{"assessment":{"best_window":{"end":"2028-04-17T00:55Z","end_local":"03:55","hours":6.17,"label":"good","mean_quality":0.88,"start":"2028-04-16T18:45Z","start_local":"21:45"},"cost":{"altitude":1.94,"clouds":0.0,"darkness":0.96,"moon":0.04},"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":21,"cloud":null,"high":null,"iso":"2028-04-16T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-69,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":32,"cloud":null,"high":null,"iso":"2028-04-16T18:00Z","label":"poor","low":null,"mid":null,"moon_alt":-63,"precip":null,"q":0.12,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":41,"cloud":null,"high":null,"iso":"2028-04-16T19:00Z","label":"good","low":null,"mid":null,"moon_alt":-54,"precip":null,"q":0.87,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2028-04-16T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-44,"precip":null,"q":0.91,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2028-04-16T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-33,"precip":null,"q":0.93,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2028-04-16T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-23,"precip":null,"q":0.92,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2028-04-16T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-12,"precip":null,"q":0.89,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2028-04-17T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-2,"precip":null,"q":0.83,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":25,"cloud":null,"high":null,"iso":"2028-04-17T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.56,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2028-04-17T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":16,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2028-04-17T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":23,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.93,"peak_sky":0.93,"quality_hours":6.03,"reasons":["the target being low or below 20\u00b0 cost 1.9 quality-hours","daylight and twilight cost 1.0 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":93,"score_weather":null,"sky_hours":6.03,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2028-04-16T17:35Z","end_local":"20:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-04-16T17:00Z","start_local":"20:00"},{"end":"2028-04-16T18:10Z","end_local":"21:10","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2028-04-16T17:35Z","start_local":"20:35"},{"end":"2028-04-16T18:45Z","end_local":"21:45","hours":0.58,"label":"marginal","mean_quality":0.42,"start":"2028-04-16T18:10Z","start_local":"21:10"},{"end":"2028-04-17T00:55Z","end_local":"03:55","hours":6.17,"label":"good","mean_quality":0.88,"start":"2028-04-16T18:45Z","start_local":"21:45"},{"end":"2028-04-17T01:30Z","end_local":"04:30","hours":0.58,"label":"marginal","mean_quality":0.49,"start":"2028-04-17T00:55Z","start_local":"03:55"},{"end":"2028-04-17T03:40Z","end_local":"06:40","hours":2.17,"label":"unusable","mean_quality":0.0,"start":"2028-04-17T01:30Z","start_local":"04:30"}]},"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":"2028-04-16T18:44:12Z","dark_hours":7.21,"dark_to":"2028-04-17T01:56:32Z","moon":{"illumination":0.477,"phase":"last quarter","waxing":false},"moon_free_dark_hours":5.43,"moonrise":"2028-04-17T00:11:46Z","moonset":null,"sunrise":"2028-04-17T03:37:26Z","sunset":"2028-04-16T17:03:15Z","twilight":{"astronomical":{"end":"2028-04-16T18:44:12Z","start":"2028-04-17T01:56:32Z"},"civil":{"end":"2028-04-16T17:32:16Z","start":"2028-04-17T03:08:26Z"},"nautical":{"end":"2028-04-16T18:07:12Z","start":"2028-04-17T02:33:31Z"}},"window_end":"2028-04-17T09:00:00Z","window_start":"2028-04-16T09:00:00Z"},"night_date":"2028-04-16","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":"2028-04-16T21:10:00Z"},"dec":2.05238823,"dec_of_date":1.8962,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":5.75,"limit_rise":"2028-04-16T16:51:45Z","limit_set":"2028-04-17T01:27:12Z","max_az_rate_deg_per_min":0.0,"moon_separation":114.1,"never_rises":false,"ra":187.27791594,"ra_of_date":187.6397,"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":"5.7 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2028-04-17T03:13:15Z","blocked_dark_hours":0,"clears_at":"2028-04-16T15:03:44Z","rise_az":87.7},"track":[{"above_terrain":false,"airmass":null,"alt":-46.33,"az":355.8,"t":"2028-04-16T09:00:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-46.39,"az":357.7,"t":"2028-04-16T09:05:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-46.41,"az":359.5,"t":"2028-04-16T09:10:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-46.4,"az":1.3,"t":"2028-04-16T09:15:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-46.37,"az":3.1,"t":"2028-04-16T09:20:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-46.3,"az":4.9,"t":"2028-04-16T09:25:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-46.21,"az":6.7,"t":"2028-04-16T09:30:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-46.08,"az":8.5,"t":"2028-04-16T09:35:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-45.93,"az":10.3,"t":"2028-04-16T09:40:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-45.75,"az":12.1,"t":"2028-04-16T09:45:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-45.54,"az":13.9,"t":"2028-04-16T09:50:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-45.3,"az":15.6,"t":"2028-04-16T09:55:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-45.03,"az":17.3,"t":"2028-04-16T10:00:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-44.74,"az":19.1,"t":"2028-04-16T10:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-44.42,"az":20.8,"t":"2028-04-16T10:10:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-44.08,"az":22.5,"t":"2028-04-16T10:15:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-43.71,"az":24.1,"t":"2028-04-16T10:20:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-43.31,"az":25.8,"t":"2028-04-16T10:25:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-42.89,"az":27.4,"t":"2028-04-16T10:30:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-42.45,"az":29.0,"t":"2028-04-16T10:35:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-41.99,"az":30.5,"t":"2028-04-16T10:40:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-41.5,"az":32.1,"t":"2028-04-16T10:45:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-40.99,"az":33.6,"t":"2028-04-16T10:50:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-40.47,"az":35.1,"t":"2028-04-16T10:55:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-39.92,"az":36.6,"t":"2028-04-16T11:00:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-39.35,"az":38.0,"t":"2028-04-16T11:05:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-38.77,"az":39.5,"t":"2028-04-16T11:10:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-38.16,"az":40.9,"t":"2028-04-16T11:15:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-37.54,"az":42.2,"t":"2028-04-16T11:20:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-36.9,"az":43.6,"t":"2028-04-16T11:25:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-36.25,"az":44.9,"t":"2028-04-16T11:30:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-35.58,"az":46.2,"t":"2028-04-16T11:35:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-34.9,"az":47.5,"t":"2028-04-16T11:40:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-34.2,"az":48.8,"t":"2028-04-16T11:45:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-33.49,"az":50.0,"t":"2028-04-16T11:50:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-32.77,"az":51.2,"t":"2028-04-16T11:55:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-32.03,"az":52.4,"t":"2028-04-16T12:00:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-31.28,"az":53.6,"t":"2028-04-16T12:05:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-30.52,"az":54.8,"t":"2028-04-16T12:10:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-29.75,"az":55.9,"t":"2028-04-16T12:15:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-28.97,"az":57.1,"t":"2028-04-16T12:20:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-28.18,"az":58.2,"t":"2028-04-16T12:25:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-27.38,"az":59.2,"t":"2028-04-16T12:30:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-26.58,"az":60.3,"t":"2028-04-16T12:35:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-25.76,"az":61.4,"t":"2028-04-16T12:40:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-24.93,"az":62.4,"t":"2028-04-16T12:45:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-24.1,"az":63.5,"t":"2028-04-16T12:50:00Z","terrain":0.85},{"above_terrain":false,"airmass":null,"alt":-23.26,"az":64.5,"t":"2028-04-16T12:55:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.41,"az":65.5,"t":"2028-04-16T13:00:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-21.56,"az":66.5,"t":"2028-04-16T13:05:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-20.69,"az":67.4,"t":"2028-04-16T13:10:00Z","terrain":0.96},{"above_terrain":false,"airmass":null,"alt":-19.83,"az":68.4,"t":"2028-04-16T13:15:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-18.95,"az":69.3,"t":"2028-04-16T13:20:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-18.08,"az":70.3,"t":"2028-04-16T13:25:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-17.19,"az":71.2,"t":"2028-04-16T13:30:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-16.3,"az":72.1,"t":"2028-04-16T13:35:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-15.41,"az":73.1,"t":"2028-04-16T13:40:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-14.51,"az":74.0,"t":"2028-04-16T13:45:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-13.61,"az":74.9,"t":"2028-04-16T13:50:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-12.71,"az":75.7,"t":"2028-04-16T13:55:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-11.8,"az":76.6,"t":"2028-04-16T14:00:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-10.88,"az":77.5,"t":"2028-04-16T14:05:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-9.97,"az":78.4,"t":"2028-04-16T14:10:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-9.05,"az":79.2,"t":"2028-04-16T14:15:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-8.13,"az":80.1,"t":"2028-04-16T14:20:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-7.21,"az":80.9,"t":"2028-04-16T14:25:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-6.28,"az":81.8,"t":"2028-04-16T14:30:00Z","terrain":0.78},{"above_terrain":false,"airmass":null,"alt":-5.35,"az":82.6,"t":"2028-04-16T14:35:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-4.43,"az":83.5,"t":"2028-04-16T14:40:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-3.49,"az":84.3,"t":"2028-04-16T14:45:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-2.56,"az":85.2,"t":"2028-04-16T14:50:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-1.63,"az":86.0,"t":"2028-04-16T14:55:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-0.7,"az":86.8,"t":"2028-04-16T15:00:00Z","terrain":0.09},{"above_terrain":true,"airmass":34.56,"alt":0.24,"az":87.7,"t":"2028-04-16T15:05:00Z","terrain":-0.02},{"above_terrain":true,"airmass":24.84,"alt":1.17,"az":88.5,"t":"2028-04-16T15:10:00Z","terrain":-0.14},{"above_terrain":true,"airmass":18.86,"alt":2.11,"az":89.3,"t":"2028-04-16T15:15:00Z","terrain":-0.21},{"above_terrain":true,"airmass":14.99,"alt":3.05,"az":90.2,"t":"2028-04-16T15:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.34,"alt":3.98,"az":91.0,"t":"2028-04-16T15:25:00Z","terrain":-0.09},{"above_terrain":true,"airmass":10.45,"alt":4.92,"az":91.8,"t":"2028-04-16T15:30:00Z","terrain":0.07},{"above_terrain":true,"airmass":9.03,"alt":5.85,"az":92.7,"t":"2028-04-16T15:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":7.94,"alt":6.79,"az":93.5,"t":"2028-04-16T15:40:00Z","terrain":0.37},{"above_terrain":true,"airmass":7.08,"alt":7.72,"az":94.4,"t":"2028-04-16T15:45:00Z","terrain":0.4},{"above_terrain":true,"airmass":6.38,"alt":8.65,"az":95.2,"t":"2028-04-16T15:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":5.81,"alt":9.59,"az":96.1,"t":"2028-04-16T15:55:00Z","terrain":0.56},{"above_terrain":true,"airmass":5.33,"alt":10.52,"az":96.9,"t":"2028-04-16T16:00:00Z","terrain":0.71},{"above_terrain":true,"airmass":4.92,"alt":11.44,"az":97.8,"t":"2028-04-16T16:05:00Z","terrain":0.69},{"above_terrain":true,"airmass":4.58,"alt":12.37,"az":98.6,"t":"2028-04-16T16:10:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.28,"alt":13.29,"az":99.5,"t":"2028-04-16T16:15:00Z","terrain":0.38},{"above_terrain":true,"airmass":4.01,"alt":14.22,"az":100.4,"t":"2028-04-16T16:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.78,"alt":15.14,"az":101.2,"t":"2028-04-16T16:25:00Z","terrain":0.05},{"above_terrain":true,"airmass":3.58,"alt":16.05,"az":102.1,"t":"2028-04-16T16:30:00Z","terrain":-0.06},{"above_terrain":true,"airmass":3.39,"alt":16.97,"az":103.0,"t":"2028-04-16T16:35:00Z","terrain":-0.21},{"above_terrain":true,"airmass":3.23,"alt":17.88,"az":103.9,"t":"2028-04-16T16:40:00Z","terrain":-0.01},{"above_terrain":true,"airmass":3.08,"alt":18.78,"az":104.8,"t":"2028-04-16T16:45:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.95,"alt":19.69,"az":105.8,"t":"2028-04-16T16:50:00Z","terrain":-0.54},{"above_terrain":true,"airmass":2.83,"alt":20.58,"az":106.7,"t":"2028-04-16T16:55:00Z","terrain":-0.62},{"above_terrain":true,"airmass":2.71,"alt":21.48,"az":107.6,"t":"2028-04-16T17:00:00Z","terrain":-0.81},{"above_terrain":true,"airmass":2.61,"alt":22.37,"az":108.6,"t":"2028-04-16T17:05:00Z","terrain":-1.08},{"above_terrain":true,"airmass":2.52,"alt":23.25,"az":109.5,"t":"2028-04-16T17:10:00Z","terrain":-1.17},{"above_terrain":true,"airmass":2.43,"alt":24.13,"az":110.5,"t":"2028-04-16T17:15:00Z","terrain":-1.24},{"above_terrain":true,"airmass":2.36,"alt":25.01,"az":111.5,"t":"2028-04-16T17:20:00Z","terrain":-1.36},{"above_terrain":true,"airmass":2.28,"alt":25.87,"az":112.5,"t":"2028-04-16T17:25:00Z","terrain":-1.41},{"above_terrain":true,"airmass":2.21,"alt":26.73,"az":113.5,"t":"2028-04-16T17:30:00Z","terrain":-1.53},{"above_terrain":true,"airmass":2.15,"alt":27.59,"az":114.5,"t":"2028-04-16T17:35:00Z","terrain":-1.56},{"above_terrain":true,"airmass":2.09,"alt":28.44,"az":115.6,"t":"2028-04-16T17:40:00Z","terrain":-1.49},{"above_terrain":true,"airmass":2.04,"alt":29.28,"az":116.7,"t":"2028-04-16T17:45:00Z","terrain":-1.57},{"above_terrain":true,"airmass":1.99,"alt":30.11,"az":117.7,"t":"2028-04-16T17:50:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.94,"alt":30.93,"az":118.8,"t":"2028-04-16T17:55:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.9,"alt":31.75,"az":119.9,"t":"2028-04-16T18:00:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.85,"alt":32.56,"az":121.1,"t":"2028-04-16T18:05:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.81,"alt":33.35,"az":122.2,"t":"2028-04-16T18:10:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.78,"alt":34.14,"az":123.4,"t":"2028-04-16T18:15:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.74,"alt":34.92,"az":124.6,"t":"2028-04-16T18:20:00Z","terrain":-1.57},{"above_terrain":true,"airmass":1.71,"alt":35.68,"az":125.8,"t":"2028-04-16T18:25:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.68,"alt":36.43,"az":127.0,"t":"2028-04-16T18:30:00Z","terrain":-1.53},{"above_terrain":true,"airmass":1.65,"alt":37.17,"az":128.3,"t":"2028-04-16T18:35:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.63,"alt":37.9,"az":129.6,"t":"2028-04-16T18:40:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.6,"alt":38.62,"az":130.9,"t":"2028-04-16T18:45:00Z","terrain":-1.68},{"above_terrain":true,"airmass":1.58,"alt":39.32,"az":132.2,"t":"2028-04-16T18:50:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.55,"alt":40.0,"az":133.6,"t":"2028-04-16T18:55:00Z","terrain":-1.59},{"above_terrain":true,"airmass":1.53,"alt":40.67,"az":135.0,"t":"2028-04-16T19:00:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.51,"alt":41.33,"az":136.4,"t":"2028-04-16T19:05:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.49,"alt":41.96,"az":137.9,"t":"2028-04-16T19:10:00Z","terrain":-1.15},{"above_terrain":true,"airmass":1.48,"alt":42.58,"az":139.3,"t":"2028-04-16T19:15:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.46,"alt":43.18,"az":140.8,"t":"2028-04-16T19:20:00Z","terrain":-1.14},{"above_terrain":true,"airmass":1.44,"alt":43.76,"az":142.4,"t":"2028-04-16T19:25:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.43,"alt":44.33,"az":143.9,"t":"2028-04-16T19:30:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.42,"alt":44.87,"az":145.5,"t":"2028-04-16T19:35:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.4,"alt":45.39,"az":147.1,"t":"2028-04-16T19:40:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.39,"alt":45.88,"az":148.8,"t":"2028-04-16T19:45:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.38,"alt":46.36,"az":150.4,"t":"2028-04-16T19:50:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.37,"alt":46.81,"az":152.1,"t":"2028-04-16T19:55:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.36,"alt":47.23,"az":153.9,"t":"2028-04-16T20:00:00Z","terrain":-1.02},{"above_terrain":true,"airmass":1.35,"alt":47.63,"az":155.6,"t":"2028-04-16T20:05:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.34,"alt":48.0,"az":157.4,"t":"2028-04-16T20:10:00Z","terrain":-1.07},{"above_terrain":true,"airmass":1.34,"alt":48.35,"az":159.2,"t":"2028-04-16T20:15:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.33,"alt":48.67,"az":161.0,"t":"2028-04-16T20:20:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.32,"alt":48.96,"az":162.9,"t":"2028-04-16T20:25:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.32,"alt":49.22,"az":164.8,"t":"2028-04-16T20:30:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.31,"alt":49.45,"az":166.6,"t":"2028-04-16T20:35:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.31,"alt":49.65,"az":168.5,"t":"2028-04-16T20:40:00Z","terrain":-0.88},{"above_terrain":true,"airmass":1.31,"alt":49.82,"az":170.5,"t":"2028-04-16T20:45:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.3,"alt":49.96,"az":172.4,"t":"2028-04-16T20:50:00Z","terrain":-0.56},{"above_terrain":true,"airmass":1.3,"alt":50.07,"az":174.3,"t":"2028-04-16T20:55:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.3,"alt":50.15,"az":176.3,"t":"2028-04-16T21:00:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.3,"alt":50.19,"az":178.2,"t":"2028-04-16T21:05:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.3,"alt":50.2,"az":180.2,"t":"2028-04-16T21:10:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.3,"alt":50.18,"az":182.2,"t":"2028-04-16T21:15:00Z","terrain":-0.67},{"above_terrain":true,"airmass":1.3,"alt":50.13,"az":184.1,"t":"2028-04-16T21:20:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.3,"alt":50.05,"az":186.1,"t":"2028-04-16T21:25:00Z","terrain":-0.72},{"above_terrain":true,"airmass":1.31,"alt":49.93,"az":188.0,"t":"2028-04-16T21:30:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.31,"alt":49.79,"az":189.9,"t":"2028-04-16T21:35:00Z","terrain":-0.56},{"above_terrain":true,"airmass":1.31,"alt":49.61,"az":191.9,"t":"2028-04-16T21:40:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.32,"alt":49.4,"az":193.8,"t":"2028-04-16T21:45:00Z","terrain":-0.48},{"above_terrain":true,"airmass":1.32,"alt":49.17,"az":195.6,"t":"2028-04-16T21:50:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.33,"alt":48.9,"az":197.5,"t":"2028-04-16T21:55:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.33,"alt":48.6,"az":199.4,"t":"2028-04-16T22:00:00Z","terrain":-0.3},{"above_terrain":true,"airmass":1.34,"alt":48.28,"az":201.2,"t":"2028-04-16T22:05:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.35,"alt":47.93,"az":203.0,"t":"2028-04-16T22:10:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.35,"alt":47.55,"az":204.8,"t":"2028-04-16T22:15:00Z","terrain":-0.27},{"above_terrain":true,"airmass":1.36,"alt":47.14,"az":206.5,"t":"2028-04-16T22:20:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.37,"alt":46.71,"az":208.2,"t":"2028-04-16T22:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.38,"alt":46.26,"az":209.9,"t":"2028-04-16T22:30:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.39,"alt":45.78,"az":211.6,"t":"2028-04-16T22:35:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.41,"alt":45.28,"az":213.2,"t":"2028-04-16T22:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.42,"alt":44.76,"az":214.8,"t":"2028-04-16T22:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.43,"alt":44.21,"az":216.4,"t":"2028-04-16T22:50:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.45,"alt":43.64,"az":218.0,"t":"2028-04-16T22:55:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.46,"alt":43.06,"az":219.5,"t":"2028-04-16T23:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.48,"alt":42.45,"az":221.0,"t":"2028-04-16T23:05:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.5,"alt":41.83,"az":222.5,"t":"2028-04-16T23:10:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.52,"alt":41.19,"az":223.9,"t":"2028-04-16T23:15:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.54,"alt":40.53,"az":225.3,"t":"2028-04-16T23:20:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.56,"alt":39.86,"az":226.7,"t":"2028-04-16T23:25:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.58,"alt":39.17,"az":228.0,"t":"2028-04-16T23:30:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.6,"alt":38.47,"az":229.4,"t":"2028-04-16T23:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.63,"alt":37.75,"az":230.7,"t":"2028-04-16T23:40:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.66,"alt":37.02,"az":232.0,"t":"2028-04-16T23:45:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.69,"alt":36.28,"az":233.2,"t":"2028-04-16T23:50:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.72,"alt":35.52,"az":234.4,"t":"2028-04-16T23:55:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.75,"alt":34.75,"az":235.7,"t":"2028-04-17T00:00:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.79,"alt":33.98,"az":236.8,"t":"2028-04-17T00:05:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.82,"alt":33.19,"az":238.0,"t":"2028-04-17T00:10:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.86,"alt":32.39,"az":239.2,"t":"2028-04-17T00:15:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.9,"alt":31.58,"az":240.3,"t":"2028-04-17T00:20:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.95,"alt":30.76,"az":241.4,"t":"2028-04-17T00:25:00Z","terrain":0.86},{"above_terrain":true,"airmass":2.0,"alt":29.94,"az":242.5,"t":"2028-04-17T00:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.05,"alt":29.1,"az":243.6,"t":"2028-04-17T00:35:00Z","terrain":0.97},{"above_terrain":true,"airmass":2.11,"alt":28.26,"az":244.6,"t":"2028-04-17T00:40:00Z","terrain":0.97},{"above_terrain":true,"airmass":2.16,"alt":27.41,"az":245.7,"t":"2028-04-17T00:45:00Z","terrain":1.12},{"above_terrain":true,"airmass":2.23,"alt":26.56,"az":246.7,"t":"2028-04-17T00:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.3,"alt":25.69,"az":247.7,"t":"2028-04-17T00:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.37,"alt":24.82,"az":248.7,"t":"2028-04-17T01:00:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.45,"alt":23.95,"az":249.7,"t":"2028-04-17T01:05:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.54,"alt":23.07,"az":250.7,"t":"2028-04-17T01:10:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.63,"alt":22.18,"az":251.6,"t":"2028-04-17T01:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.74,"alt":21.29,"az":252.6,"t":"2028-04-17T01:20:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.85,"alt":20.4,"az":253.5,"t":"2028-04-17T01:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.97,"alt":19.5,"az":254.4,"t":"2028-04-17T01:30:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.11,"alt":18.59,"az":255.4,"t":"2028-04-17T01:35:00Z","terrain":0.29},{"above_terrain":true,"airmass":3.26,"alt":17.69,"az":256.3,"t":"2028-04-17T01:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.43,"alt":16.78,"az":257.2,"t":"2028-04-17T01:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.62,"alt":15.86,"az":258.1,"t":"2028-04-17T01:50:00Z","terrain":0.37},{"above_terrain":true,"airmass":3.83,"alt":14.94,"az":258.9,"t":"2028-04-17T01:55:00Z","terrain":0.47},{"above_terrain":true,"airmass":4.06,"alt":14.02,"az":259.8,"t":"2028-04-17T02:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.33,"alt":13.1,"az":260.7,"t":"2028-04-17T02:05:00Z","terrain":0.75},{"above_terrain":true,"airmass":4.64,"alt":12.18,"az":261.6,"t":"2028-04-17T02:10:00Z","terrain":0.92},{"above_terrain":true,"airmass":5.0,"alt":11.25,"az":262.4,"t":"2028-04-17T02:15:00Z","terrain":0.91},{"above_terrain":true,"airmass":5.42,"alt":10.32,"az":263.3,"t":"2028-04-17T02:20:00Z","terrain":0.73},{"above_terrain":true,"airmass":5.92,"alt":9.39,"az":264.1,"t":"2028-04-17T02:25:00Z","terrain":0.5},{"above_terrain":true,"airmass":6.52,"alt":8.46,"az":265.0,"t":"2028-04-17T02:30:00Z","terrain":0.39},{"above_terrain":true,"airmass":7.24,"alt":7.53,"az":265.8,"t":"2028-04-17T02:35:00Z","terrain":0.46},{"above_terrain":true,"airmass":8.15,"alt":6.59,"az":266.7,"t":"2028-04-17T02:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":9.3,"alt":5.66,"az":267.5,"t":"2028-04-17T02:45:00Z","terrain":0.61},{"above_terrain":true,"airmass":10.8,"alt":4.72,"az":268.3,"t":"2028-04-17T02:50:00Z","terrain":0.68},{"above_terrain":true,"airmass":12.82,"alt":3.79,"az":269.2,"t":"2028-04-17T02:55:00Z","terrain":0.77},{"above_terrain":true,"airmass":15.67,"alt":2.85,"az":270.0,"t":"2028-04-17T03:00:00Z","terrain":0.9},{"above_terrain":true,"airmass":19.89,"alt":1.92,"az":270.8,"t":"2028-04-17T03:05:00Z","terrain":0.8},{"above_terrain":true,"airmass":26.49,"alt":0.98,"az":271.7,"t":"2028-04-17T03:10:00Z","terrain":0.54},{"above_terrain":false,"airmass":37.27,"alt":0.04,"az":272.5,"t":"2028-04-17T03:15:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-0.89,"az":273.3,"t":"2028-04-17T03:20:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-1.82,"az":274.2,"t":"2028-04-17T03:25:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-2.76,"az":275.0,"t":"2028-04-17T03:30:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-3.69,"az":275.8,"t":"2028-04-17T03:35:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-4.62,"az":276.7,"t":"2028-04-17T03:40:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-5.55,"az":277.5,"t":"2028-04-17T03:45:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-6.48,"az":278.4,"t":"2028-04-17T03:50:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-7.4,"az":279.2,"t":"2028-04-17T03:55:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-8.32,"az":280.1,"t":"2028-04-17T04:00:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-9.24,"az":280.9,"t":"2028-04-17T04:05:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-10.16,"az":281.8,"t":"2028-04-17T04:10:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-11.08,"az":282.7,"t":"2028-04-17T04:15:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-11.99,"az":283.6,"t":"2028-04-17T04:20:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-12.89,"az":284.4,"t":"2028-04-17T04:25:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-13.8,"az":285.3,"t":"2028-04-17T04:30:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-14.7,"az":286.2,"t":"2028-04-17T04:35:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-15.6,"az":287.1,"t":"2028-04-17T04:40:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-16.49,"az":288.1,"t":"2028-04-17T04:45:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-17.38,"az":289.0,"t":"2028-04-17T04:50:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-18.26,"az":289.9,"t":"2028-04-17T04:55:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-19.14,"az":290.9,"t":"2028-04-17T05:00:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-20.01,"az":291.8,"t":"2028-04-17T05:05:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-20.87,"az":292.8,"t":"2028-04-17T05:10:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-21.73,"az":293.8,"t":"2028-04-17T05:15:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-22.59,"az":294.7,"t":"2028-04-17T05:20:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-23.43,"az":295.7,"t":"2028-04-17T05:25:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-24.27,"az":296.8,"t":"2028-04-17T05:30:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-25.11,"az":297.8,"t":"2028-04-17T05:35:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-25.93,"az":298.8,"t":"2028-04-17T05:40:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-26.74,"az":299.9,"t":"2028-04-17T05:45:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-27.55,"az":301.0,"t":"2028-04-17T05:50:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-28.35,"az":302.1,"t":"2028-04-17T05:55:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-29.14,"az":303.2,"t":"2028-04-17T06:00:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-29.92,"az":304.3,"t":"2028-04-17T06:05:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-30.68,"az":305.5,"t":"2028-04-17T06:10:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-31.44,"az":306.6,"t":"2028-04-17T06:15:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-32.19,"az":307.8,"t":"2028-04-17T06:20:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-32.92,"az":309.0,"t":"2028-04-17T06:25:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-33.64,"az":310.2,"t":"2028-04-17T06:30:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-34.35,"az":311.5,"t":"2028-04-17T06:35:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-35.04,"az":312.8,"t":"2028-04-17T06:40:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-35.72,"az":314.0,"t":"2028-04-17T06:45:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-36.39,"az":315.4,"t":"2028-04-17T06:50:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-37.04,"az":316.7,"t":"2028-04-17T06:55:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-37.67,"az":318.1,"t":"2028-04-17T07:00:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-38.29,"az":319.4,"t":"2028-04-17T07:05:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-38.89,"az":320.8,"t":"2028-04-17T07:10:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-39.47,"az":322.3,"t":"2028-04-17T07:15:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-40.03,"az":323.7,"t":"2028-04-17T07:20:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-40.58,"az":325.2,"t":"2028-04-17T07:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-41.1,"az":326.7,"t":"2028-04-17T07:30:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-41.61,"az":328.2,"t":"2028-04-17T07:35:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-42.09,"az":329.8,"t":"2028-04-17T07:40:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-42.55,"az":331.4,"t":"2028-04-17T07:45:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-42.98,"az":333.0,"t":"2028-04-17T07:50:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-43.4,"az":334.6,"t":"2028-04-17T07:55:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-43.79,"az":336.2,"t":"2028-04-17T08:00:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-44.15,"az":337.9,"t":"2028-04-17T08:05:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-44.49,"az":339.6,"t":"2028-04-17T08:10:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-44.8,"az":341.3,"t":"2028-04-17T08:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-45.09,"az":343.0,"t":"2028-04-17T08:20:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-45.35,"az":344.8,"t":"2028-04-17T08:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.58,"az":346.5,"t":"2028-04-17T08:30:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-45.79,"az":348.3,"t":"2028-04-17T08:35:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-45.96,"az":350.1,"t":"2028-04-17T08:40:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-46.11,"az":351.8,"t":"2028-04-17T08:45:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-46.23,"az":353.7,"t":"2028-04-17T08:50:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-46.32,"az":355.5,"t":"2028-04-17T08:55:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-46.38,"az":357.3,"t":"2028-04-17T09:00:00Z","terrain":0.71}],"transit":{"airmass":1.3,"alt":50.2,"az":180.2,"t":"2028-04-16T21:10:00Z"},"usable_hours":6.75,"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."]}