{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-04-08","schedule":[{"end":"2028-04-08T18:35Z","end_local":"21:35","hours":1.75,"mean_quality":0.0,"start":"2028-04-08T16:50Z","start_local":"19:50","target":null},{"end":"2028-04-08T18:40Z","end_local":"21:40","hours":0.08,"mean_quality":0.36,"start":"2028-04-08T18:35Z","start_local":"21:35","target":"M45"},{"end":"2028-04-09T03:55Z","end_local":"06:55","hours":9.25,"mean_quality":0.0,"start":"2028-04-08T18:40Z","start_local":"21:40","target":null}],"targets":[{"best_window":{"end":"2028-04-08T18:40Z","end_local":"21:40","hours":0.08,"label":"marginal","mean_quality":0.36,"start":"2028-04-08T18:35Z","start_local":"21:35"},"dec":24.11388889,"moon_separation":133.0,"name":"M45","quality_hours":0.23,"ra":56.60083333,"resolved":{"common_name":"Seven Sisters","dec":24.11388889,"name":"Cl Melotte 22","ra":56.60083333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M45","source":"sesame","type":"OpC","type_text":"open cluster"},"score":null,"score_astronomy":2,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":180.1,"t":"2028-04-08T13:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-04-08T17:25Z","end_local":"20:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-04-08T16:50Z","start_local":"19:50"},{"end":"2028-04-08T18:35Z","end_local":"21:35","hours":1.17,"label":"poor","mean_quality":0.18,"start":"2028-04-08T17:25Z","start_local":"20:25"},{"end":"2028-04-08T18:40Z","end_local":"21:40","hours":0.08,"label":"marginal","mean_quality":0.36,"start":"2028-04-08T18:35Z","start_local":"21:35"},{"end":"2028-04-09T03:55Z","end_local":"06:55","hours":9.25,"label":"unusable","mean_quality":0.0,"start":"2028-04-08T18:40Z","start_local":"21:40"}]}],"unscheduled":[],"warnings":[]}
