{"calculation_version":"2026-10-10.1","forecast_source":"history","night_date":"2026-06-18","schedule":[{"end":"2026-06-18T22:40Z","end_local":"01:40","hours":4.75,"mean_quality":0.0,"start":"2026-06-18T17:55Z","start_local":"20:55","target":null},{"end":"2026-06-19T01:00Z","end_local":"04:00","hours":2.33,"mean_quality":0.56,"start":"2026-06-18T22:40Z","start_local":"01:40","target":"M31"},{"end":"2026-06-19T02:50Z","end_local":"05:50","hours":1.83,"mean_quality":0.0,"start":"2026-06-19T01:00Z","start_local":"04:00","target":null}],"targets":[{"best_window":{"end":"2026-06-19T00:40Z","end_local":"03:40","hours":1.17,"label":"good","mean_quality":0.69,"start":"2026-06-18T23:30Z","start_local":"02:30"},"dec":41.26875,"moon_separation":108.2,"name":"M31","quality_hours":1.31,"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":28,"score_astronomy":41,"score_weather":69,"transit":{"airmass":1.0,"alt":89.7,"az":163.8,"t":"2026-06-19T05:15Z"},"verdict":"poor","weather_known":true,"windows":[{"end":"2026-06-18T22:40Z","end_local":"01:40","hours":4.75,"label":"unusable","mean_quality":0.0,"start":"2026-06-18T17:55Z","start_local":"20:55"},{"end":"2026-06-18T23:30Z","end_local":"02:30","hours":0.83,"label":"marginal","mean_quality":0.45,"start":"2026-06-18T22:40Z","start_local":"01:40"},{"end":"2026-06-19T00:40Z","end_local":"03:40","hours":1.17,"label":"good","mean_quality":0.69,"start":"2026-06-18T23:30Z","start_local":"02:30"},{"end":"2026-06-19T01:00Z","end_local":"04:00","hours":0.33,"label":"marginal","mean_quality":0.38,"start":"2026-06-19T00:40Z","start_local":"03:40"},{"end":"2026-06-19T02:50Z","end_local":"05:50","hours":1.83,"label":"unusable","mean_quality":0.0,"start":"2026-06-19T01:00Z","start_local":"04:00"}]}],"unscheduled":[],"warnings":[]}
