{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-08-05","schedule":[{"end":"2026-08-05T23:45Z","end_local":"02:45","hours":6.25,"mean_quality":0.0,"start":"2026-08-05T17:30Z","start_local":"20:30","target":null},{"end":"2026-08-06T01:30Z","end_local":"04:30","hours":1.75,"mean_quality":0.47,"start":"2026-08-05T23:45Z","start_local":"02:45","target":"M45"},{"end":"2026-08-06T03:25Z","end_local":"06:25","hours":1.92,"mean_quality":0.0,"start":"2026-08-06T01:30Z","start_local":"04:30","target":null}],"targets":[{"best_window":{"end":"2026-08-06T01:30Z","end_local":"04:30","hours":1.75,"label":"marginal","mean_quality":0.47,"start":"2026-08-05T23:45Z","start_local":"02:45"},"dec":24.11388889,"moon_separation":18.3,"name":"M45","quality_hours":1.13,"ra":56.60083333,"resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"score":16,"score_astronomy":16,"score_weather":97,"transit":{"airmass":1.05,"alt":72.5,"az":180.0,"t":"2026-08-06T05:10Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-08-05T23:35Z","end_local":"02:35","hours":6.08,"label":"unusable","mean_quality":0.0,"start":"2026-08-05T17:30Z","start_local":"20:30"},{"end":"2026-08-05T23:45Z","end_local":"02:45","hours":0.17,"label":"poor","mean_quality":0.27,"start":"2026-08-05T23:35Z","start_local":"02:35"},{"end":"2026-08-06T01:30Z","end_local":"04:30","hours":1.75,"label":"marginal","mean_quality":0.47,"start":"2026-08-05T23:45Z","start_local":"02:45"},{"end":"2026-08-06T02:50Z","end_local":"05:50","hours":1.33,"label":"poor","mean_quality":0.19,"start":"2026-08-06T01:30Z","start_local":"04:30"},{"end":"2026-08-06T03:25Z","end_local":"06:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2026-08-06T02:50Z","start_local":"05:50"}]}],"unscheduled":[],"warnings":[]}