{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2025-09-06","schedule":[{"end":"2025-09-06T18:25Z","end_local":"21:25","hours":1.67,"mean_quality":0.0,"start":"2025-09-06T16:45Z","start_local":"19:45","target":null},{"end":"2025-09-07T02:55Z","end_local":"05:55","hours":8.5,"mean_quality":0.48,"start":"2025-09-06T18:25Z","start_local":"21:25","target":"M31"},{"end":"2025-09-07T03:55Z","end_local":"06:55","hours":1.0,"mean_quality":0.0,"start":"2025-09-07T02:55Z","start_local":"05:55","target":null}],"targets":[{"best_window":{"end":"2025-09-07T02:20Z","end_local":"05:20","hours":0.33,"label":"good","mean_quality":0.61,"start":"2025-09-07T02:00Z","start_local":"05:00"},"dec":41.26875,"moon_separation":61.6,"name":"M31","quality_hours":4.26,"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":59,"score_astronomy":67,"score_weather":88,"transit":{"airmass":1.0,"alt":89.7,"az":184.1,"t":"2025-09-07T00:00Z"},"verdict":"marginal","weather_known":true,"windows":[{"end":"2025-09-06T17:25Z","end_local":"20:25","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2025-09-06T16:45Z","start_local":"19:45"},{"end":"2025-09-06T18:25Z","end_local":"21:25","hours":1.0,"label":"poor","mean_quality":0.13,"start":"2025-09-06T17:25Z","start_local":"20:25"},{"end":"2025-09-07T02:00Z","end_local":"05:00","hours":7.58,"label":"marginal","mean_quality":0.49,"start":"2025-09-06T18:25Z","start_local":"21:25"},{"end":"2025-09-07T02:20Z","end_local":"05:20","hours":0.33,"label":"good","mean_quality":0.61,"start":"2025-09-07T02:00Z","start_local":"05:00"},{"end":"2025-09-07T02:55Z","end_local":"05:55","hours":0.58,"label":"marginal","mean_quality":0.31,"start":"2025-09-07T02:20Z","start_local":"05:20"},{"end":"2025-09-07T03:25Z","end_local":"06:25","hours":0.5,"label":"poor","mean_quality":0.1,"start":"2025-09-07T02:55Z","start_local":"05:55"},{"end":"2025-09-07T03:55Z","end_local":"06:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-09-07T03:25Z","start_local":"06:25"}]}],"unscheduled":[],"warnings":[]}