{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-08-07","schedule":[{"end":"2027-08-07T23:30Z","end_local":"02:30","hours":6.0,"mean_quality":0.0,"start":"2027-08-07T17:30Z","start_local":"20:30","target":null},{"end":"2027-08-08T02:15Z","end_local":"05:15","hours":2.75,"mean_quality":0.67,"start":"2027-08-07T23:30Z","start_local":"02:30","target":"M45"},{"end":"2027-08-08T03:25Z","end_local":"06:25","hours":1.17,"mean_quality":0.0,"start":"2027-08-08T02:15Z","start_local":"05:15","target":null}],"targets":[{"best_window":{"end":"2027-08-08T01:35Z","end_local":"04:35","hours":1.67,"label":"good","mean_quality":0.8,"start":"2027-08-07T23:55Z","start_local":"02:55"},"dec":24.11388889,"moon_separation":150.1,"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":43,"score_weather":null,"transit":{"airmass":1.05,"alt":72.5,"az":181.4,"t":"2027-08-08T05:05Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-08-07T23:30Z","end_local":"02:30","hours":6.0,"label":"unusable","mean_quality":0.0,"start":"2027-08-07T17:30Z","start_local":"20:30"},{"end":"2027-08-07T23:55Z","end_local":"02:55","hours":0.42,"label":"marginal","mean_quality":0.49,"start":"2027-08-07T23:30Z","start_local":"02:30"},{"end":"2027-08-08T01:35Z","end_local":"04:35","hours":1.67,"label":"good","mean_quality":0.8,"start":"2027-08-07T23:55Z","start_local":"02:55"},{"end":"2027-08-08T02:15Z","end_local":"05:15","hours":0.67,"label":"marginal","mean_quality":0.46,"start":"2027-08-08T01:35Z","start_local":"04:35"},{"end":"2027-08-08T02:55Z","end_local":"05:55","hours":0.67,"label":"poor","mean_quality":0.14,"start":"2027-08-08T02:15Z","start_local":"05:15"},{"end":"2027-08-08T03:25Z","end_local":"06:25","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-08-08T02:55Z","start_local":"05:55"}]}],"unscheduled":[],"warnings":[]}