{"assessment":{"best_window":{"end":"2043-05-08T23:40Z","end_local":"02:40","hours":4.33,"label":"good","mean_quality":0.87,"start":"2043-05-08T19:20Z","start_local":"22:20"},"cost":{"altitude":2.5,"clouds":0.0,"darkness":1.33,"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":43,"cloud":null,"high":null,"iso":"2043-05-08T18:00Z","label":"poor","low":null,"mid":null,"moon_alt":-11,"precip":null,"q":0.13,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2043-05-08T19:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.46,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2043-05-08T20:00Z","label":"good","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.93,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2043-05-08T21:00Z","label":"good","low":null,"mid":null,"moon_alt":-29,"precip":null,"q":0.91,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":40,"cloud":null,"high":null,"iso":"2043-05-08T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-30,"precip":null,"q":0.87,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":31,"cloud":null,"high":null,"iso":"2043-05-08T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-28,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":21,"cloud":null,"high":null,"iso":"2043-05-09T00:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-24,"precip":null,"q":0.43,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":10,"cloud":null,"high":null,"iso":"2043-05-09T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-17,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2043-05-09T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-9,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null},{"alt":-13,"cloud":null,"high":null,"iso":"2043-05-09T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":0,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.93,"peak_sky":0.93,"quality_hours":4.36,"reasons":["the target being low or below 20\u00b0 cost 2.5 quality-hours","daylight and twilight cost 1.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":93,"score_weather":null,"sky_hours":4.36,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2043-05-08T18:00Z","end_local":"21:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2043-05-08T17:25Z","start_local":"20:25"},{"end":"2043-05-08T18:40Z","end_local":"21:40","hours":0.67,"label":"poor","mean_quality":0.14,"start":"2043-05-08T18:00Z","start_local":"21:00"},{"end":"2043-05-08T19:20Z","end_local":"22:20","hours":0.67,"label":"marginal","mean_quality":0.46,"start":"2043-05-08T18:40Z","start_local":"21:40"},{"end":"2043-05-08T23:40Z","end_local":"02:40","hours":4.33,"label":"good","mean_quality":0.87,"start":"2043-05-08T19:20Z","start_local":"22:20"},{"end":"2043-05-09T00:05Z","end_local":"03:05","hours":0.42,"label":"marginal","mean_quality":0.5,"start":"2043-05-08T23:40Z","start_local":"02:40"},{"end":"2043-05-09T03:10Z","end_local":"06:10","hours":3.08,"label":"unusable","mean_quality":0.0,"start":"2043-05-09T00:05Z","start_local":"03:05"}]},"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":"2043-05-08T19:18:16Z","dark_hours":5.97,"dark_to":"2043-05-09T01:16:23Z","moon":{"illumination":0.001,"phase":"new moon","waxing":false},"moon_free_dark_hours":5.95,"moonrise":"2043-05-09T03:01:34Z","moonset":"2043-05-08T16:50:19Z","sunrise":"2043-05-09T03:08:11Z","sunset":"2043-05-08T17:26:27Z","twilight":{"astronomical":{"end":"2043-05-08T19:18:16Z","start":"2043-05-09T01:16:23Z"},"civil":{"end":"2043-05-08T17:57:29Z","start":"2043-05-09T02:37:09Z"},"nautical":{"end":"2043-05-08T18:35:50Z","start":"2043-05-09T01:58:49Z"}},"window_end":"2043-05-09T09:00:00Z","window_start":"2043-05-08T09:00:00Z"},"night_date":"2043-05-08","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.3,"alt":50.1,"t":"2043-05-08T19:45:00Z"},"dec":2.05238823,"dec_of_date":1.8132,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":3.83,"limit_rise":"2043-05-08T15:28:49Z","limit_set":"2043-05-09T00:03:38Z","max_az_rate_deg_per_min":0.0,"moon_separation":139.9,"never_rises":false,"ra":187.27791594,"ra_of_date":187.8323,"ra_str":"12h 29m 06.7s","resolved":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83},"summary":"3.8 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2043-05-09T01:49:31Z","blocked_dark_hours":0,"clears_at":"2043-05-08T13:40:43Z","rise_az":88.3},"track":[{"above_terrain":false,"airmass":null,"alt":-43.53,"az":25.2,"t":"2043-05-08T09:00:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-43.12,"az":26.8,"t":"2043-05-08T09:05:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-42.69,"az":28.4,"t":"2043-05-08T09:10:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-42.23,"az":30.0,"t":"2043-05-08T09:15:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-41.75,"az":31.6,"t":"2043-05-08T09:20:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-41.25,"az":33.1,"t":"2043-05-08T09:25:00Z","terrain":0.92},{"above_terrain":false,"airmass":null,"alt":-40.73,"az":34.6,"t":"2043-05-08T09:30:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-40.19,"az":36.1,"t":"2043-05-08T09:35:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-39.63,"az":37.6,"t":"2043-05-08T09:40:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-39.05,"az":39.0,"t":"2043-05-08T09:45:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-38.45,"az":40.4,"t":"2043-05-08T09:50:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-37.83,"az":41.8,"t":"2043-05-08T09:55:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-37.2,"az":43.2,"t":"2043-05-08T10:00:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-36.55,"az":44.5,"t":"2043-05-08T10:05:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-35.89,"az":45.8,"t":"2043-05-08T10:10:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-35.21,"az":47.1,"t":"2043-05-08T10:15:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-34.52,"az":48.4,"t":"2043-05-08T10:20:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-33.81,"az":49.6,"t":"2043-05-08T10:25:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-33.09,"az":50.9,"t":"2043-05-08T10:30:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-32.36,"az":52.1,"t":"2043-05-08T10:35:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-31.61,"az":53.3,"t":"2043-05-08T10:40:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-30.86,"az":54.4,"t":"2043-05-08T10:45:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-30.09,"az":55.6,"t":"2043-05-08T10:50:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-29.31,"az":56.7,"t":"2043-05-08T10:55:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-28.53,"az":57.8,"t":"2043-05-08T11:00:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-27.73,"az":58.9,"t":"2043-05-08T11:05:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-26.92,"az":60.0,"t":"2043-05-08T11:10:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-26.11,"az":61.1,"t":"2043-05-08T11:15:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-25.29,"az":62.1,"t":"2043-05-08T11:20:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-24.45,"az":63.2,"t":"2043-05-08T11:25:00Z","terrain":0.89},{"above_terrain":false,"airmass":null,"alt":-23.62,"az":64.2,"t":"2043-05-08T11:30:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.77,"az":65.2,"t":"2043-05-08T11:35:00Z","terrain":0.78},{"above_terrain":false,"airmass":null,"alt":-21.92,"az":66.2,"t":"2043-05-08T11:40:00Z","terrain":0.85},{"above_terrain":false,"airmass":null,"alt":-21.06,"az":67.1,"t":"2043-05-08T11:45:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-20.19,"az":68.1,"t":"2043-05-08T11:50:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-19.32,"az":69.1,"t":"2043-05-08T11:55:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-18.44,"az":70.0,"t":"2043-05-08T12:00:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-17.56,"az":71.0,"t":"2043-05-08T12:05:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-16.67,"az":71.9,"t":"2043-05-08T12:10:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-15.78,"az":72.8,"t":"2043-05-08T12:15:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-14.89,"az":73.7,"t":"2043-05-08T12:20:00Z","terrain":0.81},{"above_terrain":false,"airmass":null,"alt":-13.99,"az":74.6,"t":"2043-05-08T12:25:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-13.08,"az":75.5,"t":"2043-05-08T12:30:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-12.17,"az":76.4,"t":"2043-05-08T12:35:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-11.26,"az":77.3,"t":"2043-05-08T12:40:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-10.35,"az":78.1,"t":"2043-05-08T12:45:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.43,"az":79.0,"t":"2043-05-08T12:50:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-8.51,"az":79.9,"t":"2043-05-08T12:55:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-7.59,"az":80.7,"t":"2043-05-08T13:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.66,"az":81.6,"t":"2043-05-08T13:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-5.74,"az":82.4,"t":"2043-05-08T13:10:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-4.81,"az":83.3,"t":"2043-05-08T13:15:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":84.1,"t":"2043-05-08T13:20:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-2.95,"az":84.9,"t":"2043-05-08T13:25:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-2.01,"az":85.8,"t":"2043-05-08T13:30:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-1.08,"az":86.6,"t":"2043-05-08T13:35:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-0.14,"az":87.4,"t":"2043-05-08T13:40:00Z","terrain":0.01},{"above_terrain":true,"airmass":28.26,"alt":0.79,"az":88.3,"t":"2043-05-08T13:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":20.99,"alt":1.73,"az":89.1,"t":"2043-05-08T13:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":16.39,"alt":2.66,"az":89.9,"t":"2043-05-08T13:55:00Z","terrain":-0.22},{"above_terrain":true,"airmass":13.32,"alt":3.6,"az":90.8,"t":"2043-05-08T14:00:00Z","terrain":-0.12},{"above_terrain":true,"airmass":11.15,"alt":4.53,"az":91.6,"t":"2043-05-08T14:05:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.57,"alt":5.47,"az":92.4,"t":"2043-05-08T14:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":8.36,"alt":6.4,"az":93.3,"t":"2043-05-08T14:15:00Z","terrain":0.35},{"above_terrain":true,"airmass":7.41,"alt":7.34,"az":94.1,"t":"2043-05-08T14:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":6.65,"alt":8.27,"az":95.0,"t":"2043-05-08T14:25:00Z","terrain":0.38},{"above_terrain":true,"airmass":6.03,"alt":9.2,"az":95.8,"t":"2043-05-08T14:30:00Z","terrain":0.52},{"above_terrain":true,"airmass":5.52,"alt":10.13,"az":96.7,"t":"2043-05-08T14:35:00Z","terrain":0.67},{"above_terrain":true,"airmass":5.08,"alt":11.06,"az":97.5,"t":"2043-05-08T14:40:00Z","terrain":0.7},{"above_terrain":true,"airmass":4.71,"alt":11.99,"az":98.4,"t":"2043-05-08T14:45:00Z","terrain":0.6},{"above_terrain":true,"airmass":4.39,"alt":12.91,"az":99.3,"t":"2043-05-08T14:50:00Z","terrain":0.43},{"above_terrain":true,"airmass":4.12,"alt":13.84,"az":100.1,"t":"2043-05-08T14:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.87,"alt":14.76,"az":101.0,"t":"2043-05-08T15:00:00Z","terrain":0.08},{"above_terrain":true,"airmass":3.66,"alt":15.67,"az":101.9,"t":"2043-05-08T15:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":3.47,"alt":16.59,"az":102.8,"t":"2043-05-08T15:10:00Z","terrain":-0.18},{"above_terrain":true,"airmass":3.29,"alt":17.5,"az":103.7,"t":"2043-05-08T15:15:00Z","terrain":-0.06},{"above_terrain":true,"airmass":3.14,"alt":18.41,"az":104.6,"t":"2043-05-08T15:20:00Z","terrain":-0.12},{"above_terrain":true,"airmass":3.0,"alt":19.31,"az":105.5,"t":"2043-05-08T15:25:00Z","terrain":-0.42},{"above_terrain":true,"airmass":2.87,"alt":20.21,"az":106.4,"t":"2043-05-08T15:30:00Z","terrain":-0.63},{"above_terrain":true,"airmass":2.76,"alt":21.11,"az":107.4,"t":"2043-05-08T15:35:00Z","terrain":-0.73},{"above_terrain":true,"airmass":2.65,"alt":22.0,"az":108.3,"t":"2043-05-08T15:40:00Z","terrain":-1.01},{"above_terrain":true,"airmass":2.56,"alt":22.88,"az":109.3,"t":"2043-05-08T15:45:00Z","terrain":-1.18},{"above_terrain":true,"airmass":2.47,"alt":23.76,"az":110.2,"t":"2043-05-08T15:50:00Z","terrain":-1.19},{"above_terrain":true,"airmass":2.39,"alt":24.64,"az":111.2,"t":"2043-05-08T15:55:00Z","terrain":-1.34},{"above_terrain":true,"airmass":2.31,"alt":25.51,"az":112.2,"t":"2043-05-08T16:00:00Z","terrain":-1.39},{"above_terrain":true,"airmass":2.24,"alt":26.37,"az":113.2,"t":"2043-05-08T16:05:00Z","terrain":-1.48},{"above_terrain":true,"airmass":2.18,"alt":27.23,"az":114.2,"t":"2043-05-08T16:10:00Z","terrain":-1.59},{"above_terrain":true,"airmass":2.12,"alt":28.08,"az":115.3,"t":"2043-05-08T16:15:00Z","terrain":-1.5},{"above_terrain":true,"airmass":2.06,"alt":28.92,"az":116.3,"t":"2043-05-08T16:20:00Z","terrain":-1.52},{"above_terrain":true,"airmass":2.01,"alt":29.76,"az":117.4,"t":"2043-05-08T16:25:00Z","terrain":-1.54},{"above_terrain":true,"airmass":1.96,"alt":30.58,"az":118.5,"t":"2043-05-08T16:30:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.91,"alt":31.4,"az":119.6,"t":"2043-05-08T16:35:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.87,"alt":32.21,"az":120.7,"t":"2043-05-08T16:40:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.83,"alt":33.01,"az":121.9,"t":"2043-05-08T16:45:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.79,"alt":33.8,"az":123.0,"t":"2043-05-08T16:50:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.76,"alt":34.58,"az":124.2,"t":"2043-05-08T16:55:00Z","terrain":-1.52},{"above_terrain":true,"airmass":1.73,"alt":35.35,"az":125.4,"t":"2043-05-08T17:00:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.69,"alt":36.1,"az":126.7,"t":"2043-05-08T17:05:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.66,"alt":36.85,"az":127.9,"t":"2043-05-08T17:10:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.64,"alt":37.58,"az":129.2,"t":"2043-05-08T17:15:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.61,"alt":38.3,"az":130.5,"t":"2043-05-08T17:20:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.59,"alt":39.0,"az":131.8,"t":"2043-05-08T17:25:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.56,"alt":39.69,"az":133.2,"t":"2043-05-08T17:30:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.54,"alt":40.37,"az":134.6,"t":"2043-05-08T17:35:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.52,"alt":41.03,"az":136.0,"t":"2043-05-08T17:40:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.5,"alt":41.67,"az":137.4,"t":"2043-05-08T17:45:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.48,"alt":42.29,"az":138.9,"t":"2043-05-08T17:50:00Z","terrain":-1.3},{"above_terrain":true,"airmass":1.47,"alt":42.9,"az":140.3,"t":"2043-05-08T17:55:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.45,"alt":43.49,"az":141.9,"t":"2043-05-08T18:00:00Z","terrain":-1.29},{"above_terrain":true,"airmass":1.44,"alt":44.06,"az":143.4,"t":"2043-05-08T18:05:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.42,"alt":44.6,"az":145.0,"t":"2043-05-08T18:10:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.41,"alt":45.13,"az":146.6,"t":"2043-05-08T18:15:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.4,"alt":45.63,"az":148.2,"t":"2043-05-08T18:20:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.39,"alt":46.12,"az":149.9,"t":"2043-05-08T18:25:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.38,"alt":46.57,"az":151.6,"t":"2043-05-08T18:30:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.37,"alt":47.01,"az":153.3,"t":"2043-05-08T18:35:00Z","terrain":-0.95},{"above_terrain":true,"airmass":1.36,"alt":47.41,"az":155.0,"t":"2043-05-08T18:40:00Z","terrain":-1.09},{"above_terrain":true,"airmass":1.35,"alt":47.8,"az":156.8,"t":"2043-05-08T18:45:00Z","terrain":-1.12},{"above_terrain":true,"airmass":1.34,"alt":48.15,"az":158.6,"t":"2043-05-08T18:50:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.33,"alt":48.48,"az":160.4,"t":"2043-05-08T18:55:00Z","terrain":-1.01},{"above_terrain":true,"airmass":1.33,"alt":48.78,"az":162.3,"t":"2043-05-08T19:00:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.32,"alt":49.05,"az":164.1,"t":"2043-05-08T19:05:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.32,"alt":49.29,"az":166.0,"t":"2043-05-08T19:10:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.31,"alt":49.5,"az":167.9,"t":"2043-05-08T19:15:00Z","terrain":-0.97},{"above_terrain":true,"airmass":1.31,"alt":49.68,"az":169.8,"t":"2043-05-08T19:20:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.31,"alt":49.83,"az":171.7,"t":"2043-05-08T19:25:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.31,"alt":49.95,"az":173.7,"t":"2043-05-08T19:30:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.3,"alt":50.04,"az":175.6,"t":"2043-05-08T19:35:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.3,"alt":50.1,"az":177.6,"t":"2043-05-08T19:40:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.3,"alt":50.12,"az":179.5,"t":"2043-05-08T19:45:00Z","terrain":-0.49},{"above_terrain":true,"airmass":1.3,"alt":50.11,"az":181.5,"t":"2043-05-08T19:50:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.3,"alt":50.07,"az":183.4,"t":"2043-05-08T19:55:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.3,"alt":50.0,"az":185.4,"t":"2043-05-08T20:00:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.31,"alt":49.9,"az":187.3,"t":"2043-05-08T20:05:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.31,"alt":49.76,"az":189.2,"t":"2043-05-08T20:10:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.31,"alt":49.6,"az":191.2,"t":"2043-05-08T20:15:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.32,"alt":49.4,"az":193.1,"t":"2043-05-08T20:20:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.32,"alt":49.17,"az":195.0,"t":"2043-05-08T20:25:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.33,"alt":48.92,"az":196.8,"t":"2043-05-08T20:30:00Z","terrain":-0.47},{"above_terrain":true,"airmass":1.33,"alt":48.63,"az":198.7,"t":"2043-05-08T20:35:00Z","terrain":-0.34},{"above_terrain":true,"airmass":1.34,"alt":48.32,"az":200.5,"t":"2043-05-08T20:40:00Z","terrain":-0.39},{"above_terrain":true,"airmass":1.34,"alt":47.98,"az":202.3,"t":"2043-05-08T20:45:00Z","terrain":-0.54},{"above_terrain":true,"airmass":1.35,"alt":47.61,"az":204.1,"t":"2043-05-08T20:50:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.36,"alt":47.21,"az":205.9,"t":"2043-05-08T20:55:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.37,"alt":46.79,"az":207.6,"t":"2043-05-08T21:00:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.38,"alt":46.34,"az":209.3,"t":"2043-05-08T21:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.39,"alt":45.88,"az":211.0,"t":"2043-05-08T21:10:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.4,"alt":45.38,"az":212.6,"t":"2043-05-08T21:15:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.42,"alt":44.87,"az":214.2,"t":"2043-05-08T21:20:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.43,"alt":44.33,"az":215.8,"t":"2043-05-08T21:25:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.44,"alt":43.77,"az":217.4,"t":"2043-05-08T21:30:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.46,"alt":43.19,"az":218.9,"t":"2043-05-08T21:35:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.48,"alt":42.6,"az":220.4,"t":"2043-05-08T21:40:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.49,"alt":41.98,"az":221.9,"t":"2043-05-08T21:45:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.51,"alt":41.35,"az":223.3,"t":"2043-05-08T21:50:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.53,"alt":40.7,"az":224.8,"t":"2043-05-08T21:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.55,"alt":40.03,"az":226.1,"t":"2043-05-08T22:00:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.57,"alt":39.35,"az":227.5,"t":"2043-05-08T22:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.6,"alt":38.65,"az":228.8,"t":"2043-05-08T22:10:00Z","terrain":1.28},{"above_terrain":true,"airmass":1.62,"alt":37.94,"az":230.2,"t":"2043-05-08T22:15:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.65,"alt":37.21,"az":231.4,"t":"2043-05-08T22:20:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.68,"alt":36.47,"az":232.7,"t":"2043-05-08T22:25:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.71,"alt":35.72,"az":234.0,"t":"2043-05-08T22:30:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.74,"alt":34.96,"az":235.2,"t":"2043-05-08T22:35:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.78,"alt":34.19,"az":236.4,"t":"2043-05-08T22:40:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.81,"alt":33.4,"az":237.5,"t":"2043-05-08T22:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.85,"alt":32.61,"az":238.7,"t":"2043-05-08T22:50:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.89,"alt":31.8,"az":239.8,"t":"2043-05-08T22:55:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.94,"alt":30.99,"az":241.0,"t":"2043-05-08T23:00:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.98,"alt":30.17,"az":242.0,"t":"2043-05-08T23:05:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.04,"alt":29.34,"az":243.1,"t":"2043-05-08T23:10:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.09,"alt":28.5,"az":244.2,"t":"2043-05-08T23:15:00Z","terrain":0.95},{"above_terrain":true,"airmass":2.15,"alt":27.65,"az":245.2,"t":"2043-05-08T23:20:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.21,"alt":26.8,"az":246.3,"t":"2043-05-08T23:25:00Z","terrain":1.14},{"above_terrain":true,"airmass":2.28,"alt":25.94,"az":247.3,"t":"2043-05-08T23:30:00Z","terrain":0.89},{"above_terrain":true,"airmass":2.35,"alt":25.07,"az":248.3,"t":"2043-05-08T23:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.43,"alt":24.2,"az":249.3,"t":"2043-05-08T23:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.51,"alt":23.32,"az":250.3,"t":"2043-05-08T23:45:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.61,"alt":22.44,"az":251.2,"t":"2043-05-08T23:50:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.71,"alt":21.55,"az":252.2,"t":"2043-05-08T23:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.82,"alt":20.65,"az":253.1,"t":"2043-05-09T00:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.94,"alt":19.76,"az":254.0,"t":"2043-05-09T00:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.07,"alt":18.85,"az":255.0,"t":"2043-05-09T00:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.22,"alt":17.95,"az":255.9,"t":"2043-05-09T00:15:00Z","terrain":0.37},{"above_terrain":true,"airmass":3.38,"alt":17.04,"az":256.8,"t":"2043-05-09T00:20:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.56,"alt":16.13,"az":257.7,"t":"2043-05-09T00:25:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.76,"alt":15.21,"az":258.6,"t":"2043-05-09T00:30:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.99,"alt":14.29,"az":259.4,"t":"2043-05-09T00:35:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.25,"alt":13.37,"az":260.3,"t":"2043-05-09T00:40:00Z","terrain":0.65},{"above_terrain":true,"airmass":4.55,"alt":12.45,"az":261.2,"t":"2043-05-09T00:45:00Z","terrain":0.87},{"above_terrain":true,"airmass":4.89,"alt":11.52,"az":262.0,"t":"2043-05-09T00:50:00Z","terrain":0.97},{"above_terrain":true,"airmass":5.29,"alt":10.59,"az":262.9,"t":"2043-05-09T00:55:00Z","terrain":0.83},{"above_terrain":true,"airmass":5.77,"alt":9.66,"az":263.8,"t":"2043-05-09T01:00:00Z","terrain":0.59},{"above_terrain":true,"airmass":6.33,"alt":8.73,"az":264.6,"t":"2043-05-09T01:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":7.02,"alt":7.8,"az":265.5,"t":"2043-05-09T01:10:00Z","terrain":0.43},{"above_terrain":true,"airmass":7.86,"alt":6.87,"az":266.3,"t":"2043-05-09T01:15:00Z","terrain":0.5},{"above_terrain":true,"airmass":8.93,"alt":5.93,"az":267.1,"t":"2043-05-09T01:20:00Z","terrain":0.58},{"above_terrain":true,"airmass":10.31,"alt":5.0,"az":268.0,"t":"2043-05-09T01:25:00Z","terrain":0.65},{"above_terrain":true,"airmass":12.16,"alt":4.06,"az":268.8,"t":"2043-05-09T01:30:00Z","terrain":0.73},{"above_terrain":true,"airmass":14.73,"alt":3.12,"az":269.6,"t":"2043-05-09T01:35:00Z","terrain":0.85},{"above_terrain":true,"airmass":18.47,"alt":2.19,"az":270.5,"t":"2043-05-09T01:40:00Z","terrain":0.84},{"above_terrain":true,"airmass":24.23,"alt":1.25,"az":271.3,"t":"2043-05-09T01:45:00Z","terrain":0.67},{"above_terrain":false,"airmass":33.55,"alt":0.32,"az":272.1,"t":"2043-05-09T01:50:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-0.62,"az":273.0,"t":"2043-05-09T01:55:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-1.55,"az":273.8,"t":"2043-05-09T02:00:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-2.49,"az":274.7,"t":"2043-05-09T02:05:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-3.42,"az":275.5,"t":"2043-05-09T02:10:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-4.35,"az":276.3,"t":"2043-05-09T02:15:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-5.28,"az":277.2,"t":"2043-05-09T02:20:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-6.21,"az":278.0,"t":"2043-05-09T02:25:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-7.13,"az":278.9,"t":"2043-05-09T02:30:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-8.06,"az":279.7,"t":"2043-05-09T02:35:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-8.98,"az":280.6,"t":"2043-05-09T02:40:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-9.9,"az":281.4,"t":"2043-05-09T02:45:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-10.81,"az":282.3,"t":"2043-05-09T02:50:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-11.72,"az":283.2,"t":"2043-05-09T02:55:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-12.63,"az":284.1,"t":"2043-05-09T03:00:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-13.54,"az":285.0,"t":"2043-05-09T03:05:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-14.44,"az":285.9,"t":"2043-05-09T03:10:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-15.34,"az":286.8,"t":"2043-05-09T03:15:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-16.23,"az":287.7,"t":"2043-05-09T03:20:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-17.12,"az":288.6,"t":"2043-05-09T03:25:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-18.01,"az":289.5,"t":"2043-05-09T03:30:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-18.89,"az":290.5,"t":"2043-05-09T03:35:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-19.76,"az":291.4,"t":"2043-05-09T03:40:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-20.63,"az":292.4,"t":"2043-05-09T03:45:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-21.49,"az":293.3,"t":"2043-05-09T03:50:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-22.35,"az":294.3,"t":"2043-05-09T03:55:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-23.2,"az":295.3,"t":"2043-05-09T04:00:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-24.04,"az":296.3,"t":"2043-05-09T04:05:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-24.88,"az":297.4,"t":"2043-05-09T04:10:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-25.7,"az":298.4,"t":"2043-05-09T04:15:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-26.52,"az":299.5,"t":"2043-05-09T04:20:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-27.33,"az":300.5,"t":"2043-05-09T04:25:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-28.13,"az":301.6,"t":"2043-05-09T04:30:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-28.93,"az":302.7,"t":"2043-05-09T04:35:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-29.71,"az":303.9,"t":"2043-05-09T04:40:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-30.48,"az":305.0,"t":"2043-05-09T04:45:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-31.24,"az":306.2,"t":"2043-05-09T04:50:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-31.99,"az":307.3,"t":"2043-05-09T04:55:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-32.73,"az":308.5,"t":"2043-05-09T05:00:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-33.46,"az":309.7,"t":"2043-05-09T05:05:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-34.17,"az":311.0,"t":"2043-05-09T05:10:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-34.87,"az":312.2,"t":"2043-05-09T05:15:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-35.56,"az":313.5,"t":"2043-05-09T05:20:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-36.23,"az":314.8,"t":"2043-05-09T05:25:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-36.88,"az":316.2,"t":"2043-05-09T05:30:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-37.52,"az":317.5,"t":"2043-05-09T05:35:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-38.15,"az":318.9,"t":"2043-05-09T05:40:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-38.75,"az":320.3,"t":"2043-05-09T05:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-39.34,"az":321.7,"t":"2043-05-09T05:50:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-39.91,"az":323.2,"t":"2043-05-09T05:55:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-40.46,"az":324.6,"t":"2043-05-09T06:00:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-41.0,"az":326.1,"t":"2043-05-09T06:05:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-41.51,"az":327.7,"t":"2043-05-09T06:10:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-42.0,"az":329.2,"t":"2043-05-09T06:15:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-42.47,"az":330.8,"t":"2043-05-09T06:20:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-42.91,"az":332.4,"t":"2043-05-09T06:25:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-43.33,"az":334.0,"t":"2043-05-09T06:30:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-43.73,"az":335.6,"t":"2043-05-09T06:35:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-44.11,"az":337.3,"t":"2043-05-09T06:40:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-44.45,"az":339.0,"t":"2043-05-09T06:45:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-44.78,"az":340.7,"t":"2043-05-09T06:50:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-45.07,"az":342.4,"t":"2043-05-09T06:55:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-45.34,"az":344.1,"t":"2043-05-09T07:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-45.59,"az":345.9,"t":"2043-05-09T07:05:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-45.8,"az":347.6,"t":"2043-05-09T07:10:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-45.99,"az":349.4,"t":"2043-05-09T07:15:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-46.15,"az":351.2,"t":"2043-05-09T07:20:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-46.27,"az":353.0,"t":"2043-05-09T07:25:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-46.37,"az":354.8,"t":"2043-05-09T07:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.44,"az":356.6,"t":"2043-05-09T07:35:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-46.48,"az":358.4,"t":"2043-05-09T07:40:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.49,"az":0.3,"t":"2043-05-09T07:45:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-46.47,"az":2.1,"t":"2043-05-09T07:50:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-46.43,"az":3.9,"t":"2043-05-09T07:55:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-46.35,"az":5.7,"t":"2043-05-09T08:00:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-46.24,"az":7.5,"t":"2043-05-09T08:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-46.1,"az":9.3,"t":"2043-05-09T08:10:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-45.94,"az":11.1,"t":"2043-05-09T08:15:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-45.74,"az":12.9,"t":"2043-05-09T08:20:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-45.52,"az":14.6,"t":"2043-05-09T08:25:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-45.27,"az":16.4,"t":"2043-05-09T08:30:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-44.99,"az":18.1,"t":"2043-05-09T08:35:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-44.69,"az":19.8,"t":"2043-05-09T08:40:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-44.36,"az":21.5,"t":"2043-05-09T08:45:00Z","terrain":0.85},{"above_terrain":false,"airmass":null,"alt":-44.0,"az":23.2,"t":"2043-05-09T08:50:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-43.62,"az":24.9,"t":"2043-05-09T08:55:00Z","terrain":1.18},{"above_terrain":false,"airmass":null,"alt":-43.21,"az":26.5,"t":"2043-05-09T09:00:00Z","terrain":1.31}],"transit":{"airmass":1.3,"alt":50.1,"az":179.5,"t":"2043-05-08T19:45:00Z"},"usable_hours":4.75,"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."]}