{"assessment":{"best_window":{"end":"2038-09-17T23:15Z","end_local":"02:15","hours":5.17,"label":"good","mean_quality":0.79,"start":"2038-09-17T18:05Z","start_local":"21:05"},"cost":{"altitude":3.39,"clouds":0.0,"darkness":1.28,"moon":0.93},"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":62,"cloud":null,"high":null,"iso":"2038-09-17T17:00Z","label":"poor","low":null,"mid":null,"moon_alt":-17,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"20:00","wind":null},{"alt":70,"cloud":null,"high":null,"iso":"2038-09-17T18:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-7,"precip":null,"q":0.5,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":70,"cloud":null,"high":null,"iso":"2038-09-17T19:00Z","label":"good","low":null,"mid":null,"moon_alt":3,"precip":null,"q":0.86,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":64,"cloud":null,"high":null,"iso":"2038-09-17T20:00Z","label":"good","low":null,"mid":null,"moon_alt":14,"precip":null,"q":0.83,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":55,"cloud":null,"high":null,"iso":"2038-09-17T21:00Z","label":"good","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.78,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2038-09-17T22:00Z","label":"good","low":null,"mid":null,"moon_alt":36,"precip":null,"q":0.7,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":32,"cloud":null,"high":null,"iso":"2038-09-17T23:00Z","label":"good","low":null,"mid":null,"moon_alt":46,"precip":null,"q":0.63,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":21,"cloud":null,"high":null,"iso":"2038-09-18T00:00Z","label":"marginal","low":null,"mid":null,"moon_alt":55,"precip":null,"q":0.34,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":11,"cloud":null,"high":null,"iso":"2038-09-18T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":60,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":0,"cloud":null,"high":null,"iso":"2038-09-18T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":60,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-9,"cloud":null,"high":null,"iso":"2038-09-18T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":55,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":-16,"cloud":null,"high":null,"iso":"2038-09-18T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":47,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":4.9,"reasons":["the target being low or below 20\u00b0 cost 3.4 quality-hours","daylight and twilight cost 1.3 quality-hours","moonlight cost 0.9 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":4.9,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2038-09-17T16:55Z","end_local":"19:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2038-09-17T16:25Z","start_local":"19:25"},{"end":"2038-09-17T17:30Z","end_local":"20:30","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2038-09-17T16:55Z","start_local":"19:55"},{"end":"2038-09-17T18:05Z","end_local":"21:05","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2038-09-17T17:30Z","start_local":"20:30"},{"end":"2038-09-17T23:15Z","end_local":"02:15","hours":5.17,"label":"good","mean_quality":0.79,"start":"2038-09-17T18:05Z","start_local":"21:05"},{"end":"2038-09-18T00:10Z","end_local":"03:10","hours":0.92,"label":"marginal","mean_quality":0.46,"start":"2038-09-17T23:15Z","start_local":"02:15"},{"end":"2038-09-18T04:05Z","end_local":"07:05","hours":3.92,"label":"unusable","mean_quality":0.0,"start":"2038-09-18T00:10Z","start_local":"03:10"}]},"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":"2038-09-17T18:01:10Z","dark_hours":8.48,"dark_to":"2038-09-18T02:30:03Z","moon":{"illumination":0.828,"phase":"waning gibbous","waxing":false},"moon_free_dark_hours":0.65,"moonrise":"2038-09-17T18:41:46Z","moonset":"2038-09-18T08:26:40Z","sunrise":"2038-09-18T04:04:12Z","sunset":"2038-09-17T16:27:08Z","twilight":{"astronomical":{"end":"2038-09-17T18:01:10Z","start":"2038-09-18T02:30:03Z"},"civil":{"end":"2038-09-17T16:54:55Z","start":"2038-09-18T03:36:22Z"},"nautical":{"end":"2038-09-17T17:27:38Z","start":"2038-09-18T03:03:38Z"}},"window_end":"2038-09-18T09:00:00Z","window_start":"2038-09-17T09:00:00Z"},"night_date":"2038-09-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.06,"alt":71.1,"t":"2038-09-17T18:35:00Z"},"dec":22.71085365,"dec_of_date":22.8199,"dec_str":"+22\u00b0 42' 39.1\"","good_hours":5.17,"limit_rise":"2038-09-17T13:05:12Z","limit_set":"2038-09-18T00:07:16Z","max_az_rate_deg_per_min":0.71,"moon_separation":96.5,"never_rises":false,"ra":300.18213726,"ra_of_date":300.6002,"ra_str":"20h 00m 43.7s","resolved":{"dec":22.71085365,"name":"HD 189733","ra":300.18213726,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=HD%20189733","source":"sesame","spectral_type":"K2V","type":"BY*","type_text":"BY Draconis variable \u2014 a spotted, rotating star","vmag":7.648},"summary":"5.2 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2038-09-18T02:01:15Z","blocked_dark_hours":0,"clears_at":"2038-09-17T11:16:40Z","rise_az":60.5},"track":[{"above_terrain":false,"airmass":null,"alt":-17.58,"az":34.2,"t":"2038-09-17T09:00:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-17.05,"az":35.3,"t":"2038-09-17T09:05:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-16.5,"az":36.3,"t":"2038-09-17T09:10:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-15.94,"az":37.4,"t":"2038-09-17T09:15:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-15.36,"az":38.4,"t":"2038-09-17T09:20:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-14.78,"az":39.5,"t":"2038-09-17T09:25:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-14.17,"az":40.5,"t":"2038-09-17T09:30:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-13.56,"az":41.5,"t":"2038-09-17T09:35:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-12.93,"az":42.5,"t":"2038-09-17T09:40:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-12.3,"az":43.5,"t":"2038-09-17T09:45:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-11.65,"az":44.4,"t":"2038-09-17T09:50:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-10.99,"az":45.4,"t":"2038-09-17T09:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-10.31,"az":46.4,"t":"2038-09-17T10:00:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-9.63,"az":47.3,"t":"2038-09-17T10:05:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-8.94,"az":48.3,"t":"2038-09-17T10:10:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-8.23,"az":49.2,"t":"2038-09-17T10:15:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-7.52,"az":50.1,"t":"2038-09-17T10:20:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":51.0,"t":"2038-09-17T10:25:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-6.07,"az":51.9,"t":"2038-09-17T10:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-5.33,"az":52.8,"t":"2038-09-17T10:35:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-4.58,"az":53.7,"t":"2038-09-17T10:40:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":54.6,"t":"2038-09-17T10:45:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-3.05,"az":55.4,"t":"2038-09-17T10:50:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-2.28,"az":56.3,"t":"2038-09-17T10:55:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.49,"az":57.1,"t":"2038-09-17T11:00:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-0.7,"az":58.0,"t":"2038-09-17T11:05:00Z","terrain":1.24},{"above_terrain":false,"airmass":36.57,"alt":0.09,"az":58.8,"t":"2038-09-17T11:10:00Z","terrain":1.22},{"above_terrain":false,"airmass":27.24,"alt":0.9,"az":59.6,"t":"2038-09-17T11:15:00Z","terrain":1.18},{"above_terrain":true,"airmass":21.1,"alt":1.71,"az":60.5,"t":"2038-09-17T11:20:00Z","terrain":1.13},{"above_terrain":true,"airmass":16.95,"alt":2.53,"az":61.3,"t":"2038-09-17T11:25:00Z","terrain":1.07},{"above_terrain":true,"airmass":14.03,"alt":3.35,"az":62.1,"t":"2038-09-17T11:30:00Z","terrain":1.0},{"above_terrain":true,"airmass":11.89,"alt":4.18,"az":62.9,"t":"2038-09-17T11:35:00Z","terrain":0.92},{"above_terrain":true,"airmass":10.28,"alt":5.02,"az":63.7,"t":"2038-09-17T11:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":9.03,"alt":5.86,"az":64.5,"t":"2038-09-17T11:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":8.03,"alt":6.7,"az":65.3,"t":"2038-09-17T11:50:00Z","terrain":0.79},{"above_terrain":true,"airmass":7.22,"alt":7.56,"az":66.1,"t":"2038-09-17T11:55:00Z","terrain":0.84},{"above_terrain":true,"airmass":6.55,"alt":8.42,"az":66.8,"t":"2038-09-17T12:00:00Z","terrain":0.91},{"above_terrain":true,"airmass":5.99,"alt":9.28,"az":67.6,"t":"2038-09-17T12:05:00Z","terrain":0.97},{"above_terrain":true,"airmass":5.51,"alt":10.15,"az":68.4,"t":"2038-09-17T12:10:00Z","terrain":1.01},{"above_terrain":true,"airmass":5.1,"alt":11.02,"az":69.2,"t":"2038-09-17T12:15:00Z","terrain":1.08},{"above_terrain":true,"airmass":4.75,"alt":11.9,"az":69.9,"t":"2038-09-17T12:20:00Z","terrain":1.21},{"above_terrain":true,"airmass":4.44,"alt":12.78,"az":70.7,"t":"2038-09-17T12:25:00Z","terrain":1.25},{"above_terrain":true,"airmass":4.17,"alt":13.66,"az":71.5,"t":"2038-09-17T12:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":3.92,"alt":14.55,"az":72.2,"t":"2038-09-17T12:35:00Z","terrain":1.15},{"above_terrain":true,"airmass":3.71,"alt":15.44,"az":73.0,"t":"2038-09-17T12:40:00Z","terrain":0.99},{"above_terrain":true,"airmass":3.52,"alt":16.34,"az":73.7,"t":"2038-09-17T12:45:00Z","terrain":0.8},{"above_terrain":true,"airmass":3.34,"alt":17.24,"az":74.5,"t":"2038-09-17T12:50:00Z","terrain":0.68},{"above_terrain":true,"airmass":3.18,"alt":18.15,"az":75.2,"t":"2038-09-17T12:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.04,"alt":19.05,"az":76.0,"t":"2038-09-17T13:00:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.91,"alt":19.96,"az":76.8,"t":"2038-09-17T13:05:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.79,"alt":20.87,"az":77.5,"t":"2038-09-17T13:10:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.68,"alt":21.79,"az":78.3,"t":"2038-09-17T13:15:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.58,"alt":22.71,"az":79.0,"t":"2038-09-17T13:20:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.48,"alt":23.63,"az":79.8,"t":"2038-09-17T13:25:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.4,"alt":24.55,"az":80.6,"t":"2038-09-17T13:30:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.32,"alt":25.47,"az":81.3,"t":"2038-09-17T13:35:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.24,"alt":26.4,"az":82.1,"t":"2038-09-17T13:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":2.17,"alt":27.33,"az":82.9,"t":"2038-09-17T13:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.11,"alt":28.26,"az":83.6,"t":"2038-09-17T13:50:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.04,"alt":29.19,"az":84.4,"t":"2038-09-17T13:55:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.99,"alt":30.12,"az":85.2,"t":"2038-09-17T14:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.93,"alt":31.05,"az":86.0,"t":"2038-09-17T14:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.88,"alt":31.99,"az":86.8,"t":"2038-09-17T14:10:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.84,"alt":32.92,"az":87.6,"t":"2038-09-17T14:15:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.79,"alt":33.86,"az":88.4,"t":"2038-09-17T14:20:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.75,"alt":34.79,"az":89.2,"t":"2038-09-17T14:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.71,"alt":35.73,"az":90.1,"t":"2038-09-17T14:30:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.67,"alt":36.66,"az":90.9,"t":"2038-09-17T14:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.64,"alt":37.6,"az":91.7,"t":"2038-09-17T14:40:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.6,"alt":38.54,"az":92.6,"t":"2038-09-17T14:45:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.57,"alt":39.47,"az":93.5,"t":"2038-09-17T14:50:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.54,"alt":40.4,"az":94.4,"t":"2038-09-17T14:55:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.51,"alt":41.34,"az":95.3,"t":"2038-09-17T15:00:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.48,"alt":42.27,"az":96.2,"t":"2038-09-17T15:05:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.46,"alt":43.2,"az":97.1,"t":"2038-09-17T15:10:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.43,"alt":44.13,"az":98.1,"t":"2038-09-17T15:15:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.41,"alt":45.05,"az":99.0,"t":"2038-09-17T15:20:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.39,"alt":45.97,"az":100.0,"t":"2038-09-17T15:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.37,"alt":46.89,"az":101.0,"t":"2038-09-17T15:30:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.35,"alt":47.81,"az":102.1,"t":"2038-09-17T15:35:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.33,"alt":48.72,"az":103.1,"t":"2038-09-17T15:40:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.31,"alt":49.63,"az":104.2,"t":"2038-09-17T15:45:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.29,"alt":50.54,"az":105.4,"t":"2038-09-17T15:50:00Z","terrain":-0.36},{"above_terrain":true,"airmass":1.28,"alt":51.44,"az":106.5,"t":"2038-09-17T15:55:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.26,"alt":52.33,"az":107.7,"t":"2038-09-17T16:00:00Z","terrain":-0.83},{"above_terrain":true,"airmass":1.25,"alt":53.22,"az":108.9,"t":"2038-09-17T16:05:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.23,"alt":54.1,"az":110.2,"t":"2038-09-17T16:10:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.22,"alt":54.98,"az":111.5,"t":"2038-09-17T16:15:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.21,"alt":55.85,"az":112.8,"t":"2038-09-17T16:20:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.2,"alt":56.7,"az":114.2,"t":"2038-09-17T16:25:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.18,"alt":57.55,"az":115.7,"t":"2038-09-17T16:30:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.17,"alt":58.39,"az":117.2,"t":"2038-09-17T16:35:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.16,"alt":59.22,"az":118.7,"t":"2038-09-17T16:40:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.15,"alt":60.03,"az":120.3,"t":"2038-09-17T16:45:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.14,"alt":60.83,"az":122.0,"t":"2038-09-17T16:50:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.14,"alt":61.62,"az":123.8,"t":"2038-09-17T16:55:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.13,"alt":62.39,"az":125.6,"t":"2038-09-17T17:00:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.12,"alt":63.14,"az":127.5,"t":"2038-09-17T17:05:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.11,"alt":63.87,"az":129.5,"t":"2038-09-17T17:10:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.11,"alt":64.58,"az":131.6,"t":"2038-09-17T17:15:00Z","terrain":-1.66},{"above_terrain":true,"airmass":1.1,"alt":65.27,"az":133.8,"t":"2038-09-17T17:20:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.09,"alt":65.93,"az":136.1,"t":"2038-09-17T17:25:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.09,"alt":66.57,"az":138.5,"t":"2038-09-17T17:30:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.08,"alt":67.17,"az":141.0,"t":"2038-09-17T17:35:00Z","terrain":-1.1},{"above_terrain":true,"airmass":1.08,"alt":67.74,"az":143.6,"t":"2038-09-17T17:40:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.08,"alt":68.28,"az":146.4,"t":"2038-09-17T17:45:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.07,"alt":68.78,"az":149.2,"t":"2038-09-17T17:50:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.07,"alt":69.24,"az":152.2,"t":"2038-09-17T17:55:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.07,"alt":69.65,"az":155.3,"t":"2038-09-17T18:00:00Z","terrain":-1.12},{"above_terrain":true,"airmass":1.06,"alt":70.02,"az":158.4,"t":"2038-09-17T18:05:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.06,"alt":70.34,"az":161.7,"t":"2038-09-17T18:10:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.06,"alt":70.61,"az":165.1,"t":"2038-09-17T18:15:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.06,"alt":70.82,"az":168.5,"t":"2038-09-17T18:20:00Z","terrain":-0.88},{"above_terrain":true,"airmass":1.06,"alt":70.98,"az":172.0,"t":"2038-09-17T18:25:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.06,"alt":71.08,"az":175.5,"t":"2038-09-17T18:30:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.06,"alt":71.13,"az":179.1,"t":"2038-09-17T18:35:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.06,"alt":71.11,"az":182.7,"t":"2038-09-17T18:40:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.06,"alt":71.04,"az":186.2,"t":"2038-09-17T18:45:00Z","terrain":-0.7},{"above_terrain":true,"airmass":1.06,"alt":70.91,"az":189.8,"t":"2038-09-17T18:50:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.06,"alt":70.72,"az":193.2,"t":"2038-09-17T18:55:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.06,"alt":70.48,"az":196.6,"t":"2038-09-17T19:00:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.06,"alt":70.19,"az":200.0,"t":"2038-09-17T19:05:00Z","terrain":-0.25},{"above_terrain":true,"airmass":1.06,"alt":69.84,"az":203.2,"t":"2038-09-17T19:10:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.07,"alt":69.45,"az":206.3,"t":"2038-09-17T19:15:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.07,"alt":69.01,"az":209.3,"t":"2038-09-17T19:20:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.07,"alt":68.53,"az":212.2,"t":"2038-09-17T19:25:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.08,"alt":68.02,"az":215.0,"t":"2038-09-17T19:30:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.08,"alt":67.46,"az":217.7,"t":"2038-09-17T19:35:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.09,"alt":66.87,"az":220.3,"t":"2038-09-17T19:40:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.09,"alt":66.25,"az":222.7,"t":"2038-09-17T19:45:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.1,"alt":65.6,"az":225.0,"t":"2038-09-17T19:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.1,"alt":64.93,"az":227.3,"t":"2038-09-17T19:55:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.11,"alt":64.23,"az":229.4,"t":"2038-09-17T20:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.51,"az":231.5,"t":"2038-09-17T20:05:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.12,"alt":62.77,"az":233.4,"t":"2038-09-17T20:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.13,"alt":62.0,"az":235.3,"t":"2038-09-17T20:15:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.14,"alt":61.23,"az":237.1,"t":"2038-09-17T20:20:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.15,"alt":60.43,"az":238.8,"t":"2038-09-17T20:25:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.16,"alt":59.63,"az":240.5,"t":"2038-09-17T20:30:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.17,"alt":58.8,"az":242.1,"t":"2038-09-17T20:35:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.18,"alt":57.97,"az":243.6,"t":"2038-09-17T20:40:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.19,"alt":57.13,"az":245.1,"t":"2038-09-17T20:45:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.2,"alt":56.27,"az":246.5,"t":"2038-09-17T20:50:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.21,"alt":55.41,"az":247.9,"t":"2038-09-17T20:55:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.23,"alt":54.54,"az":249.2,"t":"2038-09-17T21:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.24,"alt":53.66,"az":250.5,"t":"2038-09-17T21:05:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.25,"alt":52.78,"az":251.7,"t":"2038-09-17T21:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.27,"alt":51.88,"az":252.9,"t":"2038-09-17T21:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.29,"alt":50.99,"az":254.1,"t":"2038-09-17T21:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.3,"alt":50.08,"az":255.2,"t":"2038-09-17T21:25:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.18,"az":256.3,"t":"2038-09-17T21:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.34,"alt":48.27,"az":257.4,"t":"2038-09-17T21:35:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.36,"alt":47.35,"az":258.4,"t":"2038-09-17T21:40:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.38,"alt":46.43,"az":259.5,"t":"2038-09-17T21:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.4,"alt":45.51,"az":260.5,"t":"2038-09-17T21:50:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.42,"alt":44.59,"az":261.4,"t":"2038-09-17T21:55:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.45,"alt":43.66,"az":262.4,"t":"2038-09-17T22:00:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.47,"alt":42.73,"az":263.4,"t":"2038-09-17T22:05:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.5,"alt":41.8,"az":264.3,"t":"2038-09-17T22:10:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.53,"alt":40.87,"az":265.2,"t":"2038-09-17T22:15:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.56,"alt":39.94,"az":266.1,"t":"2038-09-17T22:20:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.59,"alt":39.0,"az":267.0,"t":"2038-09-17T22:25:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.62,"alt":38.07,"az":267.8,"t":"2038-09-17T22:30:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.65,"alt":37.13,"az":268.7,"t":"2038-09-17T22:35:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.69,"alt":36.19,"az":269.5,"t":"2038-09-17T22:40:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.73,"alt":35.26,"az":270.4,"t":"2038-09-17T22:45:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.77,"alt":34.32,"az":271.2,"t":"2038-09-17T22:50:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.81,"alt":33.39,"az":272.0,"t":"2038-09-17T22:55:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.86,"alt":32.45,"az":272.8,"t":"2038-09-17T23:00:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.91,"alt":31.52,"az":273.6,"t":"2038-09-17T23:05:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.96,"alt":30.58,"az":274.4,"t":"2038-09-17T23:10:00Z","terrain":0.02},{"above_terrain":true,"airmass":2.02,"alt":29.65,"az":275.2,"t":"2038-09-17T23:15:00Z","terrain":0.07},{"above_terrain":true,"airmass":2.07,"alt":28.72,"az":276.0,"t":"2038-09-17T23:20:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.14,"alt":27.79,"az":276.8,"t":"2038-09-17T23:25:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.21,"alt":26.86,"az":277.5,"t":"2038-09-17T23:30:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.28,"alt":25.93,"az":278.3,"t":"2038-09-17T23:35:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.36,"alt":25.01,"az":279.1,"t":"2038-09-17T23:40:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.44,"alt":24.09,"az":279.8,"t":"2038-09-17T23:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.53,"alt":23.16,"az":280.6,"t":"2038-09-17T23:50:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.63,"alt":22.25,"az":281.4,"t":"2038-09-17T23:55:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.73,"alt":21.33,"az":282.1,"t":"2038-09-18T00:00:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.85,"alt":20.42,"az":282.9,"t":"2038-09-18T00:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.97,"alt":19.5,"az":283.6,"t":"2038-09-18T00:10:00Z","terrain":0.07},{"above_terrain":true,"airmass":3.11,"alt":18.6,"az":284.4,"t":"2038-09-18T00:15:00Z","terrain":0.16},{"above_terrain":true,"airmass":3.26,"alt":17.69,"az":285.1,"t":"2038-09-18T00:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.43,"alt":16.79,"az":285.9,"t":"2038-09-18T00:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.61,"alt":15.89,"az":286.6,"t":"2038-09-18T00:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.81,"alt":15.0,"az":287.4,"t":"2038-09-18T00:35:00Z","terrain":0.29},{"above_terrain":true,"airmass":4.04,"alt":14.1,"az":288.2,"t":"2038-09-18T00:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":4.3,"alt":13.22,"az":288.9,"t":"2038-09-18T00:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":4.59,"alt":12.33,"az":289.7,"t":"2038-09-18T00:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.92,"alt":11.46,"az":290.5,"t":"2038-09-18T00:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":5.3,"alt":10.58,"az":291.2,"t":"2038-09-18T01:00:00Z","terrain":0.5},{"above_terrain":true,"airmass":5.74,"alt":9.71,"az":292.0,"t":"2038-09-18T01:05:00Z","terrain":0.55},{"above_terrain":true,"airmass":6.26,"alt":8.84,"az":292.8,"t":"2038-09-18T01:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":6.87,"alt":7.98,"az":293.5,"t":"2038-09-18T01:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":7.6,"alt":7.13,"az":294.3,"t":"2038-09-18T01:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":8.5,"alt":6.28,"az":295.1,"t":"2038-09-18T01:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":9.62,"alt":5.43,"az":295.9,"t":"2038-09-18T01:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":11.04,"alt":4.59,"az":296.7,"t":"2038-09-18T01:35:00Z","terrain":0.28},{"above_terrain":true,"airmass":12.89,"alt":3.76,"az":297.5,"t":"2038-09-18T01:40:00Z","terrain":0.19},{"above_terrain":true,"airmass":15.37,"alt":2.93,"az":298.3,"t":"2038-09-18T01:45:00Z","terrain":0.14},{"above_terrain":true,"airmass":18.84,"alt":2.11,"az":299.1,"t":"2038-09-18T01:50:00Z","terrain":0.2},{"above_terrain":true,"airmass":23.87,"alt":1.3,"az":300.0,"t":"2038-09-18T01:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":31.44,"alt":0.49,"az":300.8,"t":"2038-09-18T02:00:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-0.31,"az":301.6,"t":"2038-09-18T02:05:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-1.1,"az":302.5,"t":"2038-09-18T02:10:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-1.89,"az":303.3,"t":"2038-09-18T02:15:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-2.67,"az":304.2,"t":"2038-09-18T02:20:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-3.44,"az":305.0,"t":"2038-09-18T02:25:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-4.2,"az":305.9,"t":"2038-09-18T02:30:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-4.95,"az":306.8,"t":"2038-09-18T02:35:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-5.7,"az":307.7,"t":"2038-09-18T02:40:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-6.44,"az":308.5,"t":"2038-09-18T02:45:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-7.16,"az":309.5,"t":"2038-09-18T02:50:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-7.88,"az":310.4,"t":"2038-09-18T02:55:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-8.59,"az":311.3,"t":"2038-09-18T03:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-9.29,"az":312.2,"t":"2038-09-18T03:05:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-9.98,"az":313.2,"t":"2038-09-18T03:10:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-10.65,"az":314.1,"t":"2038-09-18T03:15:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-11.32,"az":315.1,"t":"2038-09-18T03:20:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-11.97,"az":316.0,"t":"2038-09-18T03:25:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-12.62,"az":317.0,"t":"2038-09-18T03:30:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-13.25,"az":318.0,"t":"2038-09-18T03:35:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-13.87,"az":319.0,"t":"2038-09-18T03:40:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-14.48,"az":320.0,"t":"2038-09-18T03:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.07,"az":321.1,"t":"2038-09-18T03:50:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-15.65,"az":322.1,"t":"2038-09-18T03:55:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-16.22,"az":323.1,"t":"2038-09-18T04:00:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-16.78,"az":324.2,"t":"2038-09-18T04:05:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-17.32,"az":325.3,"t":"2038-09-18T04:10:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-17.84,"az":326.3,"t":"2038-09-18T04:15:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-18.35,"az":327.4,"t":"2038-09-18T04:20:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-18.85,"az":328.5,"t":"2038-09-18T04:25:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-19.33,"az":329.6,"t":"2038-09-18T04:30:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-19.8,"az":330.8,"t":"2038-09-18T04:35:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-20.25,"az":331.9,"t":"2038-09-18T04:40:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-20.68,"az":333.0,"t":"2038-09-18T04:45:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-21.09,"az":334.2,"t":"2038-09-18T04:50:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-21.49,"az":335.4,"t":"2038-09-18T04:55:00Z","terrain":-0.68},{"above_terrain":false,"airmass":null,"alt":-21.87,"az":336.5,"t":"2038-09-18T05:00:00Z","terrain":-0.78},{"above_terrain":false,"airmass":null,"alt":-22.24,"az":337.7,"t":"2038-09-18T05:05:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-22.58,"az":338.9,"t":"2038-09-18T05:10:00Z","terrain":-0.72},{"above_terrain":false,"airmass":null,"alt":-22.91,"az":340.1,"t":"2038-09-18T05:15:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-23.22,"az":341.3,"t":"2038-09-18T05:20:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-23.51,"az":342.5,"t":"2038-09-18T05:25:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-23.78,"az":343.8,"t":"2038-09-18T05:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-24.03,"az":345.0,"t":"2038-09-18T05:35:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-24.27,"az":346.2,"t":"2038-09-18T05:40:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-24.48,"az":347.5,"t":"2038-09-18T05:45:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-24.67,"az":348.7,"t":"2038-09-18T05:50:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-24.85,"az":350.0,"t":"2038-09-18T05:55:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-25.0,"az":351.3,"t":"2038-09-18T06:00:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-25.13,"az":352.5,"t":"2038-09-18T06:05:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-25.24,"az":353.8,"t":"2038-09-18T06:10:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-25.33,"az":355.1,"t":"2038-09-18T06:15:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-25.4,"az":356.3,"t":"2038-09-18T06:20:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-25.45,"az":357.6,"t":"2038-09-18T06:25:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-25.48,"az":358.9,"t":"2038-09-18T06:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-25.49,"az":0.2,"t":"2038-09-18T06:35:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-25.47,"az":1.5,"t":"2038-09-18T06:40:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-25.44,"az":2.7,"t":"2038-09-18T06:45:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-25.38,"az":4.0,"t":"2038-09-18T06:50:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-25.31,"az":5.3,"t":"2038-09-18T06:55:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-25.21,"az":6.6,"t":"2038-09-18T07:00:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-25.09,"az":7.8,"t":"2038-09-18T07:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-24.96,"az":9.1,"t":"2038-09-18T07:10:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-24.8,"az":10.4,"t":"2038-09-18T07:15:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-24.62,"az":11.6,"t":"2038-09-18T07:20:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-24.42,"az":12.9,"t":"2038-09-18T07:25:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-24.2,"az":14.1,"t":"2038-09-18T07:30:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-23.96,"az":15.4,"t":"2038-09-18T07:35:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-23.71,"az":16.6,"t":"2038-09-18T07:40:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-23.43,"az":17.8,"t":"2038-09-18T07:45:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-23.13,"az":19.0,"t":"2038-09-18T07:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-22.82,"az":20.2,"t":"2038-09-18T07:55:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-22.49,"az":21.4,"t":"2038-09-18T08:00:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-22.14,"az":22.6,"t":"2038-09-18T08:05:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-21.77,"az":23.8,"t":"2038-09-18T08:10:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-21.38,"az":25.0,"t":"2038-09-18T08:15:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-20.98,"az":26.1,"t":"2038-09-18T08:20:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-20.56,"az":27.3,"t":"2038-09-18T08:25:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-20.12,"az":28.4,"t":"2038-09-18T08:30:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-19.66,"az":29.6,"t":"2038-09-18T08:35:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-19.19,"az":30.7,"t":"2038-09-18T08:40:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-18.71,"az":31.8,"t":"2038-09-18T08:45:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-18.21,"az":32.9,"t":"2038-09-18T08:50:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-17.69,"az":34.0,"t":"2038-09-18T08:55:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-17.16,"az":35.0,"t":"2038-09-18T09:00:00Z","terrain":0.05}],"transit":{"airmass":1.06,"alt":71.1,"az":179.1,"t":"2038-09-17T18:35:00Z"},"usable_hours":6.08,"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."]}