{"assessment":{"best_window":{"end":"2039-05-15T23:10Z","end_local":"02:10","hours":3.67,"label":"good","mean_quality":0.86,"start":"2039-05-15T19:30Z","start_local":"22:30"},"cost":{"altitude":2.69,"clouds":0.0,"darkness":1.43,"moon":0.0},"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 worth it \u2014 weather unknown","hourly":[{"alt":46,"cloud":null,"high":null,"iso":"2039-05-15T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-62,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2039-05-15T19:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-55,"precip":null,"q":0.47,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2039-05-15T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-46,"precip":null,"q":0.93,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2039-05-15T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-36,"precip":null,"q":0.89,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2039-05-15T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.84,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":26,"cloud":null,"high":null,"iso":"2039-05-15T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-14,"precip":null,"q":0.65,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":16,"cloud":null,"high":null,"iso":"2039-05-16T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-4,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":5,"cloud":null,"high":null,"iso":"2039-05-16T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":7,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2039-05-16T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":16,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null},{"alt":-18,"cloud":null,"high":null,"iso":"2039-05-16T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.93,"peak_sky":0.93,"quality_hours":3.8,"reasons":["the target being low or below 20\u00b0 cost 2.7 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":89,"score_weather":null,"sky_hours":3.8,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2039-05-15T18:10Z","end_local":"21:10","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2039-05-15T17:30Z","start_local":"20:30"},{"end":"2039-05-15T18:50Z","end_local":"21:50","hours":0.67,"label":"poor","mean_quality":0.14,"start":"2039-05-15T18:10Z","start_local":"21:10"},{"end":"2039-05-15T19:30Z","end_local":"22:30","hours":0.67,"label":"marginal","mean_quality":0.47,"start":"2039-05-15T18:50Z","start_local":"21:50"},{"end":"2039-05-15T23:10Z","end_local":"02:10","hours":3.67,"label":"good","mean_quality":0.86,"start":"2039-05-15T19:30Z","start_local":"22:30"},{"end":"2039-05-15T23:40Z","end_local":"02:40","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2039-05-15T23:10Z","start_local":"02:10"},{"end":"2039-05-16T03:05Z","end_local":"06:05","hours":3.42,"label":"unusable","mean_quality":0.0,"start":"2039-05-15T23:40Z","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":"2039-05-15T19:29:39Z","dark_hours":5.59,"dark_to":"2039-05-16T01:04:48Z","moon":{"illumination":0.417,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":4.85,"moonrise":"2039-05-16T00:21:58Z","moonset":"2039-05-15T09:47:14Z","sunrise":"2039-05-16T03:00:48Z","sunset":"2039-05-15T17:33:38Z","twilight":{"astronomical":{"end":"2039-05-15T19:29:39Z","start":"2039-05-16T01:04:48Z"},"civil":{"end":"2039-05-15T18:05:25Z","start":"2039-05-16T02:29:01Z"},"nautical":{"end":"2039-05-15T18:45:02Z","start":"2039-05-16T01:49:24Z"}},"window_end":"2039-05-16T09:00:00Z","window_start":"2039-05-15T09:00:00Z"},"night_date":"2039-05-15","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":"2039-05-15T19:30:00Z"},"dec":2.05238823,"dec_of_date":1.8351,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":3.17,"limit_rise":"2039-05-15T15:01:08Z","limit_set":"2039-05-15T23:36:07Z","max_az_rate_deg_per_min":0.0,"moon_separation":148.8,"never_rises":false,"ra":187.27791594,"ra_of_date":187.7814,"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.","terrain":{"available":true,"behind_at":"2039-05-16T01:22:00Z","blocked_dark_hours":0,"clears_at":"2039-05-15T13:13:03Z","rise_az":87.9},"track":[{"above_terrain":false,"airmass":null,"alt":-40.96,"az":33.9,"t":"2039-05-15T09:00:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-40.43,"az":35.4,"t":"2039-05-15T09:05:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-39.88,"az":36.9,"t":"2039-05-15T09:10:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-39.31,"az":38.3,"t":"2039-05-15T09:15:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-38.72,"az":39.7,"t":"2039-05-15T09:20:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-38.11,"az":41.1,"t":"2039-05-15T09:25:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-37.49,"az":42.5,"t":"2039-05-15T09:30:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-36.85,"az":43.9,"t":"2039-05-15T09:35:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-36.19,"az":45.2,"t":"2039-05-15T09:40:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-35.52,"az":46.5,"t":"2039-05-15T09:45:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-34.83,"az":47.8,"t":"2039-05-15T09:50:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-34.13,"az":49.0,"t":"2039-05-15T09:55:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-33.42,"az":50.3,"t":"2039-05-15T10:00:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-32.69,"az":51.5,"t":"2039-05-15T10:05:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-31.95,"az":52.7,"t":"2039-05-15T10:10:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-31.2,"az":53.9,"t":"2039-05-15T10:15:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-30.44,"az":55.0,"t":"2039-05-15T10:20:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-29.67,"az":56.2,"t":"2039-05-15T10:25:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-28.89,"az":57.3,"t":"2039-05-15T10:30:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-28.1,"az":58.4,"t":"2039-05-15T10:35:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-27.29,"az":59.5,"t":"2039-05-15T10:40:00Z","terrain":1.19},{"above_terrain":false,"airmass":null,"alt":-26.48,"az":60.5,"t":"2039-05-15T10:45:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-25.66,"az":61.6,"t":"2039-05-15T10:50:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-24.84,"az":62.6,"t":"2039-05-15T10:55:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-24.0,"az":63.7,"t":"2039-05-15T11:00:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-23.16,"az":64.7,"t":"2039-05-15T11:05:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.31,"az":65.7,"t":"2039-05-15T11:10:00Z","terrain":0.81},{"above_terrain":false,"airmass":null,"alt":-21.45,"az":66.7,"t":"2039-05-15T11:15:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-20.59,"az":67.6,"t":"2039-05-15T11:20:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-19.72,"az":68.6,"t":"2039-05-15T11:25:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-18.85,"az":69.5,"t":"2039-05-15T11:30:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-17.97,"az":70.5,"t":"2039-05-15T11:35:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-17.08,"az":71.4,"t":"2039-05-15T11:40:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-16.2,"az":72.3,"t":"2039-05-15T11:45:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-15.3,"az":73.3,"t":"2039-05-15T11:50:00Z","terrain":0.92},{"above_terrain":false,"airmass":null,"alt":-14.4,"az":74.2,"t":"2039-05-15T11:55:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-13.5,"az":75.1,"t":"2039-05-15T12:00:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-12.59,"az":75.9,"t":"2039-05-15T12:05:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-11.68,"az":76.8,"t":"2039-05-15T12:10:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-10.77,"az":77.7,"t":"2039-05-15T12:15:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-9.86,"az":78.6,"t":"2039-05-15T12:20:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-8.94,"az":79.4,"t":"2039-05-15T12:25:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-8.02,"az":80.3,"t":"2039-05-15T12:30:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-7.09,"az":81.1,"t":"2039-05-15T12:35:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-6.17,"az":82.0,"t":"2039-05-15T12:40:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-5.24,"az":82.8,"t":"2039-05-15T12:45:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-4.31,"az":83.7,"t":"2039-05-15T12:50:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-3.38,"az":84.5,"t":"2039-05-15T12:55:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-2.45,"az":85.4,"t":"2039-05-15T13:00:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-1.51,"az":86.2,"t":"2039-05-15T13:05:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-0.58,"az":87.0,"t":"2039-05-15T13:10:00Z","terrain":0.07},{"above_terrain":true,"airmass":33.06,"alt":0.36,"az":87.9,"t":"2039-05-15T13:15:00Z","terrain":-0.05},{"above_terrain":true,"airmass":23.93,"alt":1.29,"az":88.7,"t":"2039-05-15T13:20:00Z","terrain":-0.16},{"above_terrain":true,"airmass":18.28,"alt":2.23,"az":89.5,"t":"2039-05-15T13:25:00Z","terrain":-0.21},{"above_terrain":true,"airmass":14.6,"alt":3.16,"az":90.4,"t":"2039-05-15T13:30:00Z","terrain":-0.17},{"above_terrain":true,"airmass":12.07,"alt":4.1,"az":91.2,"t":"2039-05-15T13:35:00Z","terrain":-0.05},{"above_terrain":true,"airmass":10.25,"alt":5.04,"az":92.0,"t":"2039-05-15T13:40:00Z","terrain":0.11},{"above_terrain":true,"airmass":8.88,"alt":5.97,"az":92.9,"t":"2039-05-15T13:45:00Z","terrain":0.3},{"above_terrain":true,"airmass":7.82,"alt":6.91,"az":93.7,"t":"2039-05-15T13:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":6.98,"alt":7.84,"az":94.6,"t":"2039-05-15T13:55:00Z","terrain":0.39},{"above_terrain":true,"airmass":6.3,"alt":8.77,"az":95.4,"t":"2039-05-15T14:00:00Z","terrain":0.45},{"above_terrain":true,"airmass":5.74,"alt":9.7,"az":96.2,"t":"2039-05-15T14:05:00Z","terrain":0.59},{"above_terrain":true,"airmass":5.28,"alt":10.63,"az":97.1,"t":"2039-05-15T14:10:00Z","terrain":0.73},{"above_terrain":true,"airmass":4.88,"alt":11.56,"az":98.0,"t":"2039-05-15T14:15:00Z","terrain":0.68},{"above_terrain":true,"airmass":4.54,"alt":12.49,"az":98.8,"t":"2039-05-15T14:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.24,"alt":13.41,"az":99.7,"t":"2039-05-15T14:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.98,"alt":14.33,"az":100.6,"t":"2039-05-15T14:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":3.75,"alt":15.25,"az":101.4,"t":"2039-05-15T14:35:00Z","terrain":0.03},{"above_terrain":true,"airmass":3.55,"alt":16.17,"az":102.3,"t":"2039-05-15T14:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":3.37,"alt":17.08,"az":103.2,"t":"2039-05-15T14:45:00Z","terrain":-0.17},{"above_terrain":true,"airmass":3.21,"alt":17.99,"az":104.1,"t":"2039-05-15T14:50:00Z","terrain":-0.02},{"above_terrain":true,"airmass":3.06,"alt":18.89,"az":105.0,"t":"2039-05-15T14:55:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.93,"alt":19.8,"az":106.0,"t":"2039-05-15T15:00:00Z","terrain":-0.62},{"above_terrain":true,"airmass":2.81,"alt":20.69,"az":106.9,"t":"2039-05-15T15:05:00Z","terrain":-0.61},{"above_terrain":true,"airmass":2.7,"alt":21.59,"az":107.8,"t":"2039-05-15T15:10:00Z","terrain":-0.88},{"above_terrain":true,"airmass":2.6,"alt":22.47,"az":108.8,"t":"2039-05-15T15:15:00Z","terrain":-1.14},{"above_terrain":true,"airmass":2.51,"alt":23.36,"az":109.8,"t":"2039-05-15T15:20:00Z","terrain":-1.16},{"above_terrain":true,"airmass":2.42,"alt":24.24,"az":110.7,"t":"2039-05-15T15:25:00Z","terrain":-1.28},{"above_terrain":true,"airmass":2.35,"alt":25.11,"az":111.7,"t":"2039-05-15T15:30:00Z","terrain":-1.37},{"above_terrain":true,"airmass":2.27,"alt":25.98,"az":112.7,"t":"2039-05-15T15:35:00Z","terrain":-1.42},{"above_terrain":true,"airmass":2.21,"alt":26.84,"az":113.7,"t":"2039-05-15T15:40:00Z","terrain":-1.57},{"above_terrain":true,"airmass":2.14,"alt":27.69,"az":114.8,"t":"2039-05-15T15:45:00Z","terrain":-1.54},{"above_terrain":true,"airmass":2.09,"alt":28.54,"az":115.8,"t":"2039-05-15T15:50:00Z","terrain":-1.48},{"above_terrain":true,"airmass":2.03,"alt":29.37,"az":116.9,"t":"2039-05-15T15:55:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.98,"alt":30.2,"az":118.0,"t":"2039-05-15T16:00:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.93,"alt":31.03,"az":119.1,"t":"2039-05-15T16:05:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.89,"alt":31.84,"az":120.2,"t":"2039-05-15T16:10:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.85,"alt":32.65,"az":121.3,"t":"2039-05-15T16:15:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.81,"alt":33.44,"az":122.5,"t":"2039-05-15T16:20:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.77,"alt":34.22,"az":123.6,"t":"2039-05-15T16:25:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.74,"alt":35.0,"az":124.8,"t":"2039-05-15T16:30:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.71,"alt":35.76,"az":126.1,"t":"2039-05-15T16:35:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.68,"alt":36.51,"az":127.3,"t":"2039-05-15T16:40:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.65,"alt":37.25,"az":128.6,"t":"2039-05-15T16:45:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.62,"alt":37.97,"az":129.9,"t":"2039-05-15T16:50:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.6,"alt":38.69,"az":131.2,"t":"2039-05-15T16:55:00Z","terrain":-1.68},{"above_terrain":true,"airmass":1.57,"alt":39.38,"az":132.5,"t":"2039-05-15T17:00:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.55,"alt":40.07,"az":133.9,"t":"2039-05-15T17:05:00Z","terrain":-1.55},{"above_terrain":true,"airmass":1.53,"alt":40.73,"az":135.3,"t":"2039-05-15T17:10:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.51,"alt":41.38,"az":136.7,"t":"2039-05-15T17:15:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.49,"alt":42.02,"az":138.1,"t":"2039-05-15T17:20:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.47,"alt":42.63,"az":139.6,"t":"2039-05-15T17:25:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.46,"alt":43.23,"az":141.1,"t":"2039-05-15T17:30:00Z","terrain":-1.13},{"above_terrain":true,"airmass":1.44,"alt":43.81,"az":142.7,"t":"2039-05-15T17:35:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.43,"alt":44.36,"az":144.2,"t":"2039-05-15T17:40:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.42,"alt":44.9,"az":145.8,"t":"2039-05-15T17:45:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.4,"alt":45.42,"az":147.4,"t":"2039-05-15T17:50:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.39,"alt":45.91,"az":149.1,"t":"2039-05-15T17:55:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.38,"alt":46.38,"az":150.7,"t":"2039-05-15T18:00:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.37,"alt":46.82,"az":152.5,"t":"2039-05-15T18:05:00Z","terrain":-1.11},{"above_terrain":true,"airmass":1.36,"alt":47.24,"az":154.2,"t":"2039-05-15T18:10:00Z","terrain":-1.05},{"above_terrain":true,"airmass":1.35,"alt":47.64,"az":155.9,"t":"2039-05-15T18:15:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.34,"alt":48.01,"az":157.7,"t":"2039-05-15T18:20:00Z","terrain":-1.06},{"above_terrain":true,"airmass":1.34,"alt":48.35,"az":159.5,"t":"2039-05-15T18:25:00Z","terrain":-1.11},{"above_terrain":true,"airmass":1.33,"alt":48.66,"az":161.4,"t":"2039-05-15T18:30:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.32,"alt":48.94,"az":163.2,"t":"2039-05-15T18:35:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.32,"alt":49.2,"az":165.1,"t":"2039-05-15T18:40:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.32,"alt":49.43,"az":167.0,"t":"2039-05-15T18:45:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.31,"alt":49.62,"az":168.9,"t":"2039-05-15T18:50:00Z","terrain":-0.83},{"above_terrain":true,"airmass":1.31,"alt":49.79,"az":170.8,"t":"2039-05-15T18:55:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.31,"alt":49.92,"az":172.7,"t":"2039-05-15T19:00:00Z","terrain":-0.54},{"above_terrain":true,"airmass":1.3,"alt":50.02,"az":174.7,"t":"2039-05-15T19:05:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.3,"alt":50.09,"az":176.6,"t":"2039-05-15T19:10:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.3,"alt":50.13,"az":178.6,"t":"2039-05-15T19:15:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.3,"alt":50.14,"az":180.5,"t":"2039-05-15T19:20:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.3,"alt":50.12,"az":182.5,"t":"2039-05-15T19:25:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.3,"alt":50.06,"az":184.4,"t":"2039-05-15T19:30:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.3,"alt":49.97,"az":186.4,"t":"2039-05-15T19:35:00Z","terrain":-0.69},{"above_terrain":true,"airmass":1.31,"alt":49.85,"az":188.3,"t":"2039-05-15T19:40:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.31,"alt":49.7,"az":190.2,"t":"2039-05-15T19:45:00Z","terrain":-0.54},{"above_terrain":true,"airmass":1.31,"alt":49.52,"az":192.2,"t":"2039-05-15T19:50:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.32,"alt":49.31,"az":194.1,"t":"2039-05-15T19:55:00Z","terrain":-0.49},{"above_terrain":true,"airmass":1.32,"alt":49.06,"az":195.9,"t":"2039-05-15T20:00:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.33,"alt":48.79,"az":197.8,"t":"2039-05-15T20:05:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.33,"alt":48.49,"az":199.6,"t":"2039-05-15T20:10:00Z","terrain":-0.28},{"above_terrain":true,"airmass":1.34,"alt":48.16,"az":201.5,"t":"2039-05-15T20:15:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.35,"alt":47.81,"az":203.3,"t":"2039-05-15T20:20:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.36,"alt":47.42,"az":205.0,"t":"2039-05-15T20:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":1.37,"alt":47.02,"az":206.8,"t":"2039-05-15T20:30:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.38,"alt":46.58,"az":208.5,"t":"2039-05-15T20:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.39,"alt":46.12,"az":210.2,"t":"2039-05-15T20:40:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.4,"alt":45.64,"az":211.8,"t":"2039-05-15T20:45:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.41,"alt":45.14,"az":213.5,"t":"2039-05-15T20:50:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.42,"alt":44.61,"az":215.1,"t":"2039-05-15T20:55:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.44,"alt":44.06,"az":216.6,"t":"2039-05-15T21:00:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.45,"alt":43.49,"az":218.2,"t":"2039-05-15T21:05:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.47,"alt":42.9,"az":219.7,"t":"2039-05-15T21:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.48,"alt":42.3,"az":221.2,"t":"2039-05-15T21:15:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.5,"alt":41.67,"az":222.7,"t":"2039-05-15T21:20:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.52,"alt":41.03,"az":224.1,"t":"2039-05-15T21:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.54,"alt":40.37,"az":225.5,"t":"2039-05-15T21:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.56,"alt":39.69,"az":226.9,"t":"2039-05-15T21:35:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.59,"alt":39.0,"az":228.2,"t":"2039-05-15T21:40:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.61,"alt":38.3,"az":229.6,"t":"2039-05-15T21:45:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.64,"alt":37.58,"az":230.9,"t":"2039-05-15T21:50:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.66,"alt":36.85,"az":232.1,"t":"2039-05-15T21:55:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.69,"alt":36.1,"az":233.4,"t":"2039-05-15T22:00:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.73,"alt":35.34,"az":234.6,"t":"2039-05-15T22:05:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.76,"alt":34.58,"az":235.8,"t":"2039-05-15T22:10:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.79,"alt":33.8,"az":237.0,"t":"2039-05-15T22:15:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.83,"alt":33.01,"az":238.2,"t":"2039-05-15T22:20:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.87,"alt":32.21,"az":239.3,"t":"2039-05-15T22:25:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.91,"alt":31.4,"az":240.4,"t":"2039-05-15T22:30:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.96,"alt":30.58,"az":241.5,"t":"2039-05-15T22:35:00Z","terrain":0.9},{"above_terrain":true,"airmass":2.01,"alt":29.75,"az":242.6,"t":"2039-05-15T22:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.06,"alt":28.92,"az":243.7,"t":"2039-05-15T22:45:00Z","terrain":0.96},{"above_terrain":true,"airmass":2.12,"alt":28.07,"az":244.8,"t":"2039-05-15T22:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.18,"alt":27.22,"az":245.8,"t":"2039-05-15T22:55:00Z","terrain":1.14},{"above_terrain":true,"airmass":2.24,"alt":26.37,"az":246.8,"t":"2039-05-15T23:00:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.31,"alt":25.5,"az":247.8,"t":"2039-05-15T23:05:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.39,"alt":24.63,"az":248.8,"t":"2039-05-15T23:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.47,"alt":23.76,"az":249.8,"t":"2039-05-15T23:15:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.56,"alt":22.88,"az":250.8,"t":"2039-05-15T23:20:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.66,"alt":21.99,"az":251.7,"t":"2039-05-15T23:25:00Z","terrain":0.3},{"above_terrain":true,"airmass":2.76,"alt":21.1,"az":252.7,"t":"2039-05-15T23:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.88,"alt":20.2,"az":253.6,"t":"2039-05-15T23:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.0,"alt":19.3,"az":254.5,"t":"2039-05-15T23:40:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.14,"alt":18.4,"az":255.5,"t":"2039-05-15T23:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.3,"alt":17.49,"az":256.4,"t":"2039-05-15T23:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.47,"alt":16.58,"az":257.3,"t":"2039-05-15T23:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.66,"alt":15.66,"az":258.2,"t":"2039-05-16T00:00:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.87,"alt":14.75,"az":259.0,"t":"2039-05-16T00:05:00Z","terrain":0.48},{"above_terrain":true,"airmass":4.12,"alt":13.83,"az":259.9,"t":"2039-05-16T00:10:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.4,"alt":12.9,"az":260.8,"t":"2039-05-16T00:15:00Z","terrain":0.78},{"above_terrain":true,"airmass":4.72,"alt":11.98,"az":261.7,"t":"2039-05-16T00:20:00Z","terrain":0.93},{"above_terrain":true,"airmass":5.09,"alt":11.05,"az":262.5,"t":"2039-05-16T00:25:00Z","terrain":0.89},{"above_terrain":true,"airmass":5.52,"alt":10.12,"az":263.4,"t":"2039-05-16T00:30:00Z","terrain":0.7},{"above_terrain":true,"airmass":6.04,"alt":9.19,"az":264.2,"t":"2039-05-16T00:35:00Z","terrain":0.49},{"above_terrain":true,"airmass":6.66,"alt":8.26,"az":265.1,"t":"2039-05-16T00:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":7.42,"alt":7.33,"az":265.9,"t":"2039-05-16T00:45:00Z","terrain":0.46},{"above_terrain":true,"airmass":8.37,"alt":6.39,"az":266.8,"t":"2039-05-16T00:50:00Z","terrain":0.55},{"above_terrain":true,"airmass":9.58,"alt":5.46,"az":267.6,"t":"2039-05-16T00:55:00Z","terrain":0.62},{"above_terrain":true,"airmass":11.17,"alt":4.52,"az":268.4,"t":"2039-05-16T01:00:00Z","terrain":0.69},{"above_terrain":true,"airmass":13.35,"alt":3.59,"az":269.3,"t":"2039-05-16T01:05:00Z","terrain":0.79},{"above_terrain":true,"airmass":16.43,"alt":2.65,"az":270.1,"t":"2039-05-16T01:10:00Z","terrain":0.89},{"above_terrain":true,"airmass":21.05,"alt":1.72,"az":270.9,"t":"2039-05-16T01:15:00Z","terrain":0.79},{"above_terrain":true,"airmass":28.36,"alt":0.78,"az":271.8,"t":"2039-05-16T01:20:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-0.15,"az":272.6,"t":"2039-05-16T01:25:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-1.09,"az":273.4,"t":"2039-05-16T01:30:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-2.02,"az":274.3,"t":"2039-05-16T01:35:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-2.96,"az":275.1,"t":"2039-05-16T01:40:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":275.9,"t":"2039-05-16T01:45:00Z","terrain":-0.0},{"above_terrain":false,"airmass":null,"alt":-4.82,"az":276.8,"t":"2039-05-16T01:50:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-5.75,"az":277.6,"t":"2039-05-16T01:55:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":278.5,"t":"2039-05-16T02:00:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-7.6,"az":279.3,"t":"2039-05-16T02:05:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-8.52,"az":280.2,"t":"2039-05-16T02:10:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-9.44,"az":281.0,"t":"2039-05-16T02:15:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-10.36,"az":281.9,"t":"2039-05-16T02:20:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-11.27,"az":282.8,"t":"2039-05-16T02:25:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-12.18,"az":283.7,"t":"2039-05-16T02:30:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-13.09,"az":284.5,"t":"2039-05-16T02:35:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-13.99,"az":285.4,"t":"2039-05-16T02:40:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-14.89,"az":286.3,"t":"2039-05-16T02:45:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-15.79,"az":287.2,"t":"2039-05-16T02:50:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-16.68,"az":288.2,"t":"2039-05-16T02:55:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-17.57,"az":289.1,"t":"2039-05-16T03:00:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-18.45,"az":290.0,"t":"2039-05-16T03:05:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-19.33,"az":291.0,"t":"2039-05-16T03:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-20.2,"az":291.9,"t":"2039-05-16T03:15:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-21.06,"az":292.9,"t":"2039-05-16T03:20:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-21.92,"az":293.9,"t":"2039-05-16T03:25:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-22.78,"az":294.9,"t":"2039-05-16T03:30:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-23.62,"az":295.9,"t":"2039-05-16T03:35:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-24.46,"az":296.9,"t":"2039-05-16T03:40:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-25.29,"az":297.9,"t":"2039-05-16T03:45:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-26.11,"az":299.0,"t":"2039-05-16T03:50:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-26.93,"az":300.0,"t":"2039-05-16T03:55:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-27.73,"az":301.1,"t":"2039-05-16T04:00:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-28.53,"az":302.2,"t":"2039-05-16T04:05:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-29.32,"az":303.3,"t":"2039-05-16T04:10:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-30.09,"az":304.5,"t":"2039-05-16T04:15:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-30.86,"az":305.6,"t":"2039-05-16T04:20:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-31.62,"az":306.8,"t":"2039-05-16T04:25:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-32.36,"az":308.0,"t":"2039-05-16T04:30:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-33.09,"az":309.2,"t":"2039-05-16T04:35:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-33.81,"az":310.4,"t":"2039-05-16T04:40:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-34.52,"az":311.7,"t":"2039-05-16T04:45:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-35.21,"az":312.9,"t":"2039-05-16T04:50:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-35.89,"az":314.2,"t":"2039-05-16T04:55:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-36.55,"az":315.5,"t":"2039-05-16T05:00:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-37.2,"az":316.9,"t":"2039-05-16T05:05:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-37.83,"az":318.2,"t":"2039-05-16T05:10:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-38.45,"az":319.6,"t":"2039-05-16T05:15:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-39.04,"az":321.0,"t":"2039-05-16T05:20:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-39.62,"az":322.5,"t":"2039-05-16T05:25:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-40.18,"az":323.9,"t":"2039-05-16T05:30:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-40.72,"az":325.4,"t":"2039-05-16T05:35:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-41.24,"az":326.9,"t":"2039-05-16T05:40:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-41.74,"az":328.5,"t":"2039-05-16T05:45:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-42.22,"az":330.0,"t":"2039-05-16T05:50:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-42.68,"az":331.6,"t":"2039-05-16T05:55:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-43.11,"az":333.2,"t":"2039-05-16T06:00:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-43.52,"az":334.8,"t":"2039-05-16T06:05:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-43.91,"az":336.5,"t":"2039-05-16T06:10:00Z","terrain":-0.78},{"above_terrain":false,"airmass":null,"alt":-44.27,"az":338.2,"t":"2039-05-16T06:15:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-44.61,"az":339.8,"t":"2039-05-16T06:20:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-44.91,"az":341.6,"t":"2039-05-16T06:25:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-45.2,"az":343.3,"t":"2039-05-16T06:30:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.45,"az":345.0,"t":"2039-05-16T06:35:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.68,"az":346.8,"t":"2039-05-16T06:40:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-45.88,"az":348.6,"t":"2039-05-16T06:45:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-46.05,"az":350.3,"t":"2039-05-16T06:50:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-46.19,"az":352.1,"t":"2039-05-16T06:55:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-46.31,"az":353.9,"t":"2039-05-16T07:00:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-46.39,"az":355.8,"t":"2039-05-16T07:05:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-46.45,"az":357.6,"t":"2039-05-16T07:10:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-46.47,"az":359.4,"t":"2039-05-16T07:15:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-46.47,"az":1.2,"t":"2039-05-16T07:20:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-46.43,"az":3.0,"t":"2039-05-16T07:25:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-46.37,"az":4.8,"t":"2039-05-16T07:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-46.27,"az":6.7,"t":"2039-05-16T07:35:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-46.15,"az":8.5,"t":"2039-05-16T07:40:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-46.0,"az":10.2,"t":"2039-05-16T07:45:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-45.82,"az":12.0,"t":"2039-05-16T07:50:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-45.61,"az":13.8,"t":"2039-05-16T07:55:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-45.37,"az":15.6,"t":"2039-05-16T08:00:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-45.11,"az":17.3,"t":"2039-05-16T08:05:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-44.81,"az":19.0,"t":"2039-05-16T08:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-44.5,"az":20.7,"t":"2039-05-16T08:15:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-44.15,"az":22.4,"t":"2039-05-16T08:20:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-43.78,"az":24.1,"t":"2039-05-16T08:25:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-43.39,"az":25.7,"t":"2039-05-16T08:30:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-42.97,"az":27.3,"t":"2039-05-16T08:35:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-42.53,"az":28.9,"t":"2039-05-16T08:40:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-42.07,"az":30.5,"t":"2039-05-16T08:45:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-41.58,"az":32.0,"t":"2039-05-16T08:50:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-41.07,"az":33.6,"t":"2039-05-16T08:55:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-40.55,"az":35.1,"t":"2039-05-16T09:00:00Z","terrain":0.05}],"transit":{"airmass":1.3,"alt":50.1,"az":180.5,"t":"2039-05-15T19:20:00Z"},"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."]}
