.42,"label":"unusable","mean_quality":0.0,"start":"2026-05-18T17:35Z","start_local":"20:35"},{"end":"2026-05-19T01:00Z","end_local":"04:00","hours":1.0,"label":"poor","mean_quality":0.18,"start":"2026-05-19T00:00Z","start_local":"03:00"},{"end":"2026-05-19T03:00Z","end_local":"06:00","hours":2.0,"label":"unusable","mean_quality":0.0,"start":"2026-05-19T01:00Z","start_local":"04:00"}]}],"unscheduled":[{"name":"NGC 7000","why":"Overcast (\u226580 % cloud) for 6.5 of 8.3 dark hours \u2014 the sky is closed whatever the geometry says."}],"warnings":[]}