{"assessment":{"best_window":{"end":"2040-05-18T01:50Z","end_local":"04:50","hours":0.58,"label":"marginal","mean_quality":0.35,"start":"2040-05-18T01:15Z","start_local":"04:15"},"cost":{"altitude":5.96,"clouds":0.0,"darkness":1.15,"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 barely \u2014 weather unknown","hourly":[{"alt":-5,"cloud":null,"high":null,"iso":"2040-05-17T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":53,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2040-05-17T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":43,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2040-05-17T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":32,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2040-05-17T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":21,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2040-05-17T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":10,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2040-05-17T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":0,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2040-05-18T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-9,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":23,"cloud":null,"high":null,"iso":"2040-05-18T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-17,"precip":null,"q":0.52,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":32,"cloud":null,"high":null,"iso":"2040-05-18T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":-23,"precip":null,"q":0.12,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null}],"peak_quality":0.52,"peak_sky":0.52,"quality_hours":0.49,"reasons":["the target being low or below 20\u00b0 cost 6.0 quality-hours","daylight and twilight cost 1.2 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":6,"score_weather":null,"sky_hours":0.49,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2040-05-18T00:45Z","end_local":"03:45","hours":7.17,"label":"unusable","mean_quality":0.0,"start":"2040-05-17T17:35Z","start_local":"20:35"},{"end":"2040-05-18T01:05Z","end_local":"04:05","hours":0.33,"label":"marginal","mean_quality":0.47,"start":"2040-05-18T00:45Z","start_local":"03:45"},{"end":"2040-05-18T01:15Z","end_local":"04:15","hours":0.17,"label":"poor","mean_quality":0.28,"start":"2040-05-18T01:05Z","start_local":"04:05"},{"end":"2040-05-18T01:50Z","end_local":"04:50","hours":0.58,"label":"marginal","mean_quality":0.35,"start":"2040-05-18T01:15Z","start_local":"04:15"},{"end":"2040-05-18T02:30Z","end_local":"05:30","hours":0.67,"label":"poor","mean_quality":0.12,"start":"2040-05-18T01:50Z","start_local":"04:50"},{"end":"2040-05-18T03:00Z","end_local":"06:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2040-05-18T02:30Z","start_local":"05:30"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2040-05-17T19:34:05Z","dark_hours":5.44,"dark_to":"2040-05-18T01:00:32Z","moon":{"illumination":0.37,"phase":"waxing crescent","waxing":true},"moon_free_dark_hours":2.0,"moonrise":"2040-05-18T08:51:09Z","moonset":"2040-05-17T22:59:36Z","sunrise":"2040-05-18T02:58:14Z","sunset":"2040-05-17T17:36:23Z","twilight":{"astronomical":{"end":"2040-05-17T19:34:05Z","start":"2040-05-18T01:00:32Z"},"civil":{"end":"2040-05-17T18:08:27Z","start":"2040-05-18T02:26:10Z"},"nautical":{"end":"2040-05-17T18:48:35Z","start":"2040-05-18T01:46:02Z"}},"window_end":"2040-05-18T09:00:00Z","window_start":"2040-05-17T09:00:00Z"},"night_date":"2040-05-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":2.55,"alt":23.0,"t":"2040-05-18T01:00:00Z"},"dec":41.26875,"dec_of_date":41.4894,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":0,"limit_rise":"2040-05-18T00:40:05Z","limit_set":"2040-05-17T14:03:04Z","max_az_rate_deg_per_min":19.31,"moon_separation":99.4,"never_rises":false,"ra":10.68470833,"ra_of_date":11.2397,"ra_str":"00h 42m 44.3s","resolved":{"common_name":"Andromeda Galaxy","dec":41.26875,"morphology":"SA(s)b","name":"M 31","ra":10.68470833,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M31","source":"sesame","type":"AGN","type_text":"galaxy with an active nucleus","vmag":3.44},"summary":"Just 0.3 h above 20\u00b0 in darkness \u2014 barely observable tonight.","terrain":{"available":true,"behind_at":"2040-05-17T16:51:32Z","blocked_dark_hours":0,"clears_at":"2040-05-17T22:05:13Z","rise_az":277.5},"track":[{"above_terrain":true,"airmass":1.05,"alt":71.98,"az":277.5,"t":"2040-05-17T09:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.06,"alt":71.05,"az":277.9,"t":"2040-05-17T09:05:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.06,"alt":70.12,"az":278.4,"t":"2040-05-17T09:10:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.07,"alt":69.2,"az":278.8,"t":"2040-05-17T09:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.08,"alt":68.27,"az":279.3,"t":"2040-05-17T09:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.08,"alt":67.35,"az":279.7,"t":"2040-05-17T09:25:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.09,"alt":66.43,"az":280.2,"t":"2040-05-17T09:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.1,"alt":65.51,"az":280.6,"t":"2040-05-17T09:35:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.11,"alt":64.59,"az":281.1,"t":"2040-05-17T09:40:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.12,"alt":63.67,"az":281.6,"t":"2040-05-17T09:45:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.12,"alt":62.75,"az":282.0,"t":"2040-05-17T09:50:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.13,"alt":61.84,"az":282.5,"t":"2040-05-17T09:55:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.14,"alt":60.93,"az":282.9,"t":"2040-05-17T10:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.15,"alt":60.01,"az":283.4,"t":"2040-05-17T10:05:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.16,"alt":59.1,"az":283.8,"t":"2040-05-17T10:10:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.18,"alt":58.2,"az":284.3,"t":"2040-05-17T10:15:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.19,"alt":57.29,"az":284.8,"t":"2040-05-17T10:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.2,"alt":56.39,"az":285.2,"t":"2040-05-17T10:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.48,"az":285.7,"t":"2040-05-17T10:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.23,"alt":54.58,"az":286.2,"t":"2040-05-17T10:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.24,"alt":53.69,"az":286.6,"t":"2040-05-17T10:40:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.25,"alt":52.79,"az":287.1,"t":"2040-05-17T10:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.27,"alt":51.9,"az":287.6,"t":"2040-05-17T10:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.29,"alt":51.01,"az":288.0,"t":"2040-05-17T10:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.3,"alt":50.12,"az":288.5,"t":"2040-05-17T11:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.32,"alt":49.23,"az":289.0,"t":"2040-05-17T11:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.34,"alt":48.35,"az":289.5,"t":"2040-05-17T11:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.36,"alt":47.47,"az":290.0,"t":"2040-05-17T11:15:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.38,"alt":46.59,"az":290.5,"t":"2040-05-17T11:20:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.4,"alt":45.71,"az":290.9,"t":"2040-05-17T11:25:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.42,"alt":44.84,"az":291.4,"t":"2040-05-17T11:30:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.44,"alt":43.97,"az":291.9,"t":"2040-05-17T11:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.46,"alt":43.1,"az":292.4,"t":"2040-05-17T11:40:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.49,"alt":42.24,"az":292.9,"t":"2040-05-17T11:45:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.51,"alt":41.38,"az":293.4,"t":"2040-05-17T11:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.54,"alt":40.52,"az":293.9,"t":"2040-05-17T11:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.56,"alt":39.67,"az":294.4,"t":"2040-05-17T12:00:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.59,"alt":38.82,"az":295.0,"t":"2040-05-17T12:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.62,"alt":37.97,"az":295.5,"t":"2040-05-17T12:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.65,"alt":37.13,"az":296.0,"t":"2040-05-17T12:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.69,"alt":36.29,"az":296.5,"t":"2040-05-17T12:20:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.72,"alt":35.45,"az":297.1,"t":"2040-05-17T12:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.76,"alt":34.62,"az":297.6,"t":"2040-05-17T12:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.79,"alt":33.79,"az":298.1,"t":"2040-05-17T12:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.83,"alt":32.97,"az":298.7,"t":"2040-05-17T12:40:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.87,"alt":32.15,"az":299.2,"t":"2040-05-17T12:45:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.92,"alt":31.34,"az":299.8,"t":"2040-05-17T12:50:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.96,"alt":30.53,"az":300.3,"t":"2040-05-17T12:55:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.01,"alt":29.72,"az":300.9,"t":"2040-05-17T13:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.06,"alt":28.92,"az":301.4,"t":"2040-05-17T13:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.11,"alt":28.12,"az":302.0,"t":"2040-05-17T13:10:00Z","terrain":0.08},{"above_terrain":true,"airmass":2.17,"alt":27.33,"az":302.6,"t":"2040-05-17T13:15:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.23,"alt":26.55,"az":303.1,"t":"2040-05-17T13:20:00Z","terrain":-0.21},{"above_terrain":true,"airmass":2.29,"alt":25.77,"az":303.7,"t":"2040-05-17T13:25:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.36,"alt":24.99,"az":304.3,"t":"2040-05-17T13:30:00Z","terrain":-0.16},{"above_terrain":true,"airmass":2.43,"alt":24.22,"az":304.9,"t":"2040-05-17T13:35:00Z","terrain":-0.27},{"above_terrain":true,"airmass":2.5,"alt":23.45,"az":305.5,"t":"2040-05-17T13:40:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.58,"alt":22.7,"az":306.1,"t":"2040-05-17T13:45:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.66,"alt":21.94,"az":306.7,"t":"2040-05-17T13:50:00Z","terrain":0.08},{"above_terrain":true,"airmass":2.75,"alt":21.19,"az":307.3,"t":"2040-05-17T13:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.84,"alt":20.45,"az":307.9,"t":"2040-05-17T14:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.94,"alt":19.72,"az":308.6,"t":"2040-05-17T14:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.05,"alt":18.99,"az":309.2,"t":"2040-05-17T14:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.16,"alt":18.27,"az":309.8,"t":"2040-05-17T14:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.28,"alt":17.55,"az":310.4,"t":"2040-05-17T14:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":3.42,"alt":16.84,"az":311.1,"t":"2040-05-17T14:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.56,"alt":16.14,"az":311.7,"t":"2040-05-17T14:30:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.71,"alt":15.45,"az":312.4,"t":"2040-05-17T14:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":3.87,"alt":14.76,"az":313.1,"t":"2040-05-17T14:40:00Z","terrain":0.28},{"above_terrain":true,"airmass":4.05,"alt":14.08,"az":313.7,"t":"2040-05-17T14:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":4.24,"alt":13.41,"az":314.4,"t":"2040-05-17T14:50:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.45,"alt":12.74,"az":315.1,"t":"2040-05-17T14:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.68,"alt":12.08,"az":315.8,"t":"2040-05-17T15:00:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.93,"alt":11.44,"az":316.5,"t":"2040-05-17T15:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":5.2,"alt":10.8,"az":317.2,"t":"2040-05-17T15:10:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.5,"alt":10.16,"az":317.9,"t":"2040-05-17T15:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.84,"alt":9.54,"az":318.6,"t":"2040-05-17T15:20:00Z","terrain":0.06},{"above_terrain":true,"airmass":6.21,"alt":8.92,"az":319.3,"t":"2040-05-17T15:25:00Z","terrain":-0.16},{"above_terrain":true,"airmass":6.62,"alt":8.32,"az":320.0,"t":"2040-05-17T15:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.08,"alt":7.72,"az":320.8,"t":"2040-05-17T15:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.6,"alt":7.13,"az":321.5,"t":"2040-05-17T15:40:00Z","terrain":0.01},{"above_terrain":true,"airmass":8.19,"alt":6.56,"az":322.2,"t":"2040-05-17T15:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":8.86,"alt":5.99,"az":323.0,"t":"2040-05-17T15:50:00Z","terrain":0.08},{"above_terrain":true,"airmass":9.62,"alt":5.43,"az":323.8,"t":"2040-05-17T15:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":10.51,"alt":4.88,"az":324.5,"t":"2040-05-17T16:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.54,"alt":4.34,"az":325.3,"t":"2040-05-17T16:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.75,"alt":3.82,"az":326.1,"t":"2040-05-17T16:10:00Z","terrain":-0.25},{"above_terrain":true,"airmass":14.18,"alt":3.3,"az":326.9,"t":"2040-05-17T16:15:00Z","terrain":-0.37},{"above_terrain":true,"airmass":15.89,"alt":2.79,"az":327.6,"t":"2040-05-17T16:20:00Z","terrain":-0.29},{"above_terrain":true,"airmass":17.95,"alt":2.3,"az":328.4,"t":"2040-05-17T16:25:00Z","terrain":-0.19},{"above_terrain":true,"airmass":20.47,"alt":1.81,"az":329.3,"t":"2040-05-17T16:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":23.57,"alt":1.34,"az":330.1,"t":"2040-05-17T16:35:00Z","terrain":-0.35},{"above_terrain":true,"airmass":27.4,"alt":0.88,"az":330.9,"t":"2040-05-17T16:40:00Z","terrain":-0.39},{"above_terrain":true,"airmass":32.17,"alt":0.43,"az":331.7,"t":"2040-05-17T16:45:00Z","terrain":-0.21},{"above_terrain":true,"airmass":null,"alt":-0.01,"az":332.5,"t":"2040-05-17T16:50:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.43,"az":333.4,"t":"2040-05-17T16:55:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-0.85,"az":334.2,"t":"2040-05-17T17:00:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-1.25,"az":335.1,"t":"2040-05-17T17:05:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-1.64,"az":335.9,"t":"2040-05-17T17:10:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-2.01,"az":336.8,"t":"2040-05-17T17:15:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-2.37,"az":337.6,"t":"2040-05-17T17:20:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-2.72,"az":338.5,"t":"2040-05-17T17:25:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-3.06,"az":339.4,"t":"2040-05-17T17:30:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-3.38,"az":340.3,"t":"2040-05-17T17:35:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-3.69,"az":341.2,"t":"2040-05-17T17:40:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-3.99,"az":342.1,"t":"2040-05-17T17:45:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-4.27,"az":343.0,"t":"2040-05-17T17:50:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-4.53,"az":343.9,"t":"2040-05-17T17:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.79,"az":344.8,"t":"2040-05-17T18:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-5.03,"az":345.7,"t":"2040-05-17T18:05:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-5.25,"az":346.6,"t":"2040-05-17T18:10:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-5.46,"az":347.5,"t":"2040-05-17T18:15:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-5.65,"az":348.4,"t":"2040-05-17T18:20:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-5.83,"az":349.4,"t":"2040-05-17T18:25:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-6.0,"az":350.3,"t":"2040-05-17T18:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.15,"az":351.2,"t":"2040-05-17T18:35:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-6.29,"az":352.2,"t":"2040-05-17T18:40:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-6.41,"az":353.1,"t":"2040-05-17T18:45:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-6.51,"az":354.0,"t":"2040-05-17T18:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.6,"az":355.0,"t":"2040-05-17T18:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":355.9,"t":"2040-05-17T19:00:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-6.73,"az":356.9,"t":"2040-05-17T19:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":357.8,"t":"2040-05-17T19:10:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":358.8,"t":"2040-05-17T19:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.82,"az":359.7,"t":"2040-05-17T19:20:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-6.81,"az":0.6,"t":"2040-05-17T19:25:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":1.6,"t":"2040-05-17T19:30:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-6.76,"az":2.5,"t":"2040-05-17T19:35:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-6.71,"az":3.5,"t":"2040-05-17T19:40:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-6.65,"az":4.4,"t":"2040-05-17T19:45:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-6.57,"az":5.4,"t":"2040-05-17T19:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-6.47,"az":6.3,"t":"2040-05-17T19:55:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-6.36,"az":7.2,"t":"2040-05-17T20:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.24,"az":8.2,"t":"2040-05-17T20:05:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-6.1,"az":9.1,"t":"2040-05-17T20:10:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-5.94,"az":10.0,"t":"2040-05-17T20:15:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-5.77,"az":11.0,"t":"2040-05-17T20:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-5.58,"az":11.9,"t":"2040-05-17T20:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-5.38,"az":12.8,"t":"2040-05-17T20:30:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-5.17,"az":13.7,"t":"2040-05-17T20:35:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-4.94,"az":14.7,"t":"2040-05-17T20:40:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-4.7,"az":15.6,"t":"2040-05-17T20:45:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-4.44,"az":16.5,"t":"2040-05-17T20:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.17,"az":17.4,"t":"2040-05-17T20:55:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":18.3,"t":"2040-05-17T21:00:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.58,"az":19.2,"t":"2040-05-17T21:05:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-3.26,"az":20.0,"t":"2040-05-17T21:10:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-2.94,"az":20.9,"t":"2040-05-17T21:15:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-2.6,"az":21.8,"t":"2040-05-17T21:20:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-2.24,"az":22.7,"t":"2040-05-17T21:25:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-1.88,"az":23.5,"t":"2040-05-17T21:30:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-1.49,"az":24.4,"t":"2040-05-17T21:35:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-1.1,"az":25.2,"t":"2040-05-17T21:40:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-0.7,"az":26.1,"t":"2040-05-17T21:45:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-0.28,"az":26.9,"t":"2040-05-17T21:50:00Z","terrain":1.28},{"above_terrain":false,"airmass":35.75,"alt":0.15,"az":27.8,"t":"2040-05-17T21:55:00Z","terrain":1.21},{"above_terrain":false,"airmass":30.3,"alt":0.59,"az":28.6,"t":"2040-05-17T22:00:00Z","terrain":1.08},{"above_terrain":false,"airmass":25.9,"alt":1.05,"az":29.4,"t":"2040-05-17T22:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":22.36,"alt":1.51,"az":30.2,"t":"2040-05-17T22:10:00Z","terrain":1.19},{"above_terrain":true,"airmass":19.49,"alt":1.99,"az":31.0,"t":"2040-05-17T22:15:00Z","terrain":1.31},{"above_terrain":true,"airmass":17.15,"alt":2.48,"az":31.8,"t":"2040-05-17T22:20:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.23,"alt":2.98,"az":32.6,"t":"2040-05-17T22:25:00Z","terrain":1.11},{"above_terrain":true,"airmass":13.63,"alt":3.49,"az":33.4,"t":"2040-05-17T22:30:00Z","terrain":0.75},{"above_terrain":true,"airmass":12.28,"alt":4.01,"az":34.2,"t":"2040-05-17T22:35:00Z","terrain":0.35},{"above_terrain":true,"airmass":11.14,"alt":4.54,"az":35.0,"t":"2040-05-17T22:40:00Z","terrain":0.05},{"above_terrain":true,"airmass":10.17,"alt":5.08,"az":35.8,"t":"2040-05-17T22:45:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.33,"alt":5.63,"az":36.5,"t":"2040-05-17T22:50:00Z","terrain":-0.03},{"above_terrain":true,"airmass":8.6,"alt":6.2,"az":37.3,"t":"2040-05-17T22:55:00Z","terrain":-0.12},{"above_terrain":true,"airmass":7.96,"alt":6.77,"az":38.0,"t":"2040-05-17T23:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.4,"alt":7.35,"az":38.8,"t":"2040-05-17T23:05:00Z","terrain":-0.17},{"above_terrain":true,"airmass":6.9,"alt":7.94,"az":39.5,"t":"2040-05-17T23:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":6.46,"alt":8.54,"az":40.2,"t":"2040-05-17T23:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":6.07,"alt":9.15,"az":41.0,"t":"2040-05-17T23:20:00Z","terrain":0.02},{"above_terrain":true,"airmass":5.71,"alt":9.77,"az":41.7,"t":"2040-05-17T23:25:00Z","terrain":0.09},{"above_terrain":true,"airmass":5.39,"alt":10.39,"az":42.4,"t":"2040-05-17T23:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":5.1,"alt":11.03,"az":43.1,"t":"2040-05-17T23:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.83,"alt":11.67,"az":43.8,"t":"2040-05-17T23:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":4.59,"alt":12.32,"az":44.5,"t":"2040-05-17T23:45:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.37,"alt":12.98,"az":45.2,"t":"2040-05-17T23:50:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.17,"alt":13.65,"az":45.8,"t":"2040-05-17T23:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.98,"alt":14.33,"az":46.5,"t":"2040-05-18T00:00:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.81,"alt":15.01,"az":47.2,"t":"2040-05-18T00:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.65,"alt":15.7,"az":47.8,"t":"2040-05-18T00:10:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.5,"alt":16.4,"az":48.5,"t":"2040-05-18T00:15:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.37,"alt":17.1,"az":49.1,"t":"2040-05-18T00:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.24,"alt":17.81,"az":49.8,"t":"2040-05-18T00:25:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.12,"alt":18.53,"az":50.4,"t":"2040-05-18T00:30:00Z","terrain":0.45},{"above_terrain":true,"airmass":3.01,"alt":19.26,"az":51.1,"t":"2040-05-18T00:35:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.9,"alt":19.99,"az":51.7,"t":"2040-05-18T00:40:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.81,"alt":20.72,"az":52.3,"t":"2040-05-18T00:45:00Z","terrain":0.69},{"above_terrain":true,"airmass":2.72,"alt":21.47,"az":52.9,"t":"2040-05-18T00:50:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.63,"alt":22.22,"az":53.5,"t":"2040-05-18T00:55:00Z","terrain":0.92},{"above_terrain":true,"airmass":2.55,"alt":22.97,"az":54.1,"t":"2040-05-18T01:00:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.47,"alt":23.73,"az":54.7,"t":"2040-05-18T01:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.4,"alt":24.5,"az":55.3,"t":"2040-05-18T01:10:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.33,"alt":25.27,"az":55.9,"t":"2040-05-18T01:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.27,"alt":26.05,"az":56.5,"t":"2040-05-18T01:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.21,"alt":26.83,"az":57.1,"t":"2040-05-18T01:25:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.15,"alt":27.62,"az":57.6,"t":"2040-05-18T01:30:00Z","terrain":1.19},{"above_terrain":true,"airmass":2.09,"alt":28.42,"az":58.2,"t":"2040-05-18T01:35:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.04,"alt":29.21,"az":58.8,"t":"2040-05-18T01:40:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.99,"alt":30.02,"az":59.3,"t":"2040-05-18T01:45:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.95,"alt":30.82,"az":59.9,"t":"2040-05-18T01:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.9,"alt":31.64,"az":60.4,"t":"2040-05-18T01:55:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.86,"alt":32.45,"az":61.0,"t":"2040-05-18T02:00:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.82,"alt":33.27,"az":61.5,"t":"2040-05-18T02:05:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.78,"alt":34.1,"az":62.1,"t":"2040-05-18T02:10:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.74,"alt":34.93,"az":62.6,"t":"2040-05-18T02:15:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.71,"alt":35.76,"az":63.1,"t":"2040-05-18T02:20:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.67,"alt":36.6,"az":63.7,"t":"2040-05-18T02:25:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.64,"alt":37.44,"az":64.2,"t":"2040-05-18T02:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.61,"alt":38.28,"az":64.7,"t":"2040-05-18T02:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.58,"alt":39.13,"az":65.2,"t":"2040-05-18T02:40:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.55,"alt":39.98,"az":65.7,"t":"2040-05-18T02:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.53,"alt":40.84,"az":66.2,"t":"2040-05-18T02:50:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.5,"alt":41.69,"az":66.8,"t":"2040-05-18T02:55:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.48,"alt":42.56,"az":67.3,"t":"2040-05-18T03:00:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.45,"alt":43.42,"az":67.8,"t":"2040-05-18T03:05:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.43,"alt":44.29,"az":68.3,"t":"2040-05-18T03:10:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.41,"alt":45.16,"az":68.7,"t":"2040-05-18T03:15:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.39,"alt":46.03,"az":69.2,"t":"2040-05-18T03:20:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.37,"alt":46.91,"az":69.7,"t":"2040-05-18T03:25:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.35,"alt":47.79,"az":70.2,"t":"2040-05-18T03:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.33,"alt":48.67,"az":70.7,"t":"2040-05-18T03:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.31,"alt":49.56,"az":71.2,"t":"2040-05-18T03:40:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.3,"alt":50.44,"az":71.7,"t":"2040-05-18T03:45:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.28,"alt":51.33,"az":72.1,"t":"2040-05-18T03:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.26,"alt":52.22,"az":72.6,"t":"2040-05-18T03:55:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.25,"alt":53.12,"az":73.1,"t":"2040-05-18T04:00:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.23,"alt":54.01,"az":73.5,"t":"2040-05-18T04:05:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.22,"alt":54.91,"az":74.0,"t":"2040-05-18T04:10:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.21,"alt":55.81,"az":74.5,"t":"2040-05-18T04:15:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.2,"alt":56.72,"az":74.9,"t":"2040-05-18T04:20:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.18,"alt":57.62,"az":75.4,"t":"2040-05-18T04:25:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.17,"alt":58.53,"az":75.9,"t":"2040-05-18T04:30:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.16,"alt":59.44,"az":76.3,"t":"2040-05-18T04:35:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.35,"az":76.8,"t":"2040-05-18T04:40:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.14,"alt":61.26,"az":77.2,"t":"2040-05-18T04:45:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.13,"alt":62.17,"az":77.7,"t":"2040-05-18T04:50:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.12,"alt":63.09,"az":78.2,"t":"2040-05-18T04:55:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.11,"alt":64.01,"az":78.6,"t":"2040-05-18T05:00:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.1,"alt":64.92,"az":79.1,"t":"2040-05-18T05:05:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.1,"alt":65.84,"az":79.5,"t":"2040-05-18T05:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.09,"alt":66.76,"az":80.0,"t":"2040-05-18T05:15:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.08,"alt":67.69,"az":80.4,"t":"2040-05-18T05:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.07,"alt":68.61,"az":80.9,"t":"2040-05-18T05:25:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.07,"alt":69.53,"az":81.3,"t":"2040-05-18T05:30:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.06,"alt":70.46,"az":81.8,"t":"2040-05-18T05:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.05,"alt":71.39,"az":82.3,"t":"2040-05-18T05:40:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.05,"alt":72.32,"az":82.7,"t":"2040-05-18T05:45:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.04,"alt":73.24,"az":83.2,"t":"2040-05-18T05:50:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.04,"alt":74.17,"az":83.6,"t":"2040-05-18T05:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.03,"alt":75.1,"az":84.1,"t":"2040-05-18T06:00:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.03,"alt":76.04,"az":84.6,"t":"2040-05-18T06:05:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.03,"alt":76.97,"az":85.1,"t":"2040-05-18T06:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.02,"alt":77.9,"az":85.6,"t":"2040-05-18T06:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.02,"alt":78.83,"az":86.1,"t":"2040-05-18T06:20:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.02,"alt":79.77,"az":86.6,"t":"2040-05-18T06:25:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.01,"alt":80.7,"az":87.1,"t":"2040-05-18T06:30:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.01,"alt":81.64,"az":87.7,"t":"2040-05-18T06:35:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.01,"alt":82.57,"az":88.3,"t":"2040-05-18T06:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.01,"alt":83.51,"az":88.9,"t":"2040-05-18T06:45:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.0,"alt":84.44,"az":89.6,"t":"2040-05-18T06:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":85.38,"az":90.5,"t":"2040-05-18T06:55:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.0,"alt":86.32,"az":91.5,"t":"2040-05-18T07:00:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.0,"alt":87.25,"az":93.0,"t":"2040-05-18T07:05:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.0,"alt":88.19,"az":95.6,"t":"2040-05-18T07:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":89.11,"az":102.8,"t":"2040-05-18T07:15:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.0,"alt":89.78,"az":199.4,"t":"2040-05-18T07:20:00Z","terrain":-0.3},{"above_terrain":true,"airmass":1.0,"alt":88.97,"az":259.0,"t":"2040-05-18T07:25:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.0,"alt":88.04,"az":264.9,"t":"2040-05-18T07:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.0,"alt":87.11,"az":267.2,"t":"2040-05-18T07:35:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.0,"alt":86.17,"az":268.6,"t":"2040-05-18T07:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.0,"alt":85.24,"az":269.7,"t":"2040-05-18T07:45:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.0,"alt":84.3,"az":270.5,"t":"2040-05-18T07:50:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.01,"alt":83.37,"az":271.2,"t":"2040-05-18T07:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.01,"alt":82.43,"az":271.8,"t":"2040-05-18T08:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.01,"alt":81.5,"az":272.4,"t":"2040-05-18T08:05:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.01,"alt":80.56,"az":273.0,"t":"2040-05-18T08:10:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.02,"alt":79.63,"az":273.5,"t":"2040-05-18T08:15:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.02,"alt":78.69,"az":274.0,"t":"2040-05-18T08:20:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.02,"alt":77.76,"az":274.5,"t":"2040-05-18T08:25:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.03,"alt":76.83,"az":275.0,"t":"2040-05-18T08:30:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.03,"alt":75.89,"az":275.5,"t":"2040-05-18T08:35:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.04,"alt":74.96,"az":276.0,"t":"2040-05-18T08:40:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.04,"alt":74.03,"az":276.4,"t":"2040-05-18T08:45:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.04,"alt":73.1,"az":276.9,"t":"2040-05-18T08:50:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.05,"alt":72.17,"az":277.4,"t":"2040-05-18T08:55:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.06,"alt":71.25,"az":277.8,"t":"2040-05-18T09:00:00Z","terrain":-0.09}],"transit":{"airmass":1.0,"alt":89.8,"az":199.4,"t":"2040-05-18T07:20:00Z"},"usable_hours":0.33,"verdict":"poor","zenith_passage":true},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}