{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-06-17","schedule":[{"end":"2025-06-17T22:40Z","end_local":"01:40","hours":4.75,"mean_quality":0.0,"start":"2025-06-17T17:55Z","start_local":"20:55","target":null},{"end":"2025-06-18T01:30Z","end_local":"04:30","hours":2.83,"mean_quality":0.47,"start":"2025-06-17T22:40Z","start_local":"01:40","target":"M31"},{"end":"2025-06-18T02:50Z","end_local":"05:50","hours":1.33,"mean_quality":0.0,"start":"2025-06-18T01:30Z","start_local":"04:30","target":null}],"targets":[{"best_window":{"end":"2025-06-18T00:40Z","end_local":"03:40","hours":0.92,"label":"good","mean_quality":0.61,"start":"2025-06-17T23:45Z","start_local":"02:45"},"dec":41.26875,"moon_separation":52.1,"name":"M31","quality_hours":1.39,"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":22,"score_astronomy":22,"score_weather":100,"transit":{"airmass":1.0,"alt":89.6,"az":227.4,"t":"2025-06-18T05:20Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2025-06-17T22:40Z","end_local":"01:40","hours":4.75,"label":"unusable","mean_quality":0.0,"start":"2025-06-17T17:55Z","start_local":"20:55"},{"end":"2025-06-17T23:45Z","end_local":"02:45","hours":1.08,"label":"marginal","mean_quality":0.45,"start":"2025-06-17T22:40Z","start_local":"01:40"},{"end":"2025-06-18T00:40Z","end_local":"03:40","hours":0.92,"label":"good","mean_quality":0.61,"start":"2025-06-17T23:45Z","start_local":"02:45"},{"end":"2025-06-18T01:30Z","end_local":"04:30","hours":0.83,"label":"marginal","mean_quality":0.32,"start":"2025-06-18T00:40Z","start_local":"03:40"},{"end":"2025-06-18T02:15Z","end_local":"05:15","hours":0.75,"label":"poor","mean_quality":0.1,"start":"2025-06-18T01:30Z","start_local":"04:30"},{"end":"2025-06-18T02:50Z","end_local":"05:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2025-06-18T02:15Z","start_local":"05:15"}]}],"unscheduled":[],"warnings":[]}