{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-04-08","schedule":[{"end":"2027-04-08T18:00Z","end_local":"21:00","hours":1.17,"mean_quality":0.0,"start":"2027-04-08T16:50Z","start_local":"19:50","target":null},{"end":"2027-04-09T02:05Z","end_local":"05:05","hours":8.08,"mean_quality":0.82,"start":"2027-04-08T18:00Z","start_local":"21:00","target":"3C 273"},{"end":"2027-04-09T03:55Z","end_local":"06:55","hours":1.83,"mean_quality":0.0,"start":"2027-04-09T02:05Z","start_local":"05:05","target":null}],"targets":[{"best_window":{"end":"2027-04-09T01:35Z","end_local":"04:35","hours":7.0,"label":"good","mean_quality":0.88,"start":"2027-04-08T18:35Z","start_local":"21:35"},"dec":2.05238823,"moon_separation":141.4,"name":"3C 273","quality_hours":6.63,"ra":187.27791594,"resolved":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83},"score":null,"score_astronomy":93,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":180.4,"t":"2027-04-08T21:45Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-04-08T17:30Z","end_local":"20:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2027-04-08T16:50Z","start_local":"19:50"},{"end":"2027-04-08T18:00Z","end_local":"21:00","hours":0.5,"label":"poor","mean_quality":0.08,"start":"2027-04-08T17:30Z","start_local":"20:30"},{"end":"2027-04-08T18:35Z","end_local":"21:35","hours":0.58,"label":"marginal","mean_quality":0.37,"start":"2027-04-08T18:00Z","start_local":"21:00"},{"end":"2027-04-09T01:35Z","end_local":"04:35","hours":7.0,"label":"good","mean_quality":0.88,"start":"2027-04-08T18:35Z","start_local":"21:35"},{"end":"2027-04-09T02:05Z","end_local":"05:05","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-04-09T01:35Z","start_local":"04:35"},{"end":"2027-04-09T03:55Z","end_local":"06:55","hours":1.83,"label":"unusable","mean_quality":0.0,"start":"2027-04-09T02:05Z","start_local":"05:05"}]}],"unscheduled":[],"warnings":[]}