{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-08-17","schedule":[{"end":"2026-08-17T19:05Z","end_local":"22:05","hours":1.83,"mean_quality":0.0,"start":"2026-08-17T17:15Z","start_local":"20:15","target":null},{"end":"2026-08-18T02:30Z","end_local":"05:30","hours":7.42,"mean_quality":0.88,"start":"2026-08-17T19:05Z","start_local":"22:05","target":"M31"},{"end":"2026-08-18T03:35Z","end_local":"06:35","hours":1.08,"mean_quality":0.0,"start":"2026-08-18T02:30Z","start_local":"05:30","target":null}],"targets":[{"best_window":{"end":"2026-08-18T01:50Z","end_local":"04:50","hours":6.58,"label":"good","mean_quality":0.93,"start":"2026-08-17T19:15Z","start_local":"22:15"},"dec":41.26875,"moon_separation":151.2,"name":"M31","quality_hours":6.71,"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":89.7,"az":197.5,"t":"2026-08-18T01:20Z"},"verdict":"good","weather_known":true,"windows":[{"end":"2026-08-17T18:45Z","end_local":"21:45","hours":1.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-17T17:15Z","start_local":"20:15"},{"end":"2026-08-17T19:05Z","end_local":"22:05","hours":0.33,"label":"poor","mean_quality":0.23,"start":"2026-08-17T18:45Z","start_local":"21:45"},{"end":"2026-08-17T19:15Z","end_local":"22:15","hours":0.17,"label":"marginal","mean_quality":0.55,"start":"2026-08-17T19:05Z","start_local":"22:05"},{"end":"2026-08-18T01:50Z","end_local":"04:50","hours":6.58,"label":"good","mean_quality":0.93,"start":"2026-08-17T19:15Z","start_local":"22:15"},{"end":"2026-08-18T02:30Z","end_local":"05:30","hours":0.67,"label":"marginal","mean_quality":0.5,"start":"2026-08-18T01:50Z","start_local":"04:50"},{"end":"2026-08-18T03:05Z","end_local":"06:05","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2026-08-18T02:30Z","start_local":"05:30"},{"end":"2026-08-18T03:35Z","end_local":"06:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2026-08-18T03:05Z","start_local":"06:05"}]}],"unscheduled":[],"warnings":[]}