{"assessment":{"best_window":{"end":"2027-05-15T23:25Z","end_local":"02:25","hours":3.92,"label":"marginal","mean_quality":0.44,"start":"2027-05-15T19:30Z","start_local":"22:30"},"cost":{"altitude":2.69,"clouds":0.0,"darkness":1.41,"moon":1.83},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically barely \u2014 weather unknown","hourly":[{"alt":46,"cloud":null,"high":null,"iso":"2027-05-15T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":45,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2027-05-15T19:00Z","label":"poor","low":null,"mid":null,"moon_alt":45,"precip":null,"q":0.22,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2027-05-15T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":41,"precip":null,"q":0.44,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2027-05-15T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":34,"precip":null,"q":0.45,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2027-05-15T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.46,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":26,"cloud":null,"high":null,"iso":"2027-05-15T23:00Z","label":"marginal","low":null,"mid":null,"moon_alt":16,"precip":null,"q":0.39,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":16,"cloud":null,"high":null,"iso":"2027-05-16T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":5,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":5,"cloud":null,"high":null,"iso":"2027-05-16T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-6,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2027-05-16T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-17,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null},{"alt":-18,"cloud":null,"high":null,"iso":"2027-05-16T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-28,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.47,"peak_sky":0.47,"quality_hours":2.0,"reasons":["the target being low or below 20\u00b0 cost 2.7 quality-hours","moonlight cost 1.8 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":23,"score_weather":null,"sky_hours":2.0,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2027-05-15T18:10Z","end_local":"21:10","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2027-05-15T17:30Z","start_local":"20:30"},{"end":"2027-05-15T19:30Z","end_local":"22:30","hours":1.33,"label":"poor","mean_quality":0.15,"start":"2027-05-15T18:10Z","start_local":"21:10"},{"end":"2027-05-15T23:25Z","end_local":"02:25","hours":3.92,"label":"marginal","mean_quality":0.44,"start":"2027-05-15T19:30Z","start_local":"22:30"},{"end":"2027-05-15T23:40Z","end_local":"02:40","hours":0.25,"label":"poor","mean_quality":0.28,"start":"2027-05-15T23:25Z","start_local":"02:25"},{"end":"2027-05-16T03:05Z","end_local":"06:05","hours":3.42,"label":"unusable","mean_quality":0.0,"start":"2027-05-15T23:40Z","start_local":"02:40"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2027-05-15T19:29:32Z","dark_hours":5.59,"dark_to":"2027-05-16T01:04:56Z","moon":{"illumination":0.786,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.62,"moonrise":"2027-05-15T12:31:06Z","moonset":"2027-05-16T00:26:04Z","sunrise":"2027-05-16T03:00:53Z","sunset":"2027-05-15T17:33:34Z","twilight":{"astronomical":{"end":"2027-05-15T19:29:32Z","start":"2027-05-16T01:04:56Z"},"civil":{"end":"2027-05-15T18:05:20Z","start":"2027-05-16T02:29:07Z"},"nautical":{"end":"2027-05-15T18:44:57Z","start":"2027-05-16T01:49:31Z"}},"window_end":"2027-05-16T09:00:00Z","window_start":"2027-05-15T09:00:00Z"},"night_date":"2027-05-15","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.3,"alt":50.1,"t":"2027-05-15T19:30:00Z"},"dec":2.05238823,"dec_of_date":1.9013,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":3.17,"limit_rise":"2027-05-15T15:00:38Z","limit_set":"2027-05-15T23:36:08Z","max_az_rate_deg_per_min":0.0,"moon_separation":10.3,"never_rises":false,"ra":187.27791594,"ra_of_date":187.6279,"ra_str":"12h 29m 06.7s","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},"summary":"3.2 dark hours above 30\u00b0 \u2014 a proper target for this night. The Moon is 10\u00b0 away at 79% \u2014 faint targets will suffer.","terrain":{"available":true,"behind_at":"2027-05-16T01:22:12Z","blocked_dark_hours":0,"clears_at":"2027-05-15T13:12:38Z","rise_az":87.9},"track":[{"above_terrain":false,"airmass":null,"alt":-40.88,"az":33.9,"t":"2027-05-15T09:00:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-40.34,"az":35.4,"t":"2027-05-15T09:05:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-39.79,"az":36.9,"t":"2027-05-15T09:10:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-39.22,"az":38.3,"t":"2027-05-15T09:15:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-38.63,"az":39.8,"t":"2027-05-15T09:20:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-38.02,"az":41.2,"t":"2027-05-15T09:25:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-37.4,"az":42.5,"t":"2027-05-15T09:30:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-36.76,"az":43.9,"t":"2027-05-15T09:35:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-36.1,"az":45.2,"t":"2027-05-15T09:40:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-35.43,"az":46.5,"t":"2027-05-15T09:45:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-34.74,"az":47.8,"t":"2027-05-15T09:50:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-34.04,"az":49.0,"t":"2027-05-15T09:55:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-33.33,"az":50.3,"t":"2027-05-15T10:00:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-32.6,"az":51.5,"t":"2027-05-15T10:05:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-31.87,"az":52.7,"t":"2027-05-15T10:10:00Z","terrain":0.78},{"above_terrain":false,"airmass":null,"alt":-31.12,"az":53.9,"t":"2027-05-15T10:15:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-30.35,"az":55.0,"t":"2027-05-15T10:20:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-29.58,"az":56.2,"t":"2027-05-15T10:25:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-28.8,"az":57.3,"t":"2027-05-15T10:30:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-28.01,"az":58.4,"t":"2027-05-15T10:35:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-27.2,"az":59.5,"t":"2027-05-15T10:40:00Z","terrain":1.19},{"above_terrain":false,"airmass":null,"alt":-26.39,"az":60.6,"t":"2027-05-15T10:45:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-25.57,"az":61.6,"t":"2027-05-15T10:50:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-24.75,"az":62.6,"t":"2027-05-15T10:55:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-23.91,"az":63.7,"t":"2027-05-15T11:00:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-23.07,"az":64.7,"t":"2027-05-15T11:05:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.22,"az":65.7,"t":"2027-05-15T11:10:00Z","terrain":0.81},{"above_terrain":false,"airmass":null,"alt":-21.36,"az":66.7,"t":"2027-05-15T11:15:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-20.5,"az":67.6,"t":"2027-05-15T11:20:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-19.63,"az":68.6,"t":"2027-05-15T11:25:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-18.76,"az":69.5,"t":"2027-05-15T11:30:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-17.88,"az":70.5,"t":"2027-05-15T11:35:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-16.99,"az":71.4,"t":"2027-05-15T11:40:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-16.11,"az":72.3,"t":"2027-05-15T11:45:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-15.21,"az":73.2,"t":"2027-05-15T11:50:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-14.31,"az":74.2,"t":"2027-05-15T11:55:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-13.41,"az":75.0,"t":"2027-05-15T12:00:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-12.5,"az":75.9,"t":"2027-05-15T12:05:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-11.59,"az":76.8,"t":"2027-05-15T12:10:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-10.68,"az":77.7,"t":"2027-05-15T12:15:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-9.77,"az":78.6,"t":"2027-05-15T12:20:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-8.85,"az":79.4,"t":"2027-05-15T12:25:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-7.93,"az":80.3,"t":"2027-05-15T12:30:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-7.0,"az":81.1,"t":"2027-05-15T12:35:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-6.08,"az":82.0,"t":"2027-05-15T12:40:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-5.15,"az":82.8,"t":"2027-05-15T12:45:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-4.22,"az":83.7,"t":"2027-05-15T12:50:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-3.29,"az":84.5,"t":"2027-05-15T12:55:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-2.36,"az":85.3,"t":"2027-05-15T13:00:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-1.42,"az":86.2,"t":"2027-05-15T13:05:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-0.49,"az":87.0,"t":"2027-05-15T13:10:00Z","terrain":0.07},{"above_terrain":true,"airmass":31.97,"alt":0.45,"az":87.9,"t":"2027-05-15T13:15:00Z","terrain":-0.05},{"above_terrain":true,"airmass":23.27,"alt":1.38,"az":88.7,"t":"2027-05-15T13:20:00Z","terrain":-0.16},{"above_terrain":true,"airmass":17.86,"alt":2.32,"az":89.5,"t":"2027-05-15T13:25:00Z","terrain":-0.21},{"above_terrain":true,"airmass":14.32,"alt":3.25,"az":90.4,"t":"2027-05-15T13:30:00Z","terrain":-0.17},{"above_terrain":true,"airmass":11.87,"alt":4.19,"az":91.2,"t":"2027-05-15T13:35:00Z","terrain":-0.05},{"above_terrain":true,"airmass":10.1,"alt":5.13,"az":92.0,"t":"2027-05-15T13:40:00Z","terrain":0.11},{"above_terrain":true,"airmass":8.77,"alt":6.06,"az":92.9,"t":"2027-05-15T13:45:00Z","terrain":0.3},{"above_terrain":true,"airmass":7.73,"alt":6.99,"az":93.7,"t":"2027-05-15T13:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":6.91,"alt":7.93,"az":94.5,"t":"2027-05-15T13:55:00Z","terrain":0.39},{"above_terrain":true,"airmass":6.25,"alt":8.86,"az":95.4,"t":"2027-05-15T14:00:00Z","terrain":0.45},{"above_terrain":true,"airmass":5.7,"alt":9.79,"az":96.2,"t":"2027-05-15T14:05:00Z","terrain":0.59},{"above_terrain":true,"airmass":5.23,"alt":10.72,"az":97.1,"t":"2027-05-15T14:10:00Z","terrain":0.73},{"above_terrain":true,"airmass":4.84,"alt":11.65,"az":97.9,"t":"2027-05-15T14:15:00Z","terrain":0.68},{"above_terrain":true,"airmass":4.51,"alt":12.58,"az":98.8,"t":"2027-05-15T14:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.21,"alt":13.5,"az":99.7,"t":"2027-05-15T14:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.96,"alt":14.42,"az":100.6,"t":"2027-05-15T14:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":3.73,"alt":15.34,"az":101.4,"t":"2027-05-15T14:35:00Z","terrain":0.03},{"above_terrain":true,"airmass":3.53,"alt":16.26,"az":102.3,"t":"2027-05-15T14:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":3.35,"alt":17.17,"az":103.2,"t":"2027-05-15T14:45:00Z","terrain":-0.17},{"above_terrain":true,"airmass":3.19,"alt":18.08,"az":104.1,"t":"2027-05-15T14:50:00Z","terrain":-0.02},{"above_terrain":true,"airmass":3.05,"alt":18.98,"az":105.0,"t":"2027-05-15T14:55:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.92,"alt":19.89,"az":106.0,"t":"2027-05-15T15:00:00Z","terrain":-0.62},{"above_terrain":true,"airmass":2.8,"alt":20.78,"az":106.9,"t":"2027-05-15T15:05:00Z","terrain":-0.61},{"above_terrain":true,"airmass":2.69,"alt":21.68,"az":107.8,"t":"2027-05-15T15:10:00Z","terrain":-0.88},{"above_terrain":true,"airmass":2.59,"alt":22.56,"az":108.8,"t":"2027-05-15T15:15:00Z","terrain":-1.13},{"above_terrain":true,"airmass":2.5,"alt":23.45,"az":109.8,"t":"2027-05-15T15:20:00Z","terrain":-1.16},{"above_terrain":true,"airmass":2.42,"alt":24.33,"az":110.7,"t":"2027-05-15T15:25:00Z","terrain":-1.28},{"above_terrain":true,"airmass":2.34,"alt":25.2,"az":111.7,"t":"2027-05-15T15:30:00Z","terrain":-1.37},{"above_terrain":true,"airmass":2.27,"alt":26.07,"az":112.7,"t":"2027-05-15T15:35:00Z","terrain":-1.42},{"above_terrain":true,"airmass":2.2,"alt":26.93,"az":113.7,"t":"2027-05-15T15:40:00Z","terrain":-1.57},{"above_terrain":true,"airmass":2.14,"alt":27.78,"az":114.8,"t":"2027-05-15T15:45:00Z","terrain":-1.54},{"above_terrain":true,"airmass":2.08,"alt":28.63,"az":115.8,"t":"2027-05-15T15:50:00Z","terrain":-1.48},{"above_terrain":true,"airmass":2.03,"alt":29.46,"az":116.9,"t":"2027-05-15T15:55:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.98,"alt":30.29,"az":118.0,"t":"2027-05-15T16:00:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.93,"alt":31.12,"az":119.1,"t":"2027-05-15T16:05:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.89,"alt":31.93,"az":120.2,"t":"2027-05-15T16:10:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.84,"alt":32.73,"az":121.3,"t":"2027-05-15T16:15:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.81,"alt":33.53,"az":122.5,"t":"2027-05-15T16:20:00Z","terrain":-1.29},{"above_terrain":true,"airmass":1.77,"alt":34.31,"az":123.7,"t":"2027-05-15T16:25:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.74,"alt":35.09,"az":124.9,"t":"2027-05-15T16:30:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.7,"alt":35.85,"az":126.1,"t":"2027-05-15T16:35:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.67,"alt":36.6,"az":127.3,"t":"2027-05-15T16:40:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.65,"alt":37.34,"az":128.6,"t":"2027-05-15T16:45:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.62,"alt":38.06,"az":129.9,"t":"2027-05-15T16:50:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.59,"alt":38.77,"az":131.2,"t":"2027-05-15T16:55:00Z","terrain":-1.68},{"above_terrain":true,"airmass":1.57,"alt":39.47,"az":132.5,"t":"2027-05-15T17:00:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.55,"alt":40.15,"az":133.9,"t":"2027-05-15T17:05:00Z","terrain":-1.55},{"above_terrain":true,"airmass":1.53,"alt":40.82,"az":135.3,"t":"2027-05-15T17:10:00Z","terrain":-1.27},{"above_terrain":true,"airmass":1.51,"alt":41.47,"az":136.7,"t":"2027-05-15T17:15:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.49,"alt":42.1,"az":138.2,"t":"2027-05-15T17:20:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.47,"alt":42.72,"az":139.6,"t":"2027-05-15T17:25:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.46,"alt":43.32,"az":141.2,"t":"2027-05-15T17:30:00Z","terrain":-1.13},{"above_terrain":true,"airmass":1.44,"alt":43.89,"az":142.7,"t":"2027-05-15T17:35:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.43,"alt":44.45,"az":144.2,"t":"2027-05-15T17:40:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.41,"alt":44.99,"az":145.8,"t":"2027-05-15T17:45:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.4,"alt":45.5,"az":147.5,"t":"2027-05-15T17:50:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.39,"alt":45.99,"az":149.1,"t":"2027-05-15T17:55:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.38,"alt":46.46,"az":150.8,"t":"2027-05-15T18:00:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.37,"alt":46.91,"az":152.5,"t":"2027-05-15T18:05:00Z","terrain":-1.09},{"above_terrain":true,"airmass":1.36,"alt":47.33,"az":154.2,"t":"2027-05-15T18:10:00Z","terrain":-1.05},{"above_terrain":true,"airmass":1.35,"alt":47.72,"az":156.0,"t":"2027-05-15T18:15:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.34,"alt":48.09,"az":157.8,"t":"2027-05-15T18:20:00Z","terrain":-1.06},{"above_terrain":true,"airmass":1.34,"alt":48.43,"az":159.6,"t":"2027-05-15T18:25:00Z","terrain":-1.08},{"above_terrain":true,"airmass":1.33,"alt":48.74,"az":161.4,"t":"2027-05-15T18:30:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.32,"alt":49.02,"az":163.3,"t":"2027-05-15T18:35:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.32,"alt":49.28,"az":165.2,"t":"2027-05-15T18:40:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.31,"alt":49.5,"az":167.1,"t":"2027-05-15T18:45:00Z","terrain":-1.16},{"above_terrain":true,"airmass":1.31,"alt":49.7,"az":169.0,"t":"2027-05-15T18:50:00Z","terrain":-0.82},{"above_terrain":true,"airmass":1.31,"alt":49.86,"az":170.9,"t":"2027-05-15T18:55:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.3,"alt":49.99,"az":172.8,"t":"2027-05-15T19:00:00Z","terrain":-0.53},{"above_terrain":true,"airmass":1.3,"alt":50.09,"az":174.8,"t":"2027-05-15T19:05:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.3,"alt":50.16,"az":176.7,"t":"2027-05-15T19:10:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.3,"alt":50.2,"az":178.7,"t":"2027-05-15T19:15:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.3,"alt":50.21,"az":180.6,"t":"2027-05-15T19:20:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.3,"alt":50.18,"az":182.6,"t":"2027-05-15T19:25:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.3,"alt":50.12,"az":184.5,"t":"2027-05-15T19:30:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.3,"alt":50.03,"az":186.5,"t":"2027-05-15T19:35:00Z","terrain":-0.68},{"above_terrain":true,"airmass":1.31,"alt":49.91,"az":188.4,"t":"2027-05-15T19:40:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.31,"alt":49.76,"az":190.4,"t":"2027-05-15T19:45:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.31,"alt":49.57,"az":192.3,"t":"2027-05-15T19:50:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.32,"alt":49.36,"az":194.2,"t":"2027-05-15T19:55:00Z","terrain":-0.48},{"above_terrain":true,"airmass":1.32,"alt":49.12,"az":196.0,"t":"2027-05-15T20:00:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.33,"alt":48.84,"az":197.9,"t":"2027-05-15T20:05:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.33,"alt":48.54,"az":199.8,"t":"2027-05-15T20:10:00Z","terrain":-0.27},{"above_terrain":true,"airmass":1.34,"alt":48.21,"az":201.6,"t":"2027-05-15T20:15:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.35,"alt":47.85,"az":203.4,"t":"2027-05-15T20:20:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.36,"alt":47.47,"az":205.1,"t":"2027-05-15T20:25:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.36,"alt":47.06,"az":206.9,"t":"2027-05-15T20:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.37,"alt":46.62,"az":208.6,"t":"2027-05-15T20:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.38,"alt":46.16,"az":210.3,"t":"2027-05-15T20:40:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.4,"alt":45.68,"az":212.0,"t":"2027-05-15T20:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.41,"alt":45.17,"az":213.6,"t":"2027-05-15T20:50:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.42,"alt":44.64,"az":215.2,"t":"2027-05-15T20:55:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.44,"alt":44.09,"az":216.8,"t":"2027-05-15T21:00:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.45,"alt":43.52,"az":218.3,"t":"2027-05-15T21:05:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.47,"alt":42.93,"az":219.8,"t":"2027-05-15T21:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.48,"alt":42.32,"az":221.3,"t":"2027-05-15T21:15:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.5,"alt":41.7,"az":222.8,"t":"2027-05-15T21:20:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.52,"alt":41.05,"az":224.2,"t":"2027-05-15T21:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.54,"alt":40.39,"az":225.6,"t":"2027-05-15T21:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.56,"alt":39.72,"az":227.0,"t":"2027-05-15T21:35:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.59,"alt":39.02,"az":228.3,"t":"2027-05-15T21:40:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.61,"alt":38.32,"az":229.7,"t":"2027-05-15T21:45:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.64,"alt":37.6,"az":231.0,"t":"2027-05-15T21:50:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.66,"alt":36.86,"az":232.2,"t":"2027-05-15T21:55:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.69,"alt":36.12,"az":233.5,"t":"2027-05-15T22:00:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.72,"alt":35.36,"az":234.7,"t":"2027-05-15T22:05:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.76,"alt":34.59,"az":235.9,"t":"2027-05-15T22:10:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.79,"alt":33.81,"az":237.1,"t":"2027-05-15T22:15:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.83,"alt":33.02,"az":238.3,"t":"2027-05-15T22:20:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.87,"alt":32.22,"az":239.4,"t":"2027-05-15T22:25:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.91,"alt":31.41,"az":240.5,"t":"2027-05-15T22:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.96,"alt":30.59,"az":241.6,"t":"2027-05-15T22:35:00Z","terrain":0.93},{"above_terrain":true,"airmass":2.01,"alt":29.76,"az":242.7,"t":"2027-05-15T22:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.06,"alt":28.92,"az":243.8,"t":"2027-05-15T22:45:00Z","terrain":0.95},{"above_terrain":true,"airmass":2.12,"alt":28.08,"az":244.9,"t":"2027-05-15T22:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.18,"alt":27.23,"az":245.9,"t":"2027-05-15T22:55:00Z","terrain":1.16},{"above_terrain":true,"airmass":2.24,"alt":26.37,"az":246.9,"t":"2027-05-15T23:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.31,"alt":25.51,"az":247.9,"t":"2027-05-15T23:05:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.39,"alt":24.64,"az":248.9,"t":"2027-05-15T23:10:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.47,"alt":23.76,"az":249.9,"t":"2027-05-15T23:15:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.56,"alt":22.88,"az":250.9,"t":"2027-05-15T23:20:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.66,"alt":21.99,"az":251.8,"t":"2027-05-15T23:25:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.76,"alt":21.1,"az":252.8,"t":"2027-05-15T23:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.88,"alt":20.2,"az":253.7,"t":"2027-05-15T23:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.0,"alt":19.3,"az":254.6,"t":"2027-05-15T23:40:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.14,"alt":18.4,"az":255.6,"t":"2027-05-15T23:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.3,"alt":17.49,"az":256.5,"t":"2027-05-15T23:50:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.47,"alt":16.58,"az":257.4,"t":"2027-05-15T23:55:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.66,"alt":15.67,"az":258.2,"t":"2027-05-16T00:00:00Z","terrain":0.39},{"above_terrain":true,"airmass":3.87,"alt":14.75,"az":259.1,"t":"2027-05-16T00:05:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.12,"alt":13.83,"az":260.0,"t":"2027-05-16T00:10:00Z","terrain":0.56},{"above_terrain":true,"airmass":4.4,"alt":12.9,"az":260.9,"t":"2027-05-16T00:15:00Z","terrain":0.81},{"above_terrain":true,"airmass":4.72,"alt":11.98,"az":261.7,"t":"2027-05-16T00:20:00Z","terrain":0.94},{"above_terrain":true,"airmass":5.09,"alt":11.05,"az":262.6,"t":"2027-05-16T00:25:00Z","terrain":0.88},{"above_terrain":true,"airmass":5.52,"alt":10.12,"az":263.5,"t":"2027-05-16T00:30:00Z","terrain":0.68},{"above_terrain":true,"airmass":6.04,"alt":9.19,"az":264.3,"t":"2027-05-16T00:35:00Z","terrain":0.48},{"above_terrain":true,"airmass":6.66,"alt":8.26,"az":265.2,"t":"2027-05-16T00:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":7.42,"alt":7.33,"az":266.0,"t":"2027-05-16T00:45:00Z","terrain":0.47},{"above_terrain":true,"airmass":8.37,"alt":6.39,"az":266.8,"t":"2027-05-16T00:50:00Z","terrain":0.55},{"above_terrain":true,"airmass":9.58,"alt":5.46,"az":267.7,"t":"2027-05-16T00:55:00Z","terrain":0.62},{"above_terrain":true,"airmass":11.18,"alt":4.52,"az":268.5,"t":"2027-05-16T01:00:00Z","terrain":0.7},{"above_terrain":true,"airmass":13.35,"alt":3.59,"az":269.4,"t":"2027-05-16T01:05:00Z","terrain":0.8},{"above_terrain":true,"airmass":16.44,"alt":2.65,"az":270.2,"t":"2027-05-16T01:10:00Z","terrain":0.88},{"above_terrain":true,"airmass":21.06,"alt":1.71,"az":271.0,"t":"2027-05-16T01:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":28.37,"alt":0.78,"az":271.9,"t":"2027-05-16T01:20:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-0.16,"az":272.7,"t":"2027-05-16T01:25:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-1.09,"az":273.5,"t":"2027-05-16T01:30:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-2.02,"az":274.4,"t":"2027-05-16T01:35:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-2.96,"az":275.2,"t":"2027-05-16T01:40:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":276.0,"t":"2027-05-16T01:45:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-4.82,"az":276.9,"t":"2027-05-16T01:50:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-5.75,"az":277.7,"t":"2027-05-16T01:55:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":278.6,"t":"2027-05-16T02:00:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-7.6,"az":279.4,"t":"2027-05-16T02:05:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-8.52,"az":280.3,"t":"2027-05-16T02:10:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-9.44,"az":281.1,"t":"2027-05-16T02:15:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-10.36,"az":282.0,"t":"2027-05-16T02:20:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-11.27,"az":282.9,"t":"2027-05-16T02:25:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-12.18,"az":283.8,"t":"2027-05-16T02:30:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-13.09,"az":284.6,"t":"2027-05-16T02:35:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-13.99,"az":285.5,"t":"2027-05-16T02:40:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-14.89,"az":286.4,"t":"2027-05-16T02:45:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-15.79,"az":287.3,"t":"2027-05-16T02:50:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-16.68,"az":288.3,"t":"2027-05-16T02:55:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-17.57,"az":289.2,"t":"2027-05-16T03:00:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-18.45,"az":290.1,"t":"2027-05-16T03:05:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-19.32,"az":291.1,"t":"2027-05-16T03:10:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-20.19,"az":292.0,"t":"2027-05-16T03:15:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-21.06,"az":293.0,"t":"2027-05-16T03:20:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-21.92,"az":294.0,"t":"2027-05-16T03:25:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-22.77,"az":295.0,"t":"2027-05-16T03:30:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-23.61,"az":296.0,"t":"2027-05-16T03:35:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-24.45,"az":297.0,"t":"2027-05-16T03:40:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-25.28,"az":298.0,"t":"2027-05-16T03:45:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-26.1,"az":299.1,"t":"2027-05-16T03:50:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-26.92,"az":300.1,"t":"2027-05-16T03:55:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-27.72,"az":301.2,"t":"2027-05-16T04:00:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-28.52,"az":302.3,"t":"2027-05-16T04:05:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-29.3,"az":303.4,"t":"2027-05-16T04:10:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-30.08,"az":304.6,"t":"2027-05-16T04:15:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-30.85,"az":305.7,"t":"2027-05-16T04:20:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-31.6,"az":306.9,"t":"2027-05-16T04:25:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-32.34,"az":308.1,"t":"2027-05-16T04:30:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-33.07,"az":309.3,"t":"2027-05-16T04:35:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-33.79,"az":310.5,"t":"2027-05-16T04:40:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-34.5,"az":311.8,"t":"2027-05-16T04:45:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-35.19,"az":313.0,"t":"2027-05-16T04:50:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-35.86,"az":314.3,"t":"2027-05-16T04:55:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-36.53,"az":315.6,"t":"2027-05-16T05:00:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-37.17,"az":317.0,"t":"2027-05-16T05:05:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-37.8,"az":318.4,"t":"2027-05-16T05:10:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-38.42,"az":319.7,"t":"2027-05-16T05:15:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-39.01,"az":321.2,"t":"2027-05-16T05:20:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-39.59,"az":322.6,"t":"2027-05-16T05:25:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-40.15,"az":324.1,"t":"2027-05-16T05:30:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-40.69,"az":325.5,"t":"2027-05-16T05:35:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-41.21,"az":327.0,"t":"2027-05-16T05:40:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-41.71,"az":328.6,"t":"2027-05-16T05:45:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-42.18,"az":330.1,"t":"2027-05-16T05:50:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-42.64,"az":331.7,"t":"2027-05-16T05:55:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-43.07,"az":333.3,"t":"2027-05-16T06:00:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-43.48,"az":334.9,"t":"2027-05-16T06:05:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-43.86,"az":336.6,"t":"2027-05-16T06:10:00Z","terrain":-0.77},{"above_terrain":false,"airmass":null,"alt":-44.22,"az":338.3,"t":"2027-05-16T06:15:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-44.56,"az":340.0,"t":"2027-05-16T06:20:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-44.86,"az":341.7,"t":"2027-05-16T06:25:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-45.15,"az":343.4,"t":"2027-05-16T06:30:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.4,"az":345.1,"t":"2027-05-16T06:35:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-45.63,"az":346.9,"t":"2027-05-16T06:40:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-45.82,"az":348.7,"t":"2027-05-16T06:45:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-45.99,"az":350.4,"t":"2027-05-16T06:50:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-46.13,"az":352.2,"t":"2027-05-16T06:55:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-46.25,"az":354.0,"t":"2027-05-16T07:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.33,"az":355.9,"t":"2027-05-16T07:05:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-46.38,"az":357.7,"t":"2027-05-16T07:10:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-46.4,"az":359.5,"t":"2027-05-16T07:15:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-46.4,"az":1.3,"t":"2027-05-16T07:20:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-46.36,"az":3.1,"t":"2027-05-16T07:25:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-46.3,"az":4.9,"t":"2027-05-16T07:30:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-46.2,"az":6.7,"t":"2027-05-16T07:35:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-46.08,"az":8.5,"t":"2027-05-16T07:40:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-45.92,"az":10.3,"t":"2027-05-16T07:45:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-45.74,"az":12.1,"t":"2027-05-16T07:50:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-45.53,"az":13.9,"t":"2027-05-16T07:55:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-45.29,"az":15.6,"t":"2027-05-16T08:00:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-45.03,"az":17.4,"t":"2027-05-16T08:05:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-44.74,"az":19.1,"t":"2027-05-16T08:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-44.42,"az":20.8,"t":"2027-05-16T08:15:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-44.07,"az":22.5,"t":"2027-05-16T08:20:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-43.7,"az":24.1,"t":"2027-05-16T08:25:00Z","terrain":0.96},{"above_terrain":false,"airmass":null,"alt":-43.31,"az":25.8,"t":"2027-05-16T08:30:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-42.89,"az":27.4,"t":"2027-05-16T08:35:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-42.45,"az":29.0,"t":"2027-05-16T08:40:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-41.98,"az":30.5,"t":"2027-05-16T08:45:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-41.5,"az":32.1,"t":"2027-05-16T08:50:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-40.99,"az":33.6,"t":"2027-05-16T08:55:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-40.46,"az":35.1,"t":"2027-05-16T09:00:00Z","terrain":0.05}],"transit":{"airmass":1.3,"alt":50.2,"az":180.6,"t":"2027-05-15T19:20:00Z"},"usable_hours":4.17,"verdict":"good","zenith_passage":false},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}