{"assessment":{"best_window":{"end":"2031-04-18T01:00Z","end_local":"04:00","hours":6.25,"label":"good","mean_quality":0.88,"start":"2031-04-17T18:45Z","start_local":"21:45"},"cost":{"altitude":1.95,"clouds":0.0,"darkness":0.96,"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":22,"cloud":null,"high":null,"iso":"2031-04-17T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-43,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":32,"cloud":null,"high":null,"iso":"2031-04-17T18:00Z","label":"poor","low":null,"mid":null,"moon_alt":-49,"precip":null,"q":0.12,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":41,"cloud":null,"high":null,"iso":"2031-04-17T19:00Z","label":"good","low":null,"mid":null,"moon_alt":-52,"precip":null,"q":0.87,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2031-04-17T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-51,"precip":null,"q":0.92,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2031-04-17T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-46,"precip":null,"q":0.93,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2031-04-17T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-38,"precip":null,"q":0.92,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2031-04-17T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-28,"precip":null,"q":0.89,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2031-04-18T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.83,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":25,"cloud":null,"high":null,"iso":"2031-04-18T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-7,"precip":null,"q":0.59,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2031-04-18T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":4,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2031-04-18T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":14,"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":6.06,"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":6.06,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2031-04-17T17:35Z","end_local":"20:35","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2031-04-17T17:00Z","start_local":"20:00"},{"end":"2031-04-17T18:10Z","end_local":"21:10","hours":0.58,"label":"poor","mean_quality":0.12,"start":"2031-04-17T17:35Z","start_local":"20:35"},{"end":"2031-04-17T18:45Z","end_local":"21:45","hours":0.58,"label":"marginal","mean_quality":0.42,"start":"2031-04-17T18:10Z","start_local":"21:10"},{"end":"2031-04-18T01:00Z","end_local":"04:00","hours":6.25,"label":"good","mean_quality":0.88,"start":"2031-04-17T18:45Z","start_local":"21:45"},{"end":"2031-04-18T01:30Z","end_local":"04:30","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2031-04-18T01:00Z","start_local":"04:00"},{"end":"2031-04-18T03:40Z","end_local":"06:40","hours":2.17,"label":"unusable","mean_quality":0.0,"start":"2031-04-18T01:30Z","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":"2031-04-17T18:44:37Z","dark_hours":7.19,"dark_to":"2031-04-18T01:56:01Z","moon":{"illumination":0.155,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":6.92,"moonrise":"2031-04-18T01:40:42Z","moonset":"2031-04-17T12:40:47Z","sunrise":"2031-04-18T03:37:01Z","sunset":"2031-04-17T17:03:33Z","twilight":{"astronomical":{"end":"2031-04-17T18:44:37Z","start":"2031-04-18T01:56:01Z"},"civil":{"end":"2031-04-17T17:32:36Z","start":"2031-04-18T03:08:00Z"},"nautical":{"end":"2031-04-17T18:07:34Z","start":"2031-04-18T02:33:03Z"}},"window_end":"2031-04-18T09:00:00Z","window_start":"2031-04-17T09:00:00Z"},"night_date":"2031-04-17","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":"2031-04-17T21:10:00Z"},"dec":2.05238823,"dec_of_date":1.8797,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":5.75,"limit_rise":"2031-04-17T16:50:53Z","limit_set":"2031-04-18T01:26:13Z","max_az_rate_deg_per_min":0.0,"moon_separation":153.7,"never_rises":false,"ra":187.27791594,"ra_of_date":187.6781,"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":"2031-04-18T03:12:14Z","blocked_dark_hours":0,"clears_at":"2031-04-17T15:02:52Z","rise_az":87.8},"track":[{"above_terrain":false,"airmass":null,"alt":-46.36,"az":356.2,"t":"2031-04-17T09:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-46.41,"az":358.0,"t":"2031-04-17T09:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.43,"az":359.8,"t":"2031-04-17T09:10:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-46.42,"az":1.6,"t":"2031-04-17T09:15:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-46.37,"az":3.4,"t":"2031-04-17T09:20:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-46.3,"az":5.3,"t":"2031-04-17T09:25:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-46.2,"az":7.1,"t":"2031-04-17T09:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-46.07,"az":8.9,"t":"2031-04-17T09:35:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-45.91,"az":10.6,"t":"2031-04-17T09:40:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-45.73,"az":12.4,"t":"2031-04-17T09:45:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-45.51,"az":14.2,"t":"2031-04-17T09:50:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-45.27,"az":15.9,"t":"2031-04-17T09:55:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-45.0,"az":17.7,"t":"2031-04-17T10:00:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-44.7,"az":19.4,"t":"2031-04-17T10:05:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-44.38,"az":21.1,"t":"2031-04-17T10:10:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-44.03,"az":22.8,"t":"2031-04-17T10:15:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-43.65,"az":24.4,"t":"2031-04-17T10:20:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-43.25,"az":26.1,"t":"2031-04-17T10:25:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-42.83,"az":27.7,"t":"2031-04-17T10:30:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-42.38,"az":29.3,"t":"2031-04-17T10:35:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-41.92,"az":30.8,"t":"2031-04-17T10:40:00Z","terrain":1.28},{"above_terrain":false,"airmass":null,"alt":-41.43,"az":32.4,"t":"2031-04-17T10:45:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-40.91,"az":33.9,"t":"2031-04-17T10:50:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-40.38,"az":35.4,"t":"2031-04-17T10:55:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-39.83,"az":36.9,"t":"2031-04-17T11:00:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-39.26,"az":38.3,"t":"2031-04-17T11:05:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-38.67,"az":39.7,"t":"2031-04-17T11:10:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-38.06,"az":41.1,"t":"2031-04-17T11:15:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-37.44,"az":42.5,"t":"2031-04-17T11:20:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-36.8,"az":43.8,"t":"2031-04-17T11:25:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-36.14,"az":45.2,"t":"2031-04-17T11:30:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-35.47,"az":46.5,"t":"2031-04-17T11:35:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-34.79,"az":47.8,"t":"2031-04-17T11:40:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-34.09,"az":49.0,"t":"2031-04-17T11:45:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-33.37,"az":50.3,"t":"2031-04-17T11:50:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-32.65,"az":51.5,"t":"2031-04-17T11:55:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-31.91,"az":52.7,"t":"2031-04-17T12:00:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-31.16,"az":53.9,"t":"2031-04-17T12:05:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-30.4,"az":55.0,"t":"2031-04-17T12:10:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-29.62,"az":56.1,"t":"2031-04-17T12:15:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-28.84,"az":57.3,"t":"2031-04-17T12:20:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-28.05,"az":58.4,"t":"2031-04-17T12:25:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-27.25,"az":59.5,"t":"2031-04-17T12:30:00Z","terrain":1.19},{"above_terrain":false,"airmass":null,"alt":-26.44,"az":60.5,"t":"2031-04-17T12:35:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-25.62,"az":61.6,"t":"2031-04-17T12:40:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-24.79,"az":62.6,"t":"2031-04-17T12:45:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-23.96,"az":63.7,"t":"2031-04-17T12:50:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-23.11,"az":64.7,"t":"2031-04-17T12:55:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.26,"az":65.7,"t":"2031-04-17T13:00:00Z","terrain":0.81},{"above_terrain":false,"airmass":null,"alt":-21.41,"az":66.6,"t":"2031-04-17T13:05:00Z","terrain":0.89},{"above_terrain":false,"airmass":null,"alt":-20.55,"az":67.6,"t":"2031-04-17T13:10:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-19.68,"az":68.6,"t":"2031-04-17T13:15:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-18.8,"az":69.5,"t":"2031-04-17T13:20:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-17.92,"az":70.5,"t":"2031-04-17T13:25:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-17.04,"az":71.4,"t":"2031-04-17T13:30:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-16.15,"az":72.3,"t":"2031-04-17T13:35:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-15.26,"az":73.2,"t":"2031-04-17T13:40:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-14.36,"az":74.1,"t":"2031-04-17T13:45:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-13.46,"az":75.0,"t":"2031-04-17T13:50:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-12.55,"az":75.9,"t":"2031-04-17T13:55:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-11.64,"az":76.8,"t":"2031-04-17T14:00:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-10.73,"az":77.7,"t":"2031-04-17T14:05:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-9.81,"az":78.5,"t":"2031-04-17T14:10:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-8.89,"az":79.4,"t":"2031-04-17T14:15:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-7.97,"az":80.3,"t":"2031-04-17T14:20:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-7.05,"az":81.1,"t":"2031-04-17T14:25:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-6.12,"az":82.0,"t":"2031-04-17T14:30:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-5.19,"az":82.8,"t":"2031-04-17T14:35:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-4.27,"az":83.7,"t":"2031-04-17T14:40:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-3.33,"az":84.5,"t":"2031-04-17T14:45:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-2.4,"az":85.3,"t":"2031-04-17T14:50:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-1.47,"az":86.2,"t":"2031-04-17T14:55:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-0.53,"az":87.0,"t":"2031-04-17T15:00:00Z","terrain":0.07},{"above_terrain":true,"airmass":32.52,"alt":0.4,"az":87.8,"t":"2031-04-17T15:05:00Z","terrain":-0.05},{"above_terrain":true,"airmass":23.6,"alt":1.34,"az":88.7,"t":"2031-04-17T15:10:00Z","terrain":-0.16},{"above_terrain":true,"airmass":18.07,"alt":2.27,"az":89.5,"t":"2031-04-17T15:15:00Z","terrain":-0.21},{"above_terrain":true,"airmass":14.46,"alt":3.21,"az":90.3,"t":"2031-04-17T15:20:00Z","terrain":-0.18},{"above_terrain":true,"airmass":11.97,"alt":4.14,"az":91.2,"t":"2031-04-17T15:25:00Z","terrain":-0.06},{"above_terrain":true,"airmass":10.17,"alt":5.08,"az":92.0,"t":"2031-04-17T15:30:00Z","terrain":0.1},{"above_terrain":true,"airmass":8.82,"alt":6.01,"az":92.8,"t":"2031-04-17T15:35:00Z","terrain":0.29},{"above_terrain":true,"airmass":7.78,"alt":6.95,"az":93.7,"t":"2031-04-17T15:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":6.95,"alt":7.88,"az":94.5,"t":"2031-04-17T15:45:00Z","terrain":0.39},{"above_terrain":true,"airmass":6.28,"alt":8.81,"az":95.4,"t":"2031-04-17T15:50:00Z","terrain":0.44},{"above_terrain":true,"airmass":5.72,"alt":9.75,"az":96.2,"t":"2031-04-17T15:55:00Z","terrain":0.59},{"above_terrain":true,"airmass":5.26,"alt":10.68,"az":97.1,"t":"2031-04-17T16:00:00Z","terrain":0.73},{"above_terrain":true,"airmass":4.86,"alt":11.6,"az":97.9,"t":"2031-04-17T16:05:00Z","terrain":0.68},{"above_terrain":true,"airmass":4.52,"alt":12.53,"az":98.8,"t":"2031-04-17T16:10:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.23,"alt":13.45,"az":99.7,"t":"2031-04-17T16:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.97,"alt":14.37,"az":100.5,"t":"2031-04-17T16:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.74,"alt":15.29,"az":101.4,"t":"2031-04-17T16:25:00Z","terrain":0.03},{"above_terrain":true,"airmass":3.54,"alt":16.21,"az":102.3,"t":"2031-04-17T16:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":3.36,"alt":17.12,"az":103.2,"t":"2031-04-17T16:35:00Z","terrain":-0.17},{"above_terrain":true,"airmass":3.2,"alt":18.03,"az":104.1,"t":"2031-04-17T16:40:00Z","terrain":-0.01},{"above_terrain":true,"airmass":3.06,"alt":18.94,"az":105.0,"t":"2031-04-17T16:45:00Z","terrain":-0.22},{"above_terrain":true,"airmass":2.93,"alt":19.84,"az":105.9,"t":"2031-04-17T16:50:00Z","terrain":-0.62},{"above_terrain":true,"airmass":2.81,"alt":20.74,"az":106.9,"t":"2031-04-17T16:55:00Z","terrain":-0.61},{"above_terrain":true,"airmass":2.7,"alt":21.63,"az":107.8,"t":"2031-04-17T17:00:00Z","terrain":-0.87},{"above_terrain":true,"airmass":2.6,"alt":22.52,"az":108.8,"t":"2031-04-17T17:05:00Z","terrain":-1.13},{"above_terrain":true,"airmass":2.51,"alt":23.4,"az":109.7,"t":"2031-04-17T17:10:00Z","terrain":-1.16},{"above_terrain":true,"airmass":2.42,"alt":24.28,"az":110.7,"t":"2031-04-17T17:15:00Z","terrain":-1.28},{"above_terrain":true,"airmass":2.34,"alt":25.15,"az":111.7,"t":"2031-04-17T17:20:00Z","terrain":-1.37},{"above_terrain":true,"airmass":2.27,"alt":26.02,"az":112.7,"t":"2031-04-17T17:25:00Z","terrain":-1.42},{"above_terrain":true,"airmass":2.2,"alt":26.88,"az":113.7,"t":"2031-04-17T17:30:00Z","terrain":-1.57},{"above_terrain":true,"airmass":2.14,"alt":27.73,"az":114.8,"t":"2031-04-17T17:35:00Z","terrain":-1.54},{"above_terrain":true,"airmass":2.08,"alt":28.58,"az":115.8,"t":"2031-04-17T17:40:00Z","terrain":-1.48},{"above_terrain":true,"airmass":2.03,"alt":29.42,"az":116.9,"t":"2031-04-17T17:45:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.98,"alt":30.25,"az":117.9,"t":"2031-04-17T17:50:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.93,"alt":31.07,"az":119.0,"t":"2031-04-17T17:55:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.89,"alt":31.89,"az":120.2,"t":"2031-04-17T18:00:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.85,"alt":32.69,"az":121.3,"t":"2031-04-17T18:05:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.81,"alt":33.49,"az":122.5,"t":"2031-04-17T18:10:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.77,"alt":34.27,"az":123.6,"t":"2031-04-17T18:15:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.74,"alt":35.04,"az":124.8,"t":"2031-04-17T18:20:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.71,"alt":35.81,"az":126.0,"t":"2031-04-17T18:25:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.68,"alt":36.56,"az":127.3,"t":"2031-04-17T18:30:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.65,"alt":37.3,"az":128.6,"t":"2031-04-17T18:35:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.62,"alt":38.02,"az":129.8,"t":"2031-04-17T18:40:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.6,"alt":38.73,"az":131.2,"t":"2031-04-17T18:45:00Z","terrain":-1.68},{"above_terrain":true,"airmass":1.57,"alt":39.43,"az":132.5,"t":"2031-04-17T18:50:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.55,"alt":40.11,"az":133.9,"t":"2031-04-17T18:55:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.53,"alt":40.78,"az":135.3,"t":"2031-04-17T19:00:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.51,"alt":41.43,"az":136.7,"t":"2031-04-17T19:05:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.49,"alt":42.06,"az":138.1,"t":"2031-04-17T19:10:00Z","terrain":-1.16},{"above_terrain":true,"airmass":1.47,"alt":42.68,"az":139.6,"t":"2031-04-17T19:15:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.46,"alt":43.28,"az":141.1,"t":"2031-04-17T19:20:00Z","terrain":-1.12},{"above_terrain":true,"airmass":1.44,"alt":43.85,"az":142.6,"t":"2031-04-17T19:25:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.43,"alt":44.41,"az":144.2,"t":"2031-04-17T19:30:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.41,"alt":44.95,"az":145.8,"t":"2031-04-17T19:35:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.4,"alt":45.46,"az":147.4,"t":"2031-04-17T19:40:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.39,"alt":45.96,"az":149.1,"t":"2031-04-17T19:45:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.38,"alt":46.43,"az":150.8,"t":"2031-04-17T19:50:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.37,"alt":46.87,"az":152.5,"t":"2031-04-17T19:55:00Z","terrain":-1.1},{"above_terrain":true,"airmass":1.36,"alt":47.29,"az":154.2,"t":"2031-04-17T20:00:00Z","terrain":-1.05},{"above_terrain":true,"airmass":1.35,"alt":47.69,"az":155.9,"t":"2031-04-17T20:05:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.34,"alt":48.05,"az":157.7,"t":"2031-04-17T20:10:00Z","terrain":-1.06},{"above_terrain":true,"airmass":1.34,"alt":48.39,"az":159.5,"t":"2031-04-17T20:15:00Z","terrain":-1.11},{"above_terrain":true,"airmass":1.33,"alt":48.71,"az":161.4,"t":"2031-04-17T20:20:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.32,"alt":48.99,"az":163.2,"t":"2031-04-17T20:25:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.32,"alt":49.25,"az":165.1,"t":"2031-04-17T20:30:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.31,"alt":49.47,"az":167.0,"t":"2031-04-17T20:35:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.31,"alt":49.67,"az":168.9,"t":"2031-04-17T20:40:00Z","terrain":-0.83},{"above_terrain":true,"airmass":1.31,"alt":49.83,"az":170.8,"t":"2031-04-17T20:45:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.3,"alt":49.97,"az":172.8,"t":"2031-04-17T20:50:00Z","terrain":-0.53},{"above_terrain":true,"airmass":1.3,"alt":50.07,"az":174.7,"t":"2031-04-17T20:55:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.3,"alt":50.14,"az":176.7,"t":"2031-04-17T21:00:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.3,"alt":50.18,"az":178.6,"t":"2031-04-17T21:05:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.3,"alt":50.19,"az":180.6,"t":"2031-04-17T21:10:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.3,"alt":50.16,"az":182.5,"t":"2031-04-17T21:15:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.3,"alt":50.1,"az":184.5,"t":"2031-04-17T21:20:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.3,"alt":50.01,"az":186.4,"t":"2031-04-17T21:25:00Z","terrain":-0.68},{"above_terrain":true,"airmass":1.31,"alt":49.89,"az":188.4,"t":"2031-04-17T21:30:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.31,"alt":49.74,"az":190.3,"t":"2031-04-17T21:35:00Z","terrain":-0.53},{"above_terrain":true,"airmass":1.31,"alt":49.56,"az":192.2,"t":"2031-04-17T21:40:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.32,"alt":49.35,"az":194.1,"t":"2031-04-17T21:45:00Z","terrain":-0.48},{"above_terrain":true,"airmass":1.32,"alt":49.1,"az":196.0,"t":"2031-04-17T21:50:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.33,"alt":48.83,"az":197.8,"t":"2031-04-17T21:55:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.33,"alt":48.53,"az":199.7,"t":"2031-04-17T22:00:00Z","terrain":-0.28},{"above_terrain":true,"airmass":1.34,"alt":48.2,"az":201.5,"t":"2031-04-17T22:05:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.35,"alt":47.84,"az":203.3,"t":"2031-04-17T22:10:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.36,"alt":47.46,"az":205.1,"t":"2031-04-17T22:15:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.36,"alt":47.05,"az":206.8,"t":"2031-04-17T22:20:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.37,"alt":46.62,"az":208.5,"t":"2031-04-17T22:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.38,"alt":46.16,"az":210.2,"t":"2031-04-17T22:30:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.4,"alt":45.68,"az":211.9,"t":"2031-04-17T22:35:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.41,"alt":45.17,"az":213.5,"t":"2031-04-17T22:40:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.42,"alt":44.64,"az":215.1,"t":"2031-04-17T22:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.44,"alt":44.09,"az":216.7,"t":"2031-04-17T22:50:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.45,"alt":43.52,"az":218.2,"t":"2031-04-17T22:55:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.47,"alt":42.93,"az":219.8,"t":"2031-04-17T23:00:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.48,"alt":42.33,"az":221.2,"t":"2031-04-17T23:05:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.5,"alt":41.7,"az":222.7,"t":"2031-04-17T23:10:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.52,"alt":41.06,"az":224.1,"t":"2031-04-17T23:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.54,"alt":40.4,"az":225.5,"t":"2031-04-17T23:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.56,"alt":39.72,"az":226.9,"t":"2031-04-17T23:25:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.59,"alt":39.03,"az":228.3,"t":"2031-04-17T23:30:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.61,"alt":38.32,"az":229.6,"t":"2031-04-17T23:35:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.64,"alt":37.6,"az":230.9,"t":"2031-04-17T23:40:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.66,"alt":36.87,"az":232.2,"t":"2031-04-17T23:45:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.69,"alt":36.13,"az":233.4,"t":"2031-04-17T23:50:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.72,"alt":35.37,"az":234.7,"t":"2031-04-17T23:55:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.76,"alt":34.6,"az":235.9,"t":"2031-04-18T00:00:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.79,"alt":33.82,"az":237.1,"t":"2031-04-18T00:05:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.83,"alt":33.03,"az":238.2,"t":"2031-04-18T00:10:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.87,"alt":32.23,"az":239.4,"t":"2031-04-18T00:15:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.91,"alt":31.42,"az":240.5,"t":"2031-04-18T00:20:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.96,"alt":30.6,"az":241.6,"t":"2031-04-18T00:25:00Z","terrain":0.92},{"above_terrain":true,"airmass":2.01,"alt":29.77,"az":242.7,"t":"2031-04-18T00:30:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.06,"alt":28.94,"az":243.8,"t":"2031-04-18T00:35:00Z","terrain":0.96},{"above_terrain":true,"airmass":2.12,"alt":28.09,"az":244.8,"t":"2031-04-18T00:40:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.18,"alt":27.24,"az":245.8,"t":"2031-04-18T00:45:00Z","terrain":1.15},{"above_terrain":true,"airmass":2.24,"alt":26.39,"az":246.9,"t":"2031-04-18T00:50:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.31,"alt":25.52,"az":247.9,"t":"2031-04-18T00:55:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.39,"alt":24.65,"az":248.9,"t":"2031-04-18T01:00:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.47,"alt":23.78,"az":249.9,"t":"2031-04-18T01:05:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.56,"alt":22.89,"az":250.8,"t":"2031-04-18T01:10:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.65,"alt":22.01,"az":251.8,"t":"2031-04-18T01:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.76,"alt":21.12,"az":252.7,"t":"2031-04-18T01:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.87,"alt":20.22,"az":253.7,"t":"2031-04-18T01:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.0,"alt":19.32,"az":254.6,"t":"2031-04-18T01:30:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.14,"alt":18.42,"az":255.5,"t":"2031-04-18T01:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.29,"alt":17.51,"az":256.4,"t":"2031-04-18T01:40:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.46,"alt":16.6,"az":257.3,"t":"2031-04-18T01:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.66,"alt":15.68,"az":258.2,"t":"2031-04-18T01:50:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.87,"alt":14.76,"az":259.1,"t":"2031-04-18T01:55:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.11,"alt":13.84,"az":260.0,"t":"2031-04-18T02:00:00Z","terrain":0.56},{"above_terrain":true,"airmass":4.39,"alt":12.92,"az":260.8,"t":"2031-04-18T02:05:00Z","terrain":0.79},{"above_terrain":true,"airmass":4.71,"alt":12.0,"az":261.7,"t":"2031-04-18T02:10:00Z","terrain":0.94},{"above_terrain":true,"airmass":5.08,"alt":11.07,"az":262.6,"t":"2031-04-18T02:15:00Z","terrain":0.88},{"above_terrain":true,"airmass":5.51,"alt":10.14,"az":263.4,"t":"2031-04-18T02:20:00Z","terrain":0.69},{"above_terrain":true,"airmass":6.03,"alt":9.21,"az":264.3,"t":"2031-04-18T02:25:00Z","terrain":0.49},{"above_terrain":true,"airmass":6.65,"alt":8.28,"az":265.1,"t":"2031-04-18T02:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":7.41,"alt":7.34,"az":266.0,"t":"2031-04-18T02:35:00Z","terrain":0.47},{"above_terrain":true,"airmass":8.35,"alt":6.41,"az":266.8,"t":"2031-04-18T02:40:00Z","terrain":0.55},{"above_terrain":true,"airmass":9.56,"alt":5.47,"az":267.6,"t":"2031-04-18T02:45:00Z","terrain":0.62},{"above_terrain":true,"airmass":11.14,"alt":4.54,"az":268.5,"t":"2031-04-18T02:50:00Z","terrain":0.7},{"above_terrain":true,"airmass":13.3,"alt":3.6,"az":269.3,"t":"2031-04-18T02:55:00Z","terrain":0.8},{"above_terrain":true,"airmass":16.37,"alt":2.67,"az":270.1,"t":"2031-04-18T03:00:00Z","terrain":0.88},{"above_terrain":true,"airmass":20.96,"alt":1.73,"az":271.0,"t":"2031-04-18T03:05:00Z","terrain":0.78},{"above_terrain":true,"airmass":28.2,"alt":0.8,"az":271.8,"t":"2031-04-18T03:10:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-0.14,"az":272.6,"t":"2031-04-18T03:15:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-1.07,"az":273.5,"t":"2031-04-18T03:20:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-2.01,"az":274.3,"t":"2031-04-18T03:25:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-2.94,"az":275.1,"t":"2031-04-18T03:30:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":276.0,"t":"2031-04-18T03:35:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-4.8,"az":276.8,"t":"2031-04-18T03:40:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-5.73,"az":277.7,"t":"2031-04-18T03:45:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-6.66,"az":278.5,"t":"2031-04-18T03:50:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-7.58,"az":279.4,"t":"2031-04-18T03:55:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-8.5,"az":280.2,"t":"2031-04-18T04:00:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-9.42,"az":281.1,"t":"2031-04-18T04:05:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-10.34,"az":282.0,"t":"2031-04-18T04:10:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-11.25,"az":282.8,"t":"2031-04-18T04:15:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-12.17,"az":283.7,"t":"2031-04-18T04:20:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-13.07,"az":284.6,"t":"2031-04-18T04:25:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-13.98,"az":285.5,"t":"2031-04-18T04:30:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-14.88,"az":286.4,"t":"2031-04-18T04:35:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-15.77,"az":287.3,"t":"2031-04-18T04:40:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-16.66,"az":288.2,"t":"2031-04-18T04:45:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-17.55,"az":289.1,"t":"2031-04-18T04:50:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-18.43,"az":290.1,"t":"2031-04-18T04:55:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-19.31,"az":291.0,"t":"2031-04-18T05:00:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-20.18,"az":292.0,"t":"2031-04-18T05:05:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-21.05,"az":292.9,"t":"2031-04-18T05:10:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-21.9,"az":293.9,"t":"2031-04-18T05:15:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-22.76,"az":294.9,"t":"2031-04-18T05:20:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-23.6,"az":295.9,"t":"2031-04-18T05:25:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-24.44,"az":296.9,"t":"2031-04-18T05:30:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-25.27,"az":298.0,"t":"2031-04-18T05:35:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-26.09,"az":299.0,"t":"2031-04-18T05:40:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-26.91,"az":300.1,"t":"2031-04-18T05:45:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-27.71,"az":301.2,"t":"2031-04-18T05:50:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-28.51,"az":302.3,"t":"2031-04-18T05:55:00Z","terrain":-0.0},{"above_terrain":false,"airmass":null,"alt":-29.29,"az":303.4,"t":"2031-04-18T06:00:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-30.07,"az":304.5,"t":"2031-04-18T06:05:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-30.84,"az":305.7,"t":"2031-04-18T06:10:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-31.59,"az":306.8,"t":"2031-04-18T06:15:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-32.34,"az":308.0,"t":"2031-04-18T06:20:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-33.07,"az":309.2,"t":"2031-04-18T06:25:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-33.79,"az":310.5,"t":"2031-04-18T06:30:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-34.49,"az":311.7,"t":"2031-04-18T06:35:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-35.18,"az":313.0,"t":"2031-04-18T06:40:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-35.86,"az":314.3,"t":"2031-04-18T06:45:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-36.52,"az":315.6,"t":"2031-04-18T06:50:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-37.17,"az":316.9,"t":"2031-04-18T06:55:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-37.8,"az":318.3,"t":"2031-04-18T07:00:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-38.42,"az":319.7,"t":"2031-04-18T07:05:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-39.01,"az":321.1,"t":"2031-04-18T07:10:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-39.59,"az":322.5,"t":"2031-04-18T07:15:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-40.15,"az":324.0,"t":"2031-04-18T07:20:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-40.69,"az":325.5,"t":"2031-04-18T07:25:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-41.21,"az":327.0,"t":"2031-04-18T07:30:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-41.71,"az":328.5,"t":"2031-04-18T07:35:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-42.19,"az":330.1,"t":"2031-04-18T07:40:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-42.64,"az":331.7,"t":"2031-04-18T07:45:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-43.08,"az":333.3,"t":"2031-04-18T07:50:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-43.49,"az":334.9,"t":"2031-04-18T07:55:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-43.87,"az":336.5,"t":"2031-04-18T08:00:00Z","terrain":-0.78},{"above_terrain":false,"airmass":null,"alt":-44.23,"az":338.2,"t":"2031-04-18T08:05:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-44.57,"az":339.9,"t":"2031-04-18T08:10:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-44.88,"az":341.6,"t":"2031-04-18T08:15:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-45.16,"az":343.3,"t":"2031-04-18T08:20:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.41,"az":345.1,"t":"2031-04-18T08:25:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-45.64,"az":346.8,"t":"2031-04-18T08:30:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-45.84,"az":348.6,"t":"2031-04-18T08:35:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-46.01,"az":350.4,"t":"2031-04-18T08:40:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-46.15,"az":352.2,"t":"2031-04-18T08:45:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-46.26,"az":354.0,"t":"2031-04-18T08:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.35,"az":355.8,"t":"2031-04-18T08:55:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-46.4,"az":357.6,"t":"2031-04-18T09:00:00Z","terrain":0.67}],"transit":{"airmass":1.3,"alt":50.2,"az":180.6,"t":"2031-04-17T21:10:00Z"},"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."]}