{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2031-03-13","schedule":[{"end":"2031-03-13T17:25Z","end_local":"19:25","hours":1.08,"mean_quality":0.0,"start":"2031-03-13T16:20Z","start_local":"18:20","target":null},{"end":"2031-03-13T20:25Z","end_local":"22:25","hours":3.0,"mean_quality":0.7,"start":"2031-03-13T17:25Z","start_local":"19:25","target":"M45"},{"end":"2031-03-14T04:40Z","end_local":"06:40","hours":8.25,"mean_quality":0.0,"start":"2031-03-13T20:25Z","start_local":"22:25","target":null}],"targets":[{"best_window":{"end":"2031-03-13T19:55Z","end_local":"21:55","hours":1.92,"label":"good","mean_quality":0.82,"start":"2031-03-13T18:00Z","start_local":"20:00"},"dec":24.11388889,"moon_separation":172.2,"name":"M45","quality_hours":2.17,"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":49,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":179.9,"t":"2031-03-13T14:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2031-03-13T16:55Z","end_local":"18:55","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2031-03-13T16:20Z","start_local":"18:20"},{"end":"2031-03-13T17:25Z","end_local":"19:25","hours":0.5,"label":"poor","mean_quality":0.15,"start":"2031-03-13T16:55Z","start_local":"18:55"},{"end":"2031-03-13T18:00Z","end_local":"20:00","hours":0.58,"label":"marginal","mean_quality":0.47,"start":"2031-03-13T17:25Z","start_local":"19:25"},{"end":"2031-03-13T19:55Z","end_local":"21:55","hours":1.92,"label":"good","mean_quality":0.82,"start":"2031-03-13T18:00Z","start_local":"20:00"},{"end":"2031-03-13T20:25Z","end_local":"22:25","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2031-03-13T19:55Z","start_local":"21:55"},{"end":"2031-03-14T04:40Z","end_local":"06:40","hours":8.25,"label":"unusable","mean_quality":0.0,"start":"2031-03-13T20:25Z","start_local":"22:25"}]}],"unscheduled":[],"warnings":[]}