{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-04-07","schedule":[{"end":"2027-04-07T18:00Z","end_local":"21:00","hours":1.17,"mean_quality":0.0,"start":"2027-04-07T16:50Z","start_local":"19:50","target":null},{"end":"2027-04-08T02:10Z","end_local":"05:10","hours":8.17,"mean_quality":0.82,"start":"2027-04-07T18:00Z","start_local":"21:00","target":"3C 273"},{"end":"2027-04-08T03:55Z","end_local":"06:55","hours":1.75,"mean_quality":0.0,"start":"2027-04-08T02:10Z","start_local":"05:10","target":null}],"targets":[{"best_window":{"end":"2027-04-08T01:40Z","end_local":"04:40","hours":7.17,"label":"good","mean_quality":0.87,"start":"2027-04-07T18:30Z","start_local":"21:30"},"dec":2.05238823,"moon_separation":154.5,"name":"3C 273","quality_hours":6.73,"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":180.9,"t":"2027-04-07T21:50Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-04-07T17:35Z","end_local":"20:35","hours":0.75,"label":"unusable","mean_quality":0.0,"start":"2027-04-07T16:50Z","start_local":"19:50"},{"end":"2027-04-07T18:00Z","end_local":"21:00","hours":0.42,"label":"poor","mean_quality":0.12,"start":"2027-04-07T17:35Z","start_local":"20:35"},{"end":"2027-04-07T18:30Z","end_local":"21:30","hours":0.5,"label":"marginal","mean_quality":0.35,"start":"2027-04-07T18:00Z","start_local":"21:00"},{"end":"2027-04-08T01:40Z","end_local":"04:40","hours":7.17,"label":"good","mean_quality":0.87,"start":"2027-04-07T18:30Z","start_local":"21:30"},{"end":"2027-04-08T02:10Z","end_local":"05:10","hours":0.5,"label":"marginal","mean_quality":0.49,"start":"2027-04-08T01:40Z","start_local":"04:40"},{"end":"2027-04-08T03:55Z","end_local":"06:55","hours":1.75,"label":"unusable","mean_quality":0.0,"start":"2027-04-08T02:10Z","start_local":"05:10"}]}],"unscheduled":[],"warnings":[]}