{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2027-06-12","schedule":[{"end":"2027-06-12T20:10Z","end_local":"23:10","hours":2.25,"mean_quality":0.0,"start":"2027-06-12T17:55Z","start_local":"20:55","target":null},{"end":"2027-06-12T21:45Z","end_local":"00:45","hours":1.58,"mean_quality":0.45,"start":"2027-06-12T20:10Z","start_local":"23:10","target":"3C 273"},{"end":"2027-06-13T02:50Z","end_local":"05:50","hours":5.08,"mean_quality":0.0,"start":"2027-06-12T21:45Z","start_local":"00:45","target":null}],"targets":[{"best_window":{"end":"2027-06-12T21:45Z","end_local":"00:45","hours":1.58,"label":"marginal","mean_quality":0.45,"start":"2027-06-12T20:10Z","start_local":"23:10"},"dec":2.05238823,"moon_separation":10.1,"name":"3C 273","quality_hours":1.04,"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":13,"score_weather":null,"transit":{"airmass":1.3,"alt":50.2,"az":180.7,"t":"2027-06-12T17:30Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2027-06-12T18:30Z","end_local":"21:30","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-06-12T17:55Z","start_local":"20:55"},{"end":"2027-06-12T20:10Z","end_local":"23:10","hours":1.67,"label":"poor","mean_quality":0.18,"start":"2027-06-12T18:30Z","start_local":"21:30"},{"end":"2027-06-12T21:45Z","end_local":"00:45","hours":1.58,"label":"marginal","mean_quality":0.45,"start":"2027-06-12T20:10Z","start_local":"23:10"},{"end":"2027-06-12T21:50Z","end_local":"00:50","hours":0.08,"label":"poor","mean_quality":0.28,"start":"2027-06-12T21:45Z","start_local":"00:45"},{"end":"2027-06-13T02:50Z","end_local":"05:50","hours":5.0,"label":"unusable","mean_quality":0.0,"start":"2027-06-12T21:50Z","start_local":"00:50"}]}],"unscheduled":[],"warnings":[]}