{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-08-21","schedule":[{"end":"2026-08-21T18:55Z","end_local":"21:55","hours":1.75,"mean_quality":0.0,"start":"2026-08-21T17:10Z","start_local":"20:10","target":null},{"end":"2026-08-22T02:35Z","end_local":"05:35","hours":7.67,"mean_quality":0.88,"start":"2026-08-21T18:55Z","start_local":"21:55","target":"M31"},{"end":"2026-08-22T03:40Z","end_local":"06:40","hours":1.08,"mean_quality":0.0,"start":"2026-08-22T02:35Z","start_local":"05:35","target":null}],"targets":[{"best_window":{"end":"2026-08-22T01:55Z","end_local":"04:55","hours":6.83,"label":"good","mean_quality":0.92,"start":"2026-08-21T19:05Z","start_local":"22:05"},"dec":41.26875,"moon_separation":124.9,"name":"M31","quality_hours":6.91,"ra":10.68470833,"resolved":{"common_name":"Andromeda Galaxy","dec":41.26875,"morphology":"SA(s)b","name":"M 31","ra":10.68470833,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M31","source":"sesame","type":"AGN","type_text":"galaxy with an active nucleus","vmag":3.44},"score":100,"score_astronomy":100,"score_weather":100,"transit":{"airmass":1.0,"alt":89.6,"az":218.9,"t":"2026-08-22T01:05Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-08-21T18:25Z","end_local":"21:25","hours":1.25,"label":"unusable","mean_quality":0.0,"start":"2026-08-21T17:10Z","start_local":"20:10"},{"end":"2026-08-21T18:55Z","end_local":"21:55","hours":0.5,"label":"poor","mean_quality":0.22,"start":"2026-08-21T18:25Z","start_local":"21:25"},{"end":"2026-08-21T19:05Z","end_local":"22:05","hours":0.17,"label":"marginal","mean_quality":0.56,"start":"2026-08-21T18:55Z","start_local":"21:55"},{"end":"2026-08-22T01:55Z","end_local":"04:55","hours":6.83,"label":"good","mean_quality":0.92,"start":"2026-08-21T19:05Z","start_local":"22:05"},{"end":"2026-08-22T02:35Z","end_local":"05:35","hours":0.67,"label":"marginal","mean_quality":0.5,"start":"2026-08-22T01:55Z","start_local":"04:55"},{"end":"2026-08-22T03:10Z","end_local":"06:10","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-08-22T02:35Z","start_local":"05:35"},{"end":"2026-08-22T03:40Z","end_local":"06:40","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-22T03:10Z","start_local":"06:10"}]}],"unscheduled":[],"warnings":[]}