{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-12-13","schedule":[{"end":"2027-12-13T16:35Z","end_local":"18:35","hours":1.75,"mean_quality":0.0,"start":"2027-12-13T14:50Z","start_local":"16:50","target":null},{"end":"2027-12-13T19:20Z","end_local":"21:20","hours":2.75,"mean_quality":0.35,"start":"2027-12-13T16:35Z","start_local":"18:35","target":"M45"},{"end":"2027-12-14T05:40Z","end_local":"07:40","hours":10.33,"mean_quality":0.0,"start":"2027-12-13T19:20Z","start_local":"21:20","target":null}],"targets":[{"best_window":{"end":"2027-12-13T19:20Z","end_local":"21:20","hours":2.75,"label":"marginal","mean_quality":0.35,"start":"2027-12-13T16:35Z","start_local":"18:35"},"dec":24.11388889,"moon_separation":25.3,"name":"M45","quality_hours":2.69,"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":26,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":180.1,"t":"2027-12-13T20:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-12-13T15:25Z","end_local":"17:25","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-12-13T14:50Z","start_local":"16:50"},{"end":"2027-12-13T16:35Z","end_local":"18:35","hours":1.17,"label":"poor","mean_quality":0.13,"start":"2027-12-13T15:25Z","start_local":"17:25"},{"end":"2027-12-13T19:20Z","end_local":"21:20","hours":2.75,"label":"marginal","mean_quality":0.35,"start":"2027-12-13T16:35Z","start_local":"18:35"},{"end":"2027-12-14T02:20Z","end_local":"04:20","hours":7.0,"label":"poor","mean_quality":0.22,"start":"2027-12-13T19:20Z","start_local":"21:20"},{"end":"2027-12-14T05:40Z","end_local":"07:40","hours":3.33,"label":"unusable","mean_quality":0.0,"start":"2027-12-14T02:20Z","start_local":"04:20"}]}],"unscheduled":[],"warnings":[]}
