{"assessment":{"best_window":{"end":"2039-04-10T02:15Z","end_local":"05:15","hours":1.33,"label":"good","mean_quality":0.65,"start":"2039-04-10T00:55Z","start_local":"03:55"},"cost":{"altitude":6.09,"clouds":0.0,"darkness":1.18,"moon":0.62},"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 barely \u2014 weather unknown","hourly":[{"alt":-25,"cloud":null,"high":null,"iso":"2039-04-09T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-5,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":-25,"cloud":null,"high":null,"iso":"2039-04-09T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":5,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":-21,"cloud":null,"high":null,"iso":"2039-04-09T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-15,"cloud":null,"high":null,"iso":"2039-04-09T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2039-04-09T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":32,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2039-04-09T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":37,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":13,"cloud":null,"high":null,"iso":"2039-04-09T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":39,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":24,"cloud":null,"high":null,"iso":"2039-04-10T00:00Z","label":"marginal","low":null,"mid":null,"moon_alt":38,"precip":null,"q":0.4,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2039-04-10T01:00Z","label":"good","low":null,"mid":null,"moon_alt":33,"precip":null,"q":0.61,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":46,"cloud":null,"high":null,"iso":"2039-04-10T02:00Z","label":"good","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.68,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":57,"cloud":null,"high":null,"iso":"2039-04-10T03:00Z","label":"poor","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.11,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.69,"peak_sky":0.69,"quality_hours":1.72,"reasons":["the target being low or below 20\u00b0 cost 6.1 quality-hours","daylight and twilight cost 1.2 quality-hours","moonlight cost 0.6 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":30,"score_weather":null,"sky_hours":1.72,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2039-04-09T23:40Z","end_local":"02:40","hours":6.83,"label":"unusable","mean_quality":0.0,"start":"2039-04-09T16:50Z","start_local":"19:50"},{"end":"2039-04-09T23:45Z","end_local":"02:45","hours":0.08,"label":"poor","mean_quality":0.29,"start":"2039-04-09T23:40Z","start_local":"02:40"},{"end":"2039-04-10T00:55Z","end_local":"03:55","hours":1.17,"label":"marginal","mean_quality":0.48,"start":"2039-04-09T23:45Z","start_local":"02:45"},{"end":"2039-04-10T02:15Z","end_local":"05:15","hours":1.33,"label":"good","mean_quality":0.65,"start":"2039-04-10T00:55Z","start_local":"03:55"},{"end":"2039-04-10T02:50Z","end_local":"05:50","hours":0.58,"label":"marginal","mean_quality":0.36,"start":"2039-04-10T02:15Z","start_local":"05:15"},{"end":"2039-04-10T03:25Z","end_local":"06:25","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2039-04-10T02:50Z","start_local":"05:50"},{"end":"2039-04-10T03:50Z","end_local":"06:50","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2039-04-10T03:25Z","start_local":"06:25"}]},"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":"2039-04-09T18:32:54Z","dark_hours":7.64,"dark_to":"2039-04-10T02:11:36Z","moon":{"illumination":0.989,"phase":"full moon","waxing":false},"moon_free_dark_hours":0.0,"moonrise":"2039-04-09T17:31:14Z","moonset":"2039-04-10T04:43:52Z","sunrise":"2039-04-10T03:49:36Z","sunset":"2039-04-09T16:54:49Z","twilight":{"astronomical":{"end":"2039-04-09T18:32:54Z","start":"2039-04-10T02:11:36Z"},"civil":{"end":"2039-04-09T17:23:18Z","start":"2039-04-10T03:21:08Z"},"nautical":{"end":"2039-04-09T17:57:19Z","start":"2039-04-10T02:47:09Z"}},"window_end":"2039-04-10T09:00:00Z","window_start":"2039-04-09T09:00:00Z"},"night_date":"2039-04-09","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.34,"alt":48.0,"t":"2039-04-10T02:10:00Z"},"dec":22.71085365,"dec_of_date":22.8215,"dec_str":"+22\u00b0 42' 39.1\"","good_hours":1.67,"limit_rise":"2039-04-09T23:39:12Z","limit_set":"2039-04-09T10:45:12Z","max_az_rate_deg_per_min":0.71,"moon_separation":92.8,"never_rises":false,"ra":300.18213726,"ra_of_date":300.6062,"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":"Only 1.7 h above 30\u00b0, 2.6 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2039-04-09T12:39:07Z","blocked_dark_hours":0,"clears_at":"2039-04-09T21:50:40Z","rise_az":266.4},"track":[{"above_terrain":true,"airmass":1.57,"alt":39.55,"az":266.4,"t":"2039-04-09T09:00:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.6,"alt":38.62,"az":267.3,"t":"2039-04-09T09:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.63,"alt":37.68,"az":268.2,"t":"2039-04-09T09:10:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.67,"alt":36.74,"az":269.0,"t":"2039-04-09T09:15:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.71,"alt":35.81,"az":269.9,"t":"2039-04-09T09:20:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.75,"alt":34.87,"az":270.7,"t":"2039-04-09T09:25:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.79,"alt":33.94,"az":271.5,"t":"2039-04-09T09:30:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.83,"alt":33.0,"az":272.3,"t":"2039-04-09T09:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.88,"alt":32.07,"az":273.1,"t":"2039-04-09T09:40:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.93,"alt":31.13,"az":273.9,"t":"2039-04-09T09:45:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.98,"alt":30.2,"az":274.7,"t":"2039-04-09T09:50:00Z","terrain":0.06},{"above_terrain":true,"airmass":2.04,"alt":29.27,"az":275.5,"t":"2039-04-09T09:55:00Z","terrain":0.04},{"above_terrain":true,"airmass":2.1,"alt":28.34,"az":276.3,"t":"2039-04-09T10:00:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.16,"alt":27.41,"az":277.1,"t":"2039-04-09T10:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.23,"alt":26.48,"az":277.9,"t":"2039-04-09T10:10:00Z","terrain":-0.09},{"above_terrain":true,"airmass":2.31,"alt":25.55,"az":278.6,"t":"2039-04-09T10:15:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.39,"alt":24.63,"az":279.4,"t":"2039-04-09T10:20:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.48,"alt":23.71,"az":280.1,"t":"2039-04-09T10:25:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.57,"alt":22.79,"az":280.9,"t":"2039-04-09T10:30:00Z","terrain":0.02},{"above_terrain":true,"airmass":2.67,"alt":21.87,"az":281.7,"t":"2039-04-09T10:35:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.78,"alt":20.95,"az":282.4,"t":"2039-04-09T10:40:00Z","terrain":-0.08},{"above_terrain":true,"airmass":2.9,"alt":20.04,"az":283.2,"t":"2039-04-09T10:45:00Z","terrain":0.01},{"above_terrain":true,"airmass":3.03,"alt":19.13,"az":283.9,"t":"2039-04-09T10:50:00Z","terrain":0.11},{"above_terrain":true,"airmass":3.17,"alt":18.22,"az":284.7,"t":"2039-04-09T10:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.33,"alt":17.32,"az":285.4,"t":"2039-04-09T11:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.5,"alt":16.42,"az":286.2,"t":"2039-04-09T11:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.69,"alt":15.52,"az":287.0,"t":"2039-04-09T11:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":3.9,"alt":14.63,"az":287.7,"t":"2039-04-09T11:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":4.14,"alt":13.74,"az":288.5,"t":"2039-04-09T11:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":4.41,"alt":12.85,"az":289.2,"t":"2039-04-09T11:25:00Z","terrain":0.21},{"above_terrain":true,"airmass":4.72,"alt":11.97,"az":290.0,"t":"2039-04-09T11:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":5.07,"alt":11.09,"az":290.8,"t":"2039-04-09T11:35:00Z","terrain":0.44},{"above_terrain":true,"airmass":5.47,"alt":10.22,"az":291.5,"t":"2039-04-09T11:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":5.94,"alt":9.35,"az":292.3,"t":"2039-04-09T11:45:00Z","terrain":0.46},{"above_terrain":true,"airmass":6.5,"alt":8.49,"az":293.1,"t":"2039-04-09T11:50:00Z","terrain":0.28},{"above_terrain":true,"airmass":7.16,"alt":7.63,"az":293.9,"t":"2039-04-09T11:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":7.95,"alt":6.78,"az":294.7,"t":"2039-04-09T12:00:00Z","terrain":0.24},{"above_terrain":true,"airmass":8.93,"alt":5.93,"az":295.4,"t":"2039-04-09T12:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":10.16,"alt":5.09,"az":296.2,"t":"2039-04-09T12:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":11.74,"alt":4.25,"az":297.0,"t":"2039-04-09T12:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":13.82,"alt":3.42,"az":297.8,"t":"2039-04-09T12:20:00Z","terrain":0.14},{"above_terrain":true,"airmass":16.66,"alt":2.6,"az":298.7,"t":"2039-04-09T12:25:00Z","terrain":0.15},{"above_terrain":true,"airmass":20.68,"alt":1.78,"az":299.5,"t":"2039-04-09T12:30:00Z","terrain":0.26},{"above_terrain":true,"airmass":26.61,"alt":0.97,"az":300.3,"t":"2039-04-09T12:35:00Z","terrain":0.36},{"above_terrain":false,"airmass":35.61,"alt":0.16,"az":301.1,"t":"2039-04-09T12:40:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-0.64,"az":302.0,"t":"2039-04-09T12:45:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-1.43,"az":302.8,"t":"2039-04-09T12:50:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-2.21,"az":303.7,"t":"2039-04-09T12:55:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-2.98,"az":304.5,"t":"2039-04-09T13:00:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-3.75,"az":305.4,"t":"2039-04-09T13:05:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-4.51,"az":306.2,"t":"2039-04-09T13:10:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-5.26,"az":307.1,"t":"2039-04-09T13:15:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-6.0,"az":308.0,"t":"2039-04-09T13:20:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-6.74,"az":308.9,"t":"2039-04-09T13:25:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-7.46,"az":309.8,"t":"2039-04-09T13:30:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-8.17,"az":310.7,"t":"2039-04-09T13:35:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-8.88,"az":311.7,"t":"2039-04-09T13:40:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-9.57,"az":312.6,"t":"2039-04-09T13:45:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-10.26,"az":313.6,"t":"2039-04-09T13:50:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-10.93,"az":314.5,"t":"2039-04-09T13:55:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-11.59,"az":315.5,"t":"2039-04-09T14:00:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-12.24,"az":316.4,"t":"2039-04-09T14:05:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-12.88,"az":317.4,"t":"2039-04-09T14:10:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-13.51,"az":318.4,"t":"2039-04-09T14:15:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-14.12,"az":319.4,"t":"2039-04-09T14:20:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-14.72,"az":320.5,"t":"2039-04-09T14:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.31,"az":321.5,"t":"2039-04-09T14:30:00Z","terrain":-0.0},{"above_terrain":false,"airmass":null,"alt":-15.89,"az":322.5,"t":"2039-04-09T14:35:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-16.45,"az":323.6,"t":"2039-04-09T14:40:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-17.0,"az":324.6,"t":"2039-04-09T14:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-17.54,"az":325.7,"t":"2039-04-09T14:50:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-18.06,"az":326.8,"t":"2039-04-09T14:55:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-18.56,"az":327.9,"t":"2039-04-09T15:00:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-19.05,"az":329.0,"t":"2039-04-09T15:05:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-19.52,"az":330.1,"t":"2039-04-09T15:10:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-19.98,"az":331.2,"t":"2039-04-09T15:15:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-20.43,"az":332.4,"t":"2039-04-09T15:20:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-20.85,"az":333.5,"t":"2039-04-09T15:25:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-21.26,"az":334.7,"t":"2039-04-09T15:30:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-21.65,"az":335.8,"t":"2039-04-09T15:35:00Z","terrain":-0.79},{"above_terrain":false,"airmass":null,"alt":-22.03,"az":337.0,"t":"2039-04-09T15:40:00Z","terrain":-0.72},{"above_terrain":false,"airmass":null,"alt":-22.38,"az":338.2,"t":"2039-04-09T15:45:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-22.72,"az":339.4,"t":"2039-04-09T15:50:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-23.04,"az":340.6,"t":"2039-04-09T15:55:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-23.34,"az":341.8,"t":"2039-04-09T16:00:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-23.62,"az":343.0,"t":"2039-04-09T16:05:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-23.89,"az":344.3,"t":"2039-04-09T16:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-24.13,"az":345.5,"t":"2039-04-09T16:15:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-24.36,"az":346.8,"t":"2039-04-09T16:20:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-24.56,"az":348.0,"t":"2039-04-09T16:25:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-24.74,"az":349.3,"t":"2039-04-09T16:30:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-24.91,"az":350.5,"t":"2039-04-09T16:35:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-25.05,"az":351.8,"t":"2039-04-09T16:40:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-25.18,"az":353.1,"t":"2039-04-09T16:45:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-25.28,"az":354.3,"t":"2039-04-09T16:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-25.36,"az":355.6,"t":"2039-04-09T16:55:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-25.42,"az":356.9,"t":"2039-04-09T17:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-25.46,"az":358.2,"t":"2039-04-09T17:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-25.48,"az":359.4,"t":"2039-04-09T17:10:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-25.48,"az":0.7,"t":"2039-04-09T17:15:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-25.46,"az":2.0,"t":"2039-04-09T17:20:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-25.42,"az":3.3,"t":"2039-04-09T17:25:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-25.35,"az":4.5,"t":"2039-04-09T17:30:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-25.27,"az":5.8,"t":"2039-04-09T17:35:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-25.16,"az":7.1,"t":"2039-04-09T17:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-25.04,"az":8.4,"t":"2039-04-09T17:45:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-24.89,"az":9.6,"t":"2039-04-09T17:50:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-24.72,"az":10.9,"t":"2039-04-09T17:55:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-24.54,"az":12.1,"t":"2039-04-09T18:00:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-24.33,"az":13.4,"t":"2039-04-09T18:05:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-24.1,"az":14.6,"t":"2039-04-09T18:10:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-23.86,"az":15.9,"t":"2039-04-09T18:15:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-23.59,"az":17.1,"t":"2039-04-09T18:20:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-23.31,"az":18.3,"t":"2039-04-09T18:25:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-23.0,"az":19.5,"t":"2039-04-09T18:30:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-22.68,"az":20.7,"t":"2039-04-09T18:35:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-22.34,"az":21.9,"t":"2039-04-09T18:40:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-21.98,"az":23.1,"t":"2039-04-09T18:45:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-21.61,"az":24.3,"t":"2039-04-09T18:50:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-21.21,"az":25.5,"t":"2039-04-09T18:55:00Z","terrain":1.27},{"above_terrain":false,"airmass":null,"alt":-20.8,"az":26.6,"t":"2039-04-09T19:00:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-20.38,"az":27.8,"t":"2039-04-09T19:05:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-19.93,"az":28.9,"t":"2039-04-09T19:10:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-19.47,"az":30.0,"t":"2039-04-09T19:15:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-18.99,"az":31.1,"t":"2039-04-09T19:20:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-18.5,"az":32.2,"t":"2039-04-09T19:25:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-18.0,"az":33.3,"t":"2039-04-09T19:30:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-17.47,"az":34.4,"t":"2039-04-09T19:35:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-16.94,"az":35.5,"t":"2039-04-09T19:40:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-16.39,"az":36.5,"t":"2039-04-09T19:45:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-15.82,"az":37.6,"t":"2039-04-09T19:50:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-15.25,"az":38.6,"t":"2039-04-09T19:55:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-14.66,"az":39.7,"t":"2039-04-09T20:00:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-14.05,"az":40.7,"t":"2039-04-09T20:05:00Z","terrain":-0.0},{"above_terrain":false,"airmass":null,"alt":-13.43,"az":41.7,"t":"2039-04-09T20:10:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-12.81,"az":42.7,"t":"2039-04-09T20:15:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-12.17,"az":43.7,"t":"2039-04-09T20:20:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-11.51,"az":44.6,"t":"2039-04-09T20:25:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-10.85,"az":45.6,"t":"2039-04-09T20:30:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-10.18,"az":46.6,"t":"2039-04-09T20:35:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":47.5,"t":"2039-04-09T20:40:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-8.8,"az":48.4,"t":"2039-04-09T20:45:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-8.09,"az":49.4,"t":"2039-04-09T20:50:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-7.38,"az":50.3,"t":"2039-04-09T20:55:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-6.65,"az":51.2,"t":"2039-04-09T21:00:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-5.92,"az":52.1,"t":"2039-04-09T21:05:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-5.18,"az":53.0,"t":"2039-04-09T21:10:00Z","terrain":0.83},{"above_terrain":false,"airmass":null,"alt":-4.42,"az":53.9,"t":"2039-04-09T21:15:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":54.7,"t":"2039-04-09T21:20:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-2.9,"az":55.6,"t":"2039-04-09T21:25:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-2.12,"az":56.4,"t":"2039-04-09T21:30:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.34,"az":57.3,"t":"2039-04-09T21:35:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-0.54,"az":58.1,"t":"2039-04-09T21:40:00Z","terrain":1.24},{"above_terrain":false,"airmass":34.37,"alt":0.25,"az":59.0,"t":"2039-04-09T21:45:00Z","terrain":1.21},{"above_terrain":false,"airmass":25.79,"alt":1.06,"az":59.8,"t":"2039-04-09T21:50:00Z","terrain":1.18},{"above_terrain":true,"airmass":20.14,"alt":1.87,"az":60.6,"t":"2039-04-09T21:55:00Z","terrain":1.12},{"above_terrain":true,"airmass":16.28,"alt":2.69,"az":61.4,"t":"2039-04-09T22:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":13.55,"alt":3.52,"az":62.2,"t":"2039-04-09T22:05:00Z","terrain":0.99},{"above_terrain":true,"airmass":11.53,"alt":4.35,"az":63.1,"t":"2039-04-09T22:10:00Z","terrain":0.9},{"above_terrain":true,"airmass":10.0,"alt":5.18,"az":63.8,"t":"2039-04-09T22:15:00Z","terrain":0.79},{"above_terrain":true,"airmass":8.81,"alt":6.03,"az":64.6,"t":"2039-04-09T22:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":7.85,"alt":6.88,"az":65.4,"t":"2039-04-09T22:25:00Z","terrain":0.8},{"above_terrain":true,"airmass":7.07,"alt":7.73,"az":66.2,"t":"2039-04-09T22:30:00Z","terrain":0.85},{"above_terrain":true,"airmass":6.43,"alt":8.59,"az":67.0,"t":"2039-04-09T22:35:00Z","terrain":0.93},{"above_terrain":true,"airmass":5.89,"alt":9.45,"az":67.8,"t":"2039-04-09T22:40:00Z","terrain":0.98},{"above_terrain":true,"airmass":5.42,"alt":10.32,"az":68.5,"t":"2039-04-09T22:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":5.03,"alt":11.2,"az":69.3,"t":"2039-04-09T22:50:00Z","terrain":1.1},{"above_terrain":true,"airmass":4.68,"alt":12.07,"az":70.1,"t":"2039-04-09T22:55:00Z","terrain":1.22},{"above_terrain":true,"airmass":4.38,"alt":12.95,"az":70.8,"t":"2039-04-09T23:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":4.12,"alt":13.84,"az":71.6,"t":"2039-04-09T23:05:00Z","terrain":1.22},{"above_terrain":true,"airmass":3.88,"alt":14.73,"az":72.4,"t":"2039-04-09T23:10:00Z","terrain":1.12},{"above_terrain":true,"airmass":3.67,"alt":15.63,"az":73.1,"t":"2039-04-09T23:15:00Z","terrain":0.96},{"above_terrain":true,"airmass":3.48,"alt":16.52,"az":73.9,"t":"2039-04-09T23:20:00Z","terrain":0.76},{"above_terrain":true,"airmass":3.31,"alt":17.42,"az":74.6,"t":"2039-04-09T23:25:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.15,"alt":18.33,"az":75.4,"t":"2039-04-09T23:30:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.01,"alt":19.23,"az":76.2,"t":"2039-04-09T23:35:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.88,"alt":20.14,"az":76.9,"t":"2039-04-09T23:40:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.77,"alt":21.06,"az":77.7,"t":"2039-04-09T23:45:00Z","terrain":0.65},{"above_terrain":true,"airmass":2.66,"alt":21.97,"az":78.4,"t":"2039-04-09T23:50:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.56,"alt":22.89,"az":79.2,"t":"2039-04-09T23:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.46,"alt":23.81,"az":79.9,"t":"2039-04-10T00:00:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.38,"alt":24.73,"az":80.7,"t":"2039-04-10T00:05:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.3,"alt":25.66,"az":81.5,"t":"2039-04-10T00:10:00Z","terrain":0.74},{"above_terrain":true,"airmass":2.23,"alt":26.59,"az":82.2,"t":"2039-04-10T00:15:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.16,"alt":27.51,"az":83.0,"t":"2039-04-10T00:20:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.09,"alt":28.44,"az":83.8,"t":"2039-04-10T00:25:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.03,"alt":29.38,"az":84.6,"t":"2039-04-10T00:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.98,"alt":30.31,"az":85.4,"t":"2039-04-10T00:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.92,"alt":31.24,"az":86.1,"t":"2039-04-10T00:40:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.87,"alt":32.17,"az":86.9,"t":"2039-04-10T00:45:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.83,"alt":33.11,"az":87.8,"t":"2039-04-10T00:50:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.78,"alt":34.05,"az":88.6,"t":"2039-04-10T00:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.74,"alt":34.98,"az":89.4,"t":"2039-04-10T01:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.7,"alt":35.92,"az":90.2,"t":"2039-04-10T01:05:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.66,"alt":36.85,"az":91.1,"t":"2039-04-10T01:10:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.63,"alt":37.79,"az":91.9,"t":"2039-04-10T01:15:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.6,"alt":38.72,"az":92.8,"t":"2039-04-10T01:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.56,"alt":39.66,"az":93.7,"t":"2039-04-10T01:25:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.53,"alt":40.59,"az":94.5,"t":"2039-04-10T01:30:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.51,"alt":41.52,"az":95.4,"t":"2039-04-10T01:35:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.48,"alt":42.46,"az":96.4,"t":"2039-04-10T01:40:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.45,"alt":43.38,"az":97.3,"t":"2039-04-10T01:45:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.43,"alt":44.31,"az":98.3,"t":"2039-04-10T01:50:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.41,"alt":45.24,"az":99.2,"t":"2039-04-10T01:55:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.38,"alt":46.16,"az":100.2,"t":"2039-04-10T02:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.36,"alt":47.08,"az":101.3,"t":"2039-04-10T02:05:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.34,"alt":48.0,"az":102.3,"t":"2039-04-10T02:10:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.33,"alt":48.91,"az":103.4,"t":"2039-04-10T02:15:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.31,"alt":49.82,"az":104.5,"t":"2039-04-10T02:20:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.29,"alt":50.72,"az":105.6,"t":"2039-04-10T02:25:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.27,"alt":51.62,"az":106.7,"t":"2039-04-10T02:30:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.26,"alt":52.51,"az":107.9,"t":"2039-04-10T02:35:00Z","terrain":-0.91},{"above_terrain":true,"airmass":1.24,"alt":53.4,"az":109.2,"t":"2039-04-10T02:40:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.23,"alt":54.28,"az":110.4,"t":"2039-04-10T02:45:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.22,"alt":55.15,"az":111.7,"t":"2039-04-10T02:50:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.21,"alt":56.02,"az":113.1,"t":"2039-04-10T02:55:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.19,"alt":56.88,"az":114.5,"t":"2039-04-10T03:00:00Z","terrain":-1.57},{"above_terrain":true,"airmass":1.18,"alt":57.72,"az":115.9,"t":"2039-04-10T03:05:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.17,"alt":58.56,"az":117.5,"t":"2039-04-10T03:10:00Z","terrain":-1.53},{"above_terrain":true,"airmass":1.16,"alt":59.38,"az":119.0,"t":"2039-04-10T03:15:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.15,"alt":60.19,"az":120.7,"t":"2039-04-10T03:20:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.14,"alt":60.99,"az":122.4,"t":"2039-04-10T03:25:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.13,"alt":61.78,"az":124.1,"t":"2039-04-10T03:30:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.13,"alt":62.54,"az":126.0,"t":"2039-04-10T03:35:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.12,"alt":63.29,"az":127.9,"t":"2039-04-10T03:40:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.11,"alt":64.02,"az":129.9,"t":"2039-04-10T03:45:00Z","terrain":-1.53},{"above_terrain":true,"airmass":1.11,"alt":64.72,"az":132.1,"t":"2039-04-10T03:50:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.1,"alt":65.41,"az":134.3,"t":"2039-04-10T03:55:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.09,"alt":66.06,"az":136.6,"t":"2039-04-10T04:00:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.09,"alt":66.69,"az":139.0,"t":"2039-04-10T04:05:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.08,"alt":67.29,"az":141.5,"t":"2039-04-10T04:10:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.08,"alt":67.86,"az":144.2,"t":"2039-04-10T04:15:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.08,"alt":68.39,"az":146.9,"t":"2039-04-10T04:20:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.07,"alt":68.88,"az":149.8,"t":"2039-04-10T04:25:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.07,"alt":69.33,"az":152.8,"t":"2039-04-10T04:30:00Z","terrain":-0.99},{"above_terrain":true,"airmass":1.07,"alt":69.73,"az":155.9,"t":"2039-04-10T04:35:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.06,"alt":70.09,"az":159.1,"t":"2039-04-10T04:40:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.06,"alt":70.4,"az":162.4,"t":"2039-04-10T04:45:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.06,"alt":70.66,"az":165.7,"t":"2039-04-10T04:50:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.06,"alt":70.86,"az":169.2,"t":"2039-04-10T04:55:00Z","terrain":-0.77},{"above_terrain":true,"airmass":1.06,"alt":71.01,"az":172.7,"t":"2039-04-10T05:00:00Z","terrain":-0.54},{"above_terrain":true,"airmass":1.06,"alt":71.1,"az":176.3,"t":"2039-04-10T05:05:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.06,"alt":71.13,"az":179.8,"t":"2039-04-10T05:10:00Z","terrain":-0.54},{"above_terrain":true,"airmass":1.06,"alt":71.1,"az":183.4,"t":"2039-04-10T05:15:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.06,"alt":71.02,"az":186.9,"t":"2039-04-10T05:20:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.06,"alt":70.88,"az":190.5,"t":"2039-04-10T05:25:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.06,"alt":70.68,"az":193.9,"t":"2039-04-10T05:30:00Z","terrain":-0.49},{"above_terrain":true,"airmass":1.06,"alt":70.43,"az":197.3,"t":"2039-04-10T05:35:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.06,"alt":70.12,"az":200.6,"t":"2039-04-10T05:40:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.07,"alt":69.77,"az":203.8,"t":"2039-04-10T05:45:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.07,"alt":69.37,"az":206.9,"t":"2039-04-10T05:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.07,"alt":68.92,"az":209.9,"t":"2039-04-10T05:55:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.07,"alt":68.44,"az":212.8,"t":"2039-04-10T06:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.08,"alt":67.91,"az":215.6,"t":"2039-04-10T06:05:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.08,"alt":67.35,"az":218.2,"t":"2039-04-10T06:10:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.09,"alt":66.75,"az":220.8,"t":"2039-04-10T06:15:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.09,"alt":66.13,"az":223.2,"t":"2039-04-10T06:20:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.1,"alt":65.47,"az":225.5,"t":"2039-04-10T06:25:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.1,"alt":64.79,"az":227.7,"t":"2039-04-10T06:30:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.11,"alt":64.09,"az":229.8,"t":"2039-04-10T06:35:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.12,"alt":63.36,"az":231.9,"t":"2039-04-10T06:40:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.13,"alt":62.62,"az":233.8,"t":"2039-04-10T06:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.13,"alt":61.85,"az":235.7,"t":"2039-04-10T06:50:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.14,"alt":61.07,"az":237.5,"t":"2039-04-10T06:55:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.15,"alt":60.27,"az":239.2,"t":"2039-04-10T07:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.16,"alt":59.46,"az":240.8,"t":"2039-04-10T07:05:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.17,"alt":58.64,"az":242.4,"t":"2039-04-10T07:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.18,"alt":57.8,"az":243.9,"t":"2039-04-10T07:15:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.19,"alt":56.96,"az":245.4,"t":"2039-04-10T07:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.2,"alt":56.1,"az":246.8,"t":"2039-04-10T07:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.22,"alt":55.24,"az":248.1,"t":"2039-04-10T07:30:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.23,"alt":54.37,"az":249.4,"t":"2039-04-10T07:35:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.24,"alt":53.49,"az":250.7,"t":"2039-04-10T07:40:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.26,"alt":52.6,"az":251.9,"t":"2039-04-10T07:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.27,"alt":51.71,"az":253.1,"t":"2039-04-10T07:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.29,"alt":50.81,"az":254.3,"t":"2039-04-10T07:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.31,"alt":49.9,"az":255.4,"t":"2039-04-10T08:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.32,"alt":49.0,"az":256.5,"t":"2039-04-10T08:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.34,"alt":48.08,"az":257.6,"t":"2039-04-10T08:10:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.36,"alt":47.17,"az":258.6,"t":"2039-04-10T08:15:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.38,"alt":46.25,"az":259.7,"t":"2039-04-10T08:20:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.4,"alt":45.33,"az":260.7,"t":"2039-04-10T08:25:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.43,"alt":44.4,"az":261.6,"t":"2039-04-10T08:30:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.45,"alt":43.48,"az":262.6,"t":"2039-04-10T08:35:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.48,"alt":42.55,"az":263.5,"t":"2039-04-10T08:40:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.5,"alt":41.62,"az":264.5,"t":"2039-04-10T08:45:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.53,"alt":40.68,"az":265.4,"t":"2039-04-10T08:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.56,"alt":39.75,"az":266.3,"t":"2039-04-10T08:55:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.59,"alt":38.82,"az":267.1,"t":"2039-04-10T09:00:00Z","terrain":0.58}],"transit":{"airmass":1.06,"alt":71.1,"az":179.8,"t":"2039-04-10T05:10:00Z"},"usable_hours":2.58,"verdict":"marginal","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."]}