{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-07-28","schedule":[{"end":"2027-07-29T00:10Z","end_local":"03:10","hours":6.5,"mean_quality":0.0,"start":"2027-07-28T17:40Z","start_local":"20:40","target":null},{"end":"2027-07-29T02:05Z","end_local":"05:05","hours":1.92,"mean_quality":0.48,"start":"2027-07-29T00:10Z","start_local":"03:10","target":"M45"},{"end":"2027-07-29T03:15Z","end_local":"06:15","hours":1.17,"mean_quality":0.0,"start":"2027-07-29T02:05Z","start_local":"05:05","target":null}],"targets":[{"best_window":{"end":"2027-07-29T01:20Z","end_local":"04:20","hours":0.5,"label":"good","mean_quality":0.66,"start":"2027-07-29T00:50Z","start_local":"03:50"},"dec":24.11388889,"moon_separation":4.0,"name":"M45","quality_hours":0.99,"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":17,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":178.1,"t":"2027-07-29T05:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-07-29T00:10Z","end_local":"03:10","hours":6.5,"label":"unusable","mean_quality":0.0,"start":"2027-07-28T17:40Z","start_local":"20:40"},{"end":"2027-07-29T00:50Z","end_local":"03:50","hours":0.67,"label":"marginal","mean_quality":0.47,"start":"2027-07-29T00:10Z","start_local":"03:10"},{"end":"2027-07-29T01:20Z","end_local":"04:20","hours":0.5,"label":"good","mean_quality":0.66,"start":"2027-07-29T00:50Z","start_local":"03:50"},{"end":"2027-07-29T02:05Z","end_local":"05:05","hours":0.75,"label":"marginal","mean_quality":0.35,"start":"2027-07-29T01:20Z","start_local":"04:20"},{"end":"2027-07-29T02:45Z","end_local":"05:45","hours":0.67,"label":"poor","mean_quality":0.11,"start":"2027-07-29T02:05Z","start_local":"05:05"},{"end":"2027-07-29T03:15Z","end_local":"06:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-07-29T02:45Z","start_local":"05:45"}]}],"unscheduled":[],"warnings":[]}