{"assessment":{"best_window":{"end":"2030-04-29T00:15Z","end_local":"03:15","hours":5.17,"label":"good","mean_quality":0.88,"start":"2030-04-28T19:05Z","start_local":"22:05"},"cost":{"altitude":2.18,"clouds":0.0,"darkness":1.21,"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":39,"cloud":null,"high":null,"iso":"2030-04-28T18:00Z","label":"poor","low":null,"mid":null,"moon_alt":-42,"precip":null,"q":0.13,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":46,"cloud":null,"high":null,"iso":"2030-04-28T19:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-45,"precip":null,"q":0.45,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2030-04-28T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-45,"precip":null,"q":0.93,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2030-04-28T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-42,"precip":null,"q":0.93,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":45,"cloud":null,"high":null,"iso":"2030-04-28T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-35,"precip":null,"q":0.9,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":37,"cloud":null,"high":null,"iso":"2030-04-28T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-26,"precip":null,"q":0.85,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":27,"cloud":null,"high":null,"iso":"2030-04-29T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-16,"precip":null,"q":0.69,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":17,"cloud":null,"high":null,"iso":"2030-04-29T01:00Z","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":6,"cloud":null,"high":null,"iso":"2030-04-29T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":5,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2030-04-29T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":16,"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":5.17,"reasons":["the target being low or below 20\u00b0 cost 2.2 quality-hours","daylight and twilight cost 1.2 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":93,"score_weather":null,"sky_hours":5.17,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2030-04-28T17:50Z","end_local":"20:50","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2030-04-28T17:15Z","start_local":"20:15"},{"end":"2030-04-28T18:25Z","end_local":"21:25","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2030-04-28T17:50Z","start_local":"20:50"},{"end":"2030-04-28T19:05Z","end_local":"22:05","hours":0.67,"label":"marginal","mean_quality":0.45,"start":"2030-04-28T18:25Z","start_local":"21:25"},{"end":"2030-04-29T00:15Z","end_local":"03:15","hours":5.17,"label":"good","mean_quality":0.88,"start":"2030-04-28T19:05Z","start_local":"22:05"},{"end":"2030-04-29T00:45Z","end_local":"03:45","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2030-04-29T00:15Z","start_local":"03:15"},{"end":"2030-04-29T03:25Z","end_local":"06:25","hours":2.67,"label":"unusable","mean_quality":0.0,"start":"2030-04-29T00:45Z","start_local":"03:45"}]},"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":"2030-04-28T19:02:11Z","dark_hours":6.54,"dark_to":"2030-04-29T01:34:19Z","moon":{"illumination":0.122,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":6.5,"moonrise":"2030-04-29T01:33:14Z","moonset":"2030-04-28T13:23:59Z","sunrise":"2030-04-29T03:20:37Z","sunset":"2030-04-28T17:15:51Z","twilight":{"astronomical":{"end":"2030-04-28T19:02:11Z","start":"2030-04-29T01:34:19Z"},"civil":{"end":"2030-04-28T17:45:53Z","start":"2030-04-29T02:50:36Z"},"nautical":{"end":"2030-04-28T18:22:31Z","start":"2030-04-29T02:13:58Z"}},"window_end":"2030-04-29T09:00:00Z","window_start":"2030-04-28T09:00:00Z"},"night_date":"2030-04-28","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.3,"alt":50.2,"t":"2030-04-28T20:25:00Z"},"dec":2.05238823,"dec_of_date":1.885,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":4.67,"limit_rise":"2030-04-28T16:06:37Z","limit_set":"2030-04-29T00:41:59Z","max_az_rate_deg_per_min":0.0,"moon_separation":167.4,"never_rises":false,"ra":187.27791594,"ra_of_date":187.6657,"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":"4.7 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2030-04-29T02:28:00Z","blocked_dark_hours":0,"clears_at":"2030-04-28T14:18:35Z","rise_az":87.7},"track":[{"above_terrain":false,"airmass":null,"alt":-45.75,"az":12.2,"t":"2030-04-28T09:00:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-45.54,"az":13.9,"t":"2030-04-28T09:05:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-45.3,"az":15.7,"t":"2030-04-28T09:10:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-45.03,"az":17.4,"t":"2030-04-28T09:15:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-44.74,"az":19.1,"t":"2030-04-28T09:20:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-44.42,"az":20.8,"t":"2030-04-28T09:25:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-44.08,"az":22.5,"t":"2030-04-28T09:30:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-43.71,"az":24.2,"t":"2030-04-28T09:35:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-43.31,"az":25.8,"t":"2030-04-28T09:40:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-42.89,"az":27.4,"t":"2030-04-28T09:45:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-42.45,"az":29.0,"t":"2030-04-28T09:50:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-41.98,"az":30.6,"t":"2030-04-28T09:55:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-41.5,"az":32.1,"t":"2030-04-28T10:00:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-40.99,"az":33.7,"t":"2030-04-28T10:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-40.46,"az":35.2,"t":"2030-04-28T10:10:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-39.91,"az":36.6,"t":"2030-04-28T10:15:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-39.34,"az":38.1,"t":"2030-04-28T10:20:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-38.75,"az":39.5,"t":"2030-04-28T10:25:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-38.15,"az":40.9,"t":"2030-04-28T10:30:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-37.53,"az":42.3,"t":"2030-04-28T10:35:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-36.89,"az":43.6,"t":"2030-04-28T10:40:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-36.24,"az":45.0,"t":"2030-04-28T10:45:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-35.57,"az":46.3,"t":"2030-04-28T10:50:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-34.88,"az":47.6,"t":"2030-04-28T10:55:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-34.19,"az":48.8,"t":"2030-04-28T11:00:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-33.48,"az":50.1,"t":"2030-04-28T11:05:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-32.75,"az":51.3,"t":"2030-04-28T11:10:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-32.01,"az":52.5,"t":"2030-04-28T11:15:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-31.27,"az":53.7,"t":"2030-04-28T11:20:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-30.51,"az":54.8,"t":"2030-04-28T11:25:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-29.74,"az":56.0,"t":"2030-04-28T11:30:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-28.96,"az":57.1,"t":"2030-04-28T11:35:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-28.16,"az":58.2,"t":"2030-04-28T11:40:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-27.36,"az":59.3,"t":"2030-04-28T11:45:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-26.56,"az":60.4,"t":"2030-04-28T11:50:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-25.74,"az":61.4,"t":"2030-04-28T11:55:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-24.91,"az":62.5,"t":"2030-04-28T12:00:00Z","terrain":0.96},{"above_terrain":false,"airmass":null,"alt":-24.08,"az":63.5,"t":"2030-04-28T12:05:00Z","terrain":0.84},{"above_terrain":false,"airmass":null,"alt":-23.24,"az":64.5,"t":"2030-04-28T12:10:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.39,"az":65.5,"t":"2030-04-28T12:15:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-21.53,"az":66.5,"t":"2030-04-28T12:20:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-20.67,"az":67.5,"t":"2030-04-28T12:25:00Z","terrain":0.96},{"above_terrain":false,"airmass":null,"alt":-19.8,"az":68.4,"t":"2030-04-28T12:30:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-18.93,"az":69.4,"t":"2030-04-28T12:35:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-18.05,"az":70.3,"t":"2030-04-28T12:40:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-17.17,"az":71.3,"t":"2030-04-28T12:45:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-16.28,"az":72.2,"t":"2030-04-28T12:50:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-15.39,"az":73.1,"t":"2030-04-28T12:55:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-14.49,"az":74.0,"t":"2030-04-28T13:00:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-13.59,"az":74.9,"t":"2030-04-28T13:05:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-12.68,"az":75.8,"t":"2030-04-28T13:10:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-11.77,"az":76.7,"t":"2030-04-28T13:15:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-10.86,"az":77.5,"t":"2030-04-28T13:20:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-9.95,"az":78.4,"t":"2030-04-28T13:25:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-9.03,"az":79.3,"t":"2030-04-28T13:30:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-8.11,"az":80.1,"t":"2030-04-28T13:35:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-7.18,"az":81.0,"t":"2030-04-28T13:40:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-6.26,"az":81.8,"t":"2030-04-28T13:45:00Z","terrain":0.78},{"above_terrain":false,"airmass":null,"alt":-5.33,"az":82.7,"t":"2030-04-28T13:50:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-4.4,"az":83.5,"t":"2030-04-28T13:55:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-3.47,"az":84.4,"t":"2030-04-28T14:00:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-2.54,"az":85.2,"t":"2030-04-28T14:05:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-1.6,"az":86.0,"t":"2030-04-28T14:10:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-0.67,"az":86.9,"t":"2030-04-28T14:15:00Z","terrain":0.08},{"above_terrain":true,"airmass":34.23,"alt":0.26,"az":87.7,"t":"2030-04-28T14:20:00Z","terrain":-0.03},{"above_terrain":true,"airmass":24.64,"alt":1.2,"az":88.5,"t":"2030-04-28T14:25:00Z","terrain":-0.14},{"above_terrain":true,"airmass":18.73,"alt":2.14,"az":89.4,"t":"2030-04-28T14:30:00Z","terrain":-0.21},{"above_terrain":true,"airmass":14.91,"alt":3.07,"az":90.2,"t":"2030-04-28T14:35:00Z","terrain":-0.19},{"above_terrain":true,"airmass":12.28,"alt":4.01,"az":91.0,"t":"2030-04-28T14:40:00Z","terrain":-0.08},{"above_terrain":true,"airmass":10.4,"alt":4.94,"az":91.9,"t":"2030-04-28T14:45:00Z","terrain":0.08},{"above_terrain":true,"airmass":9.0,"alt":5.88,"az":92.7,"t":"2030-04-28T14:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":7.92,"alt":6.81,"az":93.6,"t":"2030-04-28T14:55:00Z","terrain":0.37},{"above_terrain":true,"airmass":7.06,"alt":7.75,"az":94.4,"t":"2030-04-28T15:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":6.37,"alt":8.68,"az":95.2,"t":"2030-04-28T15:05:00Z","terrain":0.42},{"above_terrain":true,"airmass":5.8,"alt":9.61,"az":96.1,"t":"2030-04-28T15:10:00Z","terrain":0.57},{"above_terrain":true,"airmass":5.32,"alt":10.54,"az":96.9,"t":"2030-04-28T15:15:00Z","terrain":0.72},{"above_terrain":true,"airmass":4.91,"alt":11.47,"az":97.8,"t":"2030-04-28T15:20:00Z","terrain":0.69},{"above_terrain":true,"airmass":4.57,"alt":12.39,"az":98.7,"t":"2030-04-28T15:25:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.27,"alt":13.32,"az":99.5,"t":"2030-04-28T15:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":4.01,"alt":14.24,"az":100.4,"t":"2030-04-28T15:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":3.77,"alt":15.16,"az":101.3,"t":"2030-04-28T15:40:00Z","terrain":0.05},{"above_terrain":true,"airmass":3.57,"alt":16.08,"az":102.2,"t":"2030-04-28T15:45:00Z","terrain":-0.07},{"above_terrain":true,"airmass":3.39,"alt":16.99,"az":103.1,"t":"2030-04-28T15:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":3.22,"alt":17.9,"az":104.0,"t":"2030-04-28T15:55:00Z","terrain":0.0},{"above_terrain":true,"airmass":3.08,"alt":18.81,"az":104.9,"t":"2030-04-28T16:00:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.94,"alt":19.71,"az":105.8,"t":"2030-04-28T16:05:00Z","terrain":-0.55},{"above_terrain":true,"airmass":2.82,"alt":20.61,"az":106.7,"t":"2030-04-28T16:10:00Z","terrain":-0.62},{"above_terrain":true,"airmass":2.71,"alt":21.5,"az":107.7,"t":"2030-04-28T16:15:00Z","terrain":-0.82},{"above_terrain":true,"airmass":2.61,"alt":22.39,"az":108.6,"t":"2030-04-28T16:20:00Z","terrain":-1.09},{"above_terrain":true,"airmass":2.52,"alt":23.28,"az":109.6,"t":"2030-04-28T16:25:00Z","terrain":-1.17},{"above_terrain":true,"airmass":2.43,"alt":24.15,"az":110.6,"t":"2030-04-28T16:30:00Z","terrain":-1.25},{"above_terrain":true,"airmass":2.35,"alt":25.03,"az":111.5,"t":"2030-04-28T16:35:00Z","terrain":-1.36},{"above_terrain":true,"airmass":2.28,"alt":25.9,"az":112.5,"t":"2030-04-28T16:40:00Z","terrain":-1.41},{"above_terrain":true,"airmass":2.21,"alt":26.76,"az":113.6,"t":"2030-04-28T16:45:00Z","terrain":-1.54},{"above_terrain":true,"airmass":2.15,"alt":27.61,"az":114.6,"t":"2030-04-28T16:50:00Z","terrain":-1.55},{"above_terrain":true,"airmass":2.09,"alt":28.46,"az":115.6,"t":"2030-04-28T16:55:00Z","terrain":-1.48},{"above_terrain":true,"airmass":2.04,"alt":29.3,"az":116.7,"t":"2030-04-28T17:00:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.99,"alt":30.13,"az":117.8,"t":"2030-04-28T17:05:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.94,"alt":30.95,"az":118.9,"t":"2030-04-28T17:10:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.89,"alt":31.77,"az":120.0,"t":"2030-04-28T17:15:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.85,"alt":32.58,"az":121.1,"t":"2030-04-28T17:20:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.81,"alt":33.37,"az":122.3,"t":"2030-04-28T17:25:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.78,"alt":34.16,"az":123.4,"t":"2030-04-28T17:30:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.74,"alt":34.93,"az":124.6,"t":"2030-04-28T17:35:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.71,"alt":35.7,"az":125.9,"t":"2030-04-28T17:40:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.68,"alt":36.45,"az":127.1,"t":"2030-04-28T17:45:00Z","terrain":-1.53},{"above_terrain":true,"airmass":1.65,"alt":37.19,"az":128.4,"t":"2030-04-28T17:50:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.62,"alt":37.92,"az":129.6,"t":"2030-04-28T17:55:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.6,"alt":38.63,"az":131.0,"t":"2030-04-28T18:00:00Z","terrain":-1.68},{"above_terrain":true,"airmass":1.58,"alt":39.33,"az":132.3,"t":"2030-04-28T18:05:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.55,"alt":40.02,"az":133.7,"t":"2030-04-28T18:10:00Z","terrain":-1.58},{"above_terrain":true,"airmass":1.53,"alt":40.69,"az":135.0,"t":"2030-04-28T18:15:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.51,"alt":41.34,"az":136.5,"t":"2030-04-28T18:20:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.49,"alt":41.97,"az":137.9,"t":"2030-04-28T18:25:00Z","terrain":-1.15},{"above_terrain":true,"airmass":1.48,"alt":42.59,"az":139.4,"t":"2030-04-28T18:30:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.46,"alt":43.19,"az":140.9,"t":"2030-04-28T18:35:00Z","terrain":-1.13},{"above_terrain":true,"airmass":1.44,"alt":43.77,"az":142.4,"t":"2030-04-28T18:40:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.43,"alt":44.33,"az":144.0,"t":"2030-04-28T18:45:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.42,"alt":44.87,"az":145.6,"t":"2030-04-28T18:50:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.4,"alt":45.39,"az":147.2,"t":"2030-04-28T18:55:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.39,"alt":45.89,"az":148.8,"t":"2030-04-28T19:00:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.38,"alt":46.36,"az":150.5,"t":"2030-04-28T19:05:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.37,"alt":46.81,"az":152.2,"t":"2030-04-28T19:10:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.36,"alt":47.24,"az":153.9,"t":"2030-04-28T19:15:00Z","terrain":-1.03},{"above_terrain":true,"airmass":1.35,"alt":47.63,"az":155.7,"t":"2030-04-28T19:20:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.34,"alt":48.01,"az":157.5,"t":"2030-04-28T19:25:00Z","terrain":-1.07},{"above_terrain":true,"airmass":1.34,"alt":48.35,"az":159.3,"t":"2030-04-28T19:30:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.33,"alt":48.67,"az":161.1,"t":"2030-04-28T19:35:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.32,"alt":48.96,"az":162.9,"t":"2030-04-28T19:40:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.32,"alt":49.22,"az":164.8,"t":"2030-04-28T19:45:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.31,"alt":49.45,"az":166.7,"t":"2030-04-28T19:50:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.31,"alt":49.65,"az":168.6,"t":"2030-04-28T19:55:00Z","terrain":-0.87},{"above_terrain":true,"airmass":1.31,"alt":49.82,"az":170.5,"t":"2030-04-28T20:00:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.31,"alt":49.95,"az":172.5,"t":"2030-04-28T20:05:00Z","terrain":-0.55},{"above_terrain":true,"airmass":1.3,"alt":50.06,"az":174.4,"t":"2030-04-28T20:10:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.3,"alt":50.14,"az":176.4,"t":"2030-04-28T20:15:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.3,"alt":50.18,"az":178.3,"t":"2030-04-28T20:20:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.3,"alt":50.19,"az":180.3,"t":"2030-04-28T20:25:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.3,"alt":50.17,"az":182.2,"t":"2030-04-28T20:30:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.3,"alt":50.12,"az":184.2,"t":"2030-04-28T20:35:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.3,"alt":50.03,"az":186.1,"t":"2030-04-28T20:40:00Z","terrain":-0.72},{"above_terrain":true,"airmass":1.31,"alt":49.92,"az":188.1,"t":"2030-04-28T20:45:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.31,"alt":49.77,"az":190.0,"t":"2030-04-28T20:50:00Z","terrain":-0.56},{"above_terrain":true,"airmass":1.31,"alt":49.59,"az":191.9,"t":"2030-04-28T20:55:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.32,"alt":49.39,"az":193.8,"t":"2030-04-28T21:00:00Z","terrain":-0.48},{"above_terrain":true,"airmass":1.32,"alt":49.15,"az":195.7,"t":"2030-04-28T21:05:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.33,"alt":48.88,"az":197.6,"t":"2030-04-28T21:10:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.33,"alt":48.58,"az":199.4,"t":"2030-04-28T21:15:00Z","terrain":-0.3},{"above_terrain":true,"airmass":1.34,"alt":48.26,"az":201.2,"t":"2030-04-28T21:20:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.35,"alt":47.9,"az":203.0,"t":"2030-04-28T21:25:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.35,"alt":47.53,"az":204.8,"t":"2030-04-28T21:30:00Z","terrain":-0.25},{"above_terrain":true,"airmass":1.36,"alt":47.12,"az":206.6,"t":"2030-04-28T21:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.37,"alt":46.69,"az":208.3,"t":"2030-04-28T21:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.38,"alt":46.23,"az":210.0,"t":"2030-04-28T21:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.39,"alt":45.75,"az":211.6,"t":"2030-04-28T21:50:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.41,"alt":45.25,"az":213.3,"t":"2030-04-28T21:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.42,"alt":44.73,"az":214.9,"t":"2030-04-28T22:00:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.43,"alt":44.18,"az":216.5,"t":"2030-04-28T22:05:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.45,"alt":43.61,"az":218.0,"t":"2030-04-28T22:10:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.46,"alt":43.03,"az":219.5,"t":"2030-04-28T22:15:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.48,"alt":42.42,"az":221.0,"t":"2030-04-28T22:20:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.5,"alt":41.8,"az":222.5,"t":"2030-04-28T22:25:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.52,"alt":41.16,"az":223.9,"t":"2030-04-28T22:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.54,"alt":40.5,"az":225.3,"t":"2030-04-28T22:35:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.56,"alt":39.83,"az":226.7,"t":"2030-04-28T22:40:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.58,"alt":39.14,"az":228.1,"t":"2030-04-28T22:45:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.61,"alt":38.44,"az":229.4,"t":"2030-04-28T22:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.63,"alt":37.72,"az":230.7,"t":"2030-04-28T22:55:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.66,"alt":36.99,"az":232.0,"t":"2030-04-28T23:00:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.69,"alt":36.24,"az":233.2,"t":"2030-04-28T23:05:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.72,"alt":35.49,"az":234.5,"t":"2030-04-28T23:10:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.75,"alt":34.72,"az":235.7,"t":"2030-04-28T23:15:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.79,"alt":33.94,"az":236.9,"t":"2030-04-28T23:20:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.82,"alt":33.15,"az":238.0,"t":"2030-04-28T23:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.86,"alt":32.35,"az":239.2,"t":"2030-04-28T23:30:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.91,"alt":31.54,"az":240.3,"t":"2030-04-28T23:35:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.95,"alt":30.73,"az":241.4,"t":"2030-04-28T23:40:00Z","terrain":0.87},{"above_terrain":true,"airmass":2.0,"alt":29.9,"az":242.5,"t":"2030-04-28T23:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.05,"alt":29.07,"az":243.6,"t":"2030-04-28T23:50:00Z","terrain":0.97},{"above_terrain":true,"airmass":2.11,"alt":28.22,"az":244.7,"t":"2030-04-28T23:55:00Z","terrain":0.97},{"above_terrain":true,"airmass":2.17,"alt":27.37,"az":245.7,"t":"2030-04-29T00:00:00Z","terrain":1.12},{"above_terrain":true,"airmass":2.23,"alt":26.52,"az":246.7,"t":"2030-04-29T00:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.3,"alt":25.65,"az":247.7,"t":"2030-04-29T00:10:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.37,"alt":24.79,"az":248.7,"t":"2030-04-29T00:15:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.46,"alt":23.91,"az":249.7,"t":"2030-04-29T00:20:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.54,"alt":23.03,"az":250.7,"t":"2030-04-29T00:25:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.64,"alt":22.14,"az":251.6,"t":"2030-04-29T00:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.74,"alt":21.25,"az":252.6,"t":"2030-04-29T00:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.85,"alt":20.36,"az":253.5,"t":"2030-04-29T00:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.98,"alt":19.46,"az":254.5,"t":"2030-04-29T00:45:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.12,"alt":18.55,"az":255.4,"t":"2030-04-29T00:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.27,"alt":17.65,"az":256.3,"t":"2030-04-29T00:55:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.44,"alt":16.74,"az":257.2,"t":"2030-04-29T01:00:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.62,"alt":15.82,"az":258.1,"t":"2030-04-29T01:05:00Z","terrain":0.37},{"above_terrain":true,"airmass":3.84,"alt":14.9,"az":259.0,"t":"2030-04-29T01:10:00Z","terrain":0.48},{"above_terrain":true,"airmass":4.07,"alt":13.98,"az":259.8,"t":"2030-04-29T01:15:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.35,"alt":13.06,"az":260.7,"t":"2030-04-29T01:20:00Z","terrain":0.76},{"above_terrain":true,"airmass":4.66,"alt":12.14,"az":261.6,"t":"2030-04-29T01:25:00Z","terrain":0.92},{"above_terrain":true,"airmass":5.02,"alt":11.21,"az":262.4,"t":"2030-04-29T01:30:00Z","terrain":0.91},{"above_terrain":true,"airmass":5.44,"alt":10.28,"az":263.3,"t":"2030-04-29T01:35:00Z","terrain":0.73},{"above_terrain":true,"airmass":5.94,"alt":9.35,"az":264.1,"t":"2030-04-29T01:40:00Z","terrain":0.5},{"above_terrain":true,"airmass":6.55,"alt":8.42,"az":265.0,"t":"2030-04-29T01:45:00Z","terrain":0.39},{"above_terrain":true,"airmass":7.28,"alt":7.49,"az":265.8,"t":"2030-04-29T01:50:00Z","terrain":0.46},{"above_terrain":true,"airmass":8.19,"alt":6.55,"az":266.7,"t":"2030-04-29T01:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":9.35,"alt":5.62,"az":267.5,"t":"2030-04-29T02:00:00Z","terrain":0.61},{"above_terrain":true,"airmass":10.87,"alt":4.68,"az":268.4,"t":"2030-04-29T02:05:00Z","terrain":0.69},{"above_terrain":true,"airmass":12.92,"alt":3.75,"az":269.2,"t":"2030-04-29T02:10:00Z","terrain":0.78},{"above_terrain":true,"airmass":15.82,"alt":2.81,"az":270.0,"t":"2030-04-29T02:15:00Z","terrain":0.9},{"above_terrain":true,"airmass":20.12,"alt":1.88,"az":270.9,"t":"2030-04-29T02:20:00Z","terrain":0.8},{"above_terrain":true,"airmass":26.85,"alt":0.94,"az":271.7,"t":"2030-04-29T02:25:00Z","terrain":0.53},{"above_terrain":false,"airmass":37.85,"alt":0.0,"az":272.5,"t":"2030-04-29T02:30:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-0.93,"az":273.4,"t":"2030-04-29T02:35:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-1.86,"az":274.2,"t":"2030-04-29T02:40:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-2.8,"az":275.0,"t":"2030-04-29T02:45:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-3.73,"az":275.9,"t":"2030-04-29T02:50:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-4.66,"az":276.7,"t":"2030-04-29T02:55:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-5.59,"az":277.6,"t":"2030-04-29T03:00:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-6.51,"az":278.4,"t":"2030-04-29T03:05:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-7.44,"az":279.2,"t":"2030-04-29T03:10:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-8.36,"az":280.1,"t":"2030-04-29T03:15:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-9.28,"az":281.0,"t":"2030-04-29T03:20:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-10.2,"az":281.8,"t":"2030-04-29T03:25:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-11.11,"az":282.7,"t":"2030-04-29T03:30:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-12.03,"az":283.6,"t":"2030-04-29T03:35:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-12.93,"az":284.5,"t":"2030-04-29T03:40:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-13.84,"az":285.4,"t":"2030-04-29T03:45:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-14.74,"az":286.3,"t":"2030-04-29T03:50:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-15.64,"az":287.2,"t":"2030-04-29T03:55:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-16.53,"az":288.1,"t":"2030-04-29T04:00:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-17.41,"az":289.0,"t":"2030-04-29T04:05:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-18.3,"az":289.9,"t":"2030-04-29T04:10:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-19.17,"az":290.9,"t":"2030-04-29T04:15:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-20.05,"az":291.8,"t":"2030-04-29T04:20:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-20.91,"az":292.8,"t":"2030-04-29T04:25:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-21.77,"az":293.8,"t":"2030-04-29T04:30:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-22.63,"az":294.8,"t":"2030-04-29T04:35:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-23.47,"az":295.8,"t":"2030-04-29T04:40:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-24.31,"az":296.8,"t":"2030-04-29T04:45:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-25.14,"az":297.8,"t":"2030-04-29T04:50:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-25.97,"az":298.9,"t":"2030-04-29T04:55:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-26.78,"az":299.9,"t":"2030-04-29T05:00:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-27.59,"az":301.0,"t":"2030-04-29T05:05:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-28.39,"az":302.1,"t":"2030-04-29T05:10:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-29.17,"az":303.2,"t":"2030-04-29T05:15:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-29.95,"az":304.3,"t":"2030-04-29T05:20:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-30.72,"az":305.5,"t":"2030-04-29T05:25:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-31.48,"az":306.7,"t":"2030-04-29T05:30:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-32.22,"az":307.8,"t":"2030-04-29T05:35:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-32.95,"az":309.0,"t":"2030-04-29T05:40:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-33.67,"az":310.3,"t":"2030-04-29T05:45:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-34.38,"az":311.5,"t":"2030-04-29T05:50:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-35.08,"az":312.8,"t":"2030-04-29T05:55:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-35.76,"az":314.1,"t":"2030-04-29T06:00:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-36.42,"az":315.4,"t":"2030-04-29T06:05:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-37.07,"az":316.7,"t":"2030-04-29T06:10:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-37.7,"az":318.1,"t":"2030-04-29T06:15:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-38.32,"az":319.5,"t":"2030-04-29T06:20:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-38.92,"az":320.9,"t":"2030-04-29T06:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-39.5,"az":322.3,"t":"2030-04-29T06:30:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-40.06,"az":323.8,"t":"2030-04-29T06:35:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-40.61,"az":325.3,"t":"2030-04-29T06:40:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-41.13,"az":326.8,"t":"2030-04-29T06:45:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-41.63,"az":328.3,"t":"2030-04-29T06:50:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-42.11,"az":329.8,"t":"2030-04-29T06:55:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-42.57,"az":331.4,"t":"2030-04-29T07:00:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-43.01,"az":333.0,"t":"2030-04-29T07:05:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-43.42,"az":334.6,"t":"2030-04-29T07:10:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-43.81,"az":336.3,"t":"2030-04-29T07:15:00Z","terrain":-0.8},{"above_terrain":false,"airmass":null,"alt":-44.17,"az":338.0,"t":"2030-04-29T07:20:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-44.51,"az":339.6,"t":"2030-04-29T07:25:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-44.83,"az":341.3,"t":"2030-04-29T07:30:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-45.11,"az":343.1,"t":"2030-04-29T07:35:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-45.37,"az":344.8,"t":"2030-04-29T07:40:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.6,"az":346.6,"t":"2030-04-29T07:45:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-45.81,"az":348.3,"t":"2030-04-29T07:50:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-45.98,"az":350.1,"t":"2030-04-29T07:55:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-46.13,"az":351.9,"t":"2030-04-29T08:00:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-46.24,"az":353.7,"t":"2030-04-29T08:05:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-46.33,"az":355.5,"t":"2030-04-29T08:10:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-46.39,"az":357.3,"t":"2030-04-29T08:15:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-46.42,"az":359.1,"t":"2030-04-29T08:20:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-46.42,"az":1.0,"t":"2030-04-29T08:25:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-46.39,"az":2.8,"t":"2030-04-29T08:30:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-46.33,"az":4.6,"t":"2030-04-29T08:35:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-46.24,"az":6.4,"t":"2030-04-29T08:40:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-46.12,"az":8.2,"t":"2030-04-29T08:45:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-45.97,"az":10.0,"t":"2030-04-29T08:50:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-45.79,"az":11.8,"t":"2030-04-29T08:55:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-45.59,"az":13.5,"t":"2030-04-29T09:00:00Z","terrain":0.02}],"transit":{"airmass":1.3,"alt":50.2,"az":180.3,"t":"2030-04-28T20:25:00Z"},"usable_hours":5.67,"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."]}