{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-02-07","schedule":[{"end":"2028-02-07T17:20Z","end_local":"19:20","hours":1.67,"mean_quality":0.0,"start":"2028-02-07T15:40Z","start_local":"17:40","target":null},{"end":"2028-02-07T21:50Z","end_local":"23:50","hours":4.5,"mean_quality":0.36,"start":"2028-02-07T17:20Z","start_local":"19:20","target":"M45"},{"end":"2028-02-08T05:30Z","end_local":"07:30","hours":7.67,"mean_quality":0.0,"start":"2028-02-07T21:50Z","start_local":"23:50","target":null}],"targets":[{"best_window":{"end":"2028-02-07T21:50Z","end_local":"23:50","hours":4.5,"label":"marginal","mean_quality":0.36,"start":"2028-02-07T17:20Z","start_local":"19:20"},"dec":24.11388889,"moon_separation":41.3,"name":"M45","quality_hours":1.94,"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":20,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":180.2,"t":"2028-02-07T17:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-02-07T16:15Z","end_local":"18:15","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-02-07T15:40Z","start_local":"17:40"},{"end":"2028-02-07T17:20Z","end_local":"19:20","hours":1.08,"label":"poor","mean_quality":0.13,"start":"2028-02-07T16:15Z","start_local":"18:15"},{"end":"2028-02-07T21:50Z","end_local":"23:50","hours":4.5,"label":"marginal","mean_quality":0.36,"start":"2028-02-07T17:20Z","start_local":"19:20"},{"end":"2028-02-07T22:40Z","end_local":"00:40","hours":0.83,"label":"poor","mean_quality":0.23,"start":"2028-02-07T21:50Z","start_local":"23:50"},{"end":"2028-02-08T05:30Z","end_local":"07:30","hours":6.83,"label":"unusable","mean_quality":0.0,"start":"2028-02-07T22:40Z","start_local":"00:40"}]}],"unscheduled":[],"warnings":[]}
