{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-07-13","schedule":[{"end":"2027-07-14T01:35Z","end_local":"04:35","hours":7.67,"mean_quality":0.0,"start":"2027-07-13T17:55Z","start_local":"20:55","target":null},{"end":"2027-07-14T01:45Z","end_local":"04:45","hours":0.17,"mean_quality":0.32,"start":"2027-07-14T01:35Z","start_local":"04:35","target":"M45"},{"end":"2027-07-14T03:00Z","end_local":"06:00","hours":1.25,"mean_quality":0.0,"start":"2027-07-14T01:45Z","start_local":"04:45","target":null}],"targets":[{"best_window":{"end":"2027-07-14T01:45Z","end_local":"04:45","hours":0.17,"label":"marginal","mean_quality":0.32,"start":"2027-07-14T01:35Z","start_local":"04:35"},"dec":24.11388889,"moon_separation":178.8,"name":"M45","quality_hours":0.25,"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":178.9,"t":"2027-07-14T06:40Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-07-14T01:10Z","end_local":"04:10","hours":7.25,"label":"unusable","mean_quality":0.0,"start":"2027-07-13T17:55Z","start_local":"20:55"},{"end":"2027-07-14T01:35Z","end_local":"04:35","hours":0.42,"label":"poor","mean_quality":0.25,"start":"2027-07-14T01:10Z","start_local":"04:10"},{"end":"2027-07-14T01:45Z","end_local":"04:45","hours":0.17,"label":"marginal","mean_quality":0.32,"start":"2027-07-14T01:35Z","start_local":"04:35"},{"end":"2027-07-14T02:30Z","end_local":"05:30","hours":0.75,"label":"poor","mean_quality":0.12,"start":"2027-07-14T01:45Z","start_local":"04:45"},{"end":"2027-07-14T03:00Z","end_local":"06:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-07-14T02:30Z","start_local":"05:30"}]}],"unscheduled":[],"warnings":[]}