{"assessment":{"best_window":{"end":"2031-05-17T01:50Z","end_local":"04:50","hours":0.33,"label":"marginal","mean_quality":0.33,"start":"2031-05-17T01:30Z","start_local":"04:30"},"cost":{"altitude":6.02,"clouds":0.0,"darkness":1.13,"moon":0.03},"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":-4,"cloud":null,"high":null,"iso":"2031-05-16T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-43,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2031-05-16T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-44,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2031-05-16T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-41,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2031-05-16T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-35,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":0,"cloud":null,"high":null,"iso":"2031-05-16T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-27,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":6,"cloud":null,"high":null,"iso":"2031-05-16T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":13,"cloud":null,"high":null,"iso":"2031-05-17T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-8,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2031-05-17T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":3,"precip":null,"q":0.44,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":31,"cloud":null,"high":null,"iso":"2031-05-17T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":14,"precip":null,"q":0.11,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null}],"peak_quality":0.44,"peak_sky":0.44,"quality_hours":0.4,"reasons":["the target being low or below 20\u00b0 cost 6.0 quality-hours","daylight and twilight cost 1.1 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":4,"score_weather":null,"sky_hours":0.4,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2031-05-17T00:50Z","end_local":"03:50","hours":7.33,"label":"unusable","mean_quality":0.0,"start":"2031-05-16T17:30Z","start_local":"20:30"},{"end":"2031-05-17T01:05Z","end_local":"04:05","hours":0.25,"label":"marginal","mean_quality":0.42,"start":"2031-05-17T00:50Z","start_local":"03:50"},{"end":"2031-05-17T01:30Z","end_local":"04:30","hours":0.42,"label":"poor","mean_quality":0.26,"start":"2031-05-17T01:05Z","start_local":"04:05"},{"end":"2031-05-17T01:50Z","end_local":"04:50","hours":0.33,"label":"marginal","mean_quality":0.33,"start":"2031-05-17T01:30Z","start_local":"04:30"},{"end":"2031-05-17T02:30Z","end_local":"05:30","hours":0.67,"label":"poor","mean_quality":0.11,"start":"2031-05-17T01:50Z","start_local":"04:50"},{"end":"2031-05-17T03:00Z","end_local":"06:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2031-05-17T02:30Z","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":"2031-05-16T19:31:12Z","dark_hours":5.54,"dark_to":"2031-05-17T01:03:21Z","moon":{"illumination":0.185,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":5.17,"moonrise":"2031-05-17T00:42:47Z","moonset":"2031-05-16T12:45:56Z","sunrise":"2031-05-17T02:59:55Z","sunset":"2031-05-16T17:34:36Z","twilight":{"astronomical":{"end":"2031-05-16T19:31:12Z","start":"2031-05-17T01:03:21Z"},"civil":{"end":"2031-05-16T18:06:29Z","start":"2031-05-17T02:28:03Z"},"nautical":{"end":"2031-05-16T18:46:17Z","start":"2031-05-17T01:48:15Z"}},"window_end":"2031-05-17T09:00:00Z","window_start":"2031-05-16T09:00:00Z"},"night_date":"2031-05-16","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":2.66,"alt":21.9,"t":"2031-05-17T01:00:00Z"},"dec":41.26875,"dec_of_date":41.4402,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":0,"limit_rise":"2031-05-17T00:46:57Z","limit_set":"2031-05-16T14:09:31Z","max_az_rate_deg_per_min":22.81,"moon_separation":36.0,"never_rises":false,"ra":10.68470833,"ra_of_date":11.1157,"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 0.2 h above 20\u00b0 in darkness \u2014 barely observable tonight.","terrain":{"available":true,"behind_at":"2031-05-16T16:57:36Z","blocked_dark_hours":0,"clears_at":"2031-05-16T22:12:33Z","rise_az":276.7},"track":[{"above_terrain":true,"airmass":1.04,"alt":73.21,"az":276.7,"t":"2031-05-16T09:00:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.05,"alt":72.28,"az":277.1,"t":"2031-05-16T09:05:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.05,"alt":71.35,"az":277.6,"t":"2031-05-16T09:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.06,"alt":70.42,"az":278.1,"t":"2031-05-16T09:15:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.07,"alt":69.5,"az":278.5,"t":"2031-05-16T09:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.07,"alt":68.57,"az":279.0,"t":"2031-05-16T09:25:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.08,"alt":67.65,"az":279.5,"t":"2031-05-16T09:30:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.09,"alt":66.72,"az":279.9,"t":"2031-05-16T09:35:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.1,"alt":65.8,"az":280.4,"t":"2031-05-16T09:40:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.1,"alt":64.88,"az":280.8,"t":"2031-05-16T09:45:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.11,"alt":63.96,"az":281.3,"t":"2031-05-16T09:50:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.12,"alt":63.05,"az":281.8,"t":"2031-05-16T09:55:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.13,"alt":62.13,"az":282.2,"t":"2031-05-16T10:00:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.14,"alt":61.22,"az":282.7,"t":"2031-05-16T10:05:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.15,"alt":60.31,"az":283.1,"t":"2031-05-16T10:10:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.16,"alt":59.39,"az":283.6,"t":"2031-05-16T10:15:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.17,"alt":58.49,"az":284.1,"t":"2031-05-16T10:20:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.18,"alt":57.58,"az":284.5,"t":"2031-05-16T10:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.2,"alt":56.67,"az":285.0,"t":"2031-05-16T10:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.77,"az":285.5,"t":"2031-05-16T10:35:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.22,"alt":54.87,"az":285.9,"t":"2031-05-16T10:40:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.24,"alt":53.97,"az":286.4,"t":"2031-05-16T10:45:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.25,"alt":53.07,"az":286.9,"t":"2031-05-16T10:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.26,"alt":52.18,"az":287.3,"t":"2031-05-16T10:55:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.28,"alt":51.29,"az":287.8,"t":"2031-05-16T11:00:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.3,"alt":50.4,"az":288.3,"t":"2031-05-16T11:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.31,"alt":49.51,"az":288.8,"t":"2031-05-16T11:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.33,"alt":48.62,"az":289.2,"t":"2031-05-16T11:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.35,"alt":47.74,"az":289.7,"t":"2031-05-16T11:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.37,"alt":46.86,"az":290.2,"t":"2031-05-16T11:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.39,"alt":45.99,"az":290.7,"t":"2031-05-16T11:30:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.41,"alt":45.11,"az":291.2,"t":"2031-05-16T11:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.43,"alt":44.24,"az":291.7,"t":"2031-05-16T11:40:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.45,"alt":43.37,"az":292.2,"t":"2031-05-16T11:45:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.48,"alt":42.51,"az":292.7,"t":"2031-05-16T11:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.5,"alt":41.65,"az":293.2,"t":"2031-05-16T11:55:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.53,"alt":40.79,"az":293.7,"t":"2031-05-16T12:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.56,"alt":39.93,"az":294.2,"t":"2031-05-16T12:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.58,"alt":39.08,"az":294.7,"t":"2031-05-16T12:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.61,"alt":38.23,"az":295.3,"t":"2031-05-16T12:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.64,"alt":37.39,"az":295.8,"t":"2031-05-16T12:20:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.68,"alt":36.55,"az":296.3,"t":"2031-05-16T12:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.71,"alt":35.71,"az":296.8,"t":"2031-05-16T12:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.75,"alt":34.88,"az":297.4,"t":"2031-05-16T12:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.78,"alt":34.05,"az":297.9,"t":"2031-05-16T12:40:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.82,"alt":33.22,"az":298.4,"t":"2031-05-16T12:45:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.86,"alt":32.4,"az":299.0,"t":"2031-05-16T12:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.9,"alt":31.58,"az":299.5,"t":"2031-05-16T12:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.95,"alt":30.77,"az":300.1,"t":"2031-05-16T13:00:00Z","terrain":0.37},{"above_terrain":true,"airmass":2.0,"alt":29.96,"az":300.6,"t":"2031-05-16T13:05:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.05,"alt":29.16,"az":301.2,"t":"2031-05-16T13:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.1,"alt":28.36,"az":301.8,"t":"2031-05-16T13:15:00Z","terrain":0.14},{"above_terrain":true,"airmass":2.15,"alt":27.57,"az":302.3,"t":"2031-05-16T13:20:00Z","terrain":-0.02},{"above_terrain":true,"airmass":2.21,"alt":26.78,"az":302.9,"t":"2031-05-16T13:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":2.27,"alt":26.0,"az":303.5,"t":"2031-05-16T13:30:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.34,"alt":25.22,"az":304.1,"t":"2031-05-16T13:35:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.41,"alt":24.45,"az":304.7,"t":"2031-05-16T13:40:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.48,"alt":23.68,"az":305.3,"t":"2031-05-16T13:45:00Z","terrain":-0.26},{"above_terrain":true,"airmass":2.55,"alt":22.92,"az":305.9,"t":"2031-05-16T13:50:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.64,"alt":22.16,"az":306.5,"t":"2031-05-16T13:55:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.72,"alt":21.41,"az":307.1,"t":"2031-05-16T14:00:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.81,"alt":20.67,"az":307.7,"t":"2031-05-16T14:05:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.91,"alt":19.93,"az":308.3,"t":"2031-05-16T14:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.02,"alt":19.2,"az":308.9,"t":"2031-05-16T14:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.13,"alt":18.47,"az":309.6,"t":"2031-05-16T14:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.25,"alt":17.76,"az":310.2,"t":"2031-05-16T14:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.38,"alt":17.05,"az":310.8,"t":"2031-05-16T14:30:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.52,"alt":16.34,"az":311.5,"t":"2031-05-16T14:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.66,"alt":15.64,"az":312.1,"t":"2031-05-16T14:40:00Z","terrain":0.16},{"above_terrain":true,"airmass":3.82,"alt":14.95,"az":312.8,"t":"2031-05-16T14:45:00Z","terrain":0.24},{"above_terrain":true,"airmass":4.0,"alt":14.27,"az":313.5,"t":"2031-05-16T14:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":4.19,"alt":13.59,"az":314.1,"t":"2031-05-16T14:55:00Z","terrain":0.48},{"above_terrain":true,"airmass":4.39,"alt":12.93,"az":314.8,"t":"2031-05-16T15:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":4.61,"alt":12.27,"az":315.5,"t":"2031-05-16T15:05:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.86,"alt":11.61,"az":316.2,"t":"2031-05-16T15:10:00Z","terrain":0.44},{"above_terrain":true,"airmass":5.12,"alt":10.97,"az":316.9,"t":"2031-05-16T15:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.42,"alt":10.34,"az":317.6,"t":"2031-05-16T15:20:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.74,"alt":9.71,"az":318.3,"t":"2031-05-16T15:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":6.1,"alt":9.09,"az":319.0,"t":"2031-05-16T15:30:00Z","terrain":-0.14},{"above_terrain":true,"airmass":6.5,"alt":8.48,"az":319.8,"t":"2031-05-16T15:35:00Z","terrain":-0.19},{"above_terrain":true,"airmass":6.95,"alt":7.88,"az":320.5,"t":"2031-05-16T15:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.45,"alt":7.29,"az":321.2,"t":"2031-05-16T15:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":8.02,"alt":6.71,"az":322.0,"t":"2031-05-16T15:50:00Z","terrain":0.2},{"above_terrain":true,"airmass":8.67,"alt":6.14,"az":322.7,"t":"2031-05-16T15:55:00Z","terrain":0.12},{"above_terrain":true,"airmass":9.41,"alt":5.58,"az":323.5,"t":"2031-05-16T16:00:00Z","terrain":-0.06},{"above_terrain":true,"airmass":10.27,"alt":5.02,"az":324.2,"t":"2031-05-16T16:05:00Z","terrain":-0.21},{"above_terrain":true,"airmass":11.26,"alt":4.48,"az":325.0,"t":"2031-05-16T16:10:00Z","terrain":-0.19},{"above_terrain":true,"airmass":12.42,"alt":3.95,"az":325.8,"t":"2031-05-16T16:15:00Z","terrain":-0.23},{"above_terrain":true,"airmass":13.79,"alt":3.43,"az":326.6,"t":"2031-05-16T16:20:00Z","terrain":-0.33},{"above_terrain":true,"airmass":15.43,"alt":2.92,"az":327.4,"t":"2031-05-16T16:25:00Z","terrain":-0.33},{"above_terrain":true,"airmass":17.4,"alt":2.42,"az":328.2,"t":"2031-05-16T16:30:00Z","terrain":-0.21},{"above_terrain":true,"airmass":19.81,"alt":1.93,"az":329.0,"t":"2031-05-16T16:35:00Z","terrain":-0.13},{"above_terrain":true,"airmass":22.76,"alt":1.45,"az":329.8,"t":"2031-05-16T16:40:00Z","terrain":-0.3},{"above_terrain":true,"airmass":26.41,"alt":0.99,"az":330.6,"t":"2031-05-16T16:45:00Z","terrain":-0.37},{"above_terrain":true,"airmass":30.95,"alt":0.53,"az":331.4,"t":"2031-05-16T16:50:00Z","terrain":-0.29},{"above_terrain":true,"airmass":36.57,"alt":0.09,"az":332.2,"t":"2031-05-16T16:55:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-0.34,"az":333.1,"t":"2031-05-16T17:00:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.75,"az":333.9,"t":"2031-05-16T17:05:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-1.16,"az":334.8,"t":"2031-05-16T17:10:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-1.55,"az":335.6,"t":"2031-05-16T17:15:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-1.93,"az":336.5,"t":"2031-05-16T17:20:00Z","terrain":-0.78},{"above_terrain":false,"airmass":null,"alt":-2.3,"az":337.3,"t":"2031-05-16T17:25:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-2.65,"az":338.2,"t":"2031-05-16T17:30:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-2.99,"az":339.1,"t":"2031-05-16T17:35:00Z","terrain":-0.73},{"above_terrain":false,"airmass":null,"alt":-3.32,"az":340.0,"t":"2031-05-16T17:40:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-3.64,"az":340.9,"t":"2031-05-16T17:45:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-3.94,"az":341.8,"t":"2031-05-16T17:50:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-4.22,"az":342.6,"t":"2031-05-16T17:55:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-4.49,"az":343.6,"t":"2031-05-16T18:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.75,"az":344.5,"t":"2031-05-16T18:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-5.0,"az":345.4,"t":"2031-05-16T18:10:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-5.22,"az":346.3,"t":"2031-05-16T18:15:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-5.44,"az":347.2,"t":"2031-05-16T18:20:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-5.64,"az":348.1,"t":"2031-05-16T18:25:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-5.82,"az":349.0,"t":"2031-05-16T18:30:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-5.99,"az":350.0,"t":"2031-05-16T18:35:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.15,"az":350.9,"t":"2031-05-16T18:40:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.29,"az":351.8,"t":"2031-05-16T18:45:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-6.42,"az":352.8,"t":"2031-05-16T18:50:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-6.53,"az":353.7,"t":"2031-05-16T18:55:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-6.62,"az":354.7,"t":"2031-05-16T19:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.7,"az":355.6,"t":"2031-05-16T19:05:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-6.76,"az":356.5,"t":"2031-05-16T19:10:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.81,"az":357.5,"t":"2031-05-16T19:15:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-6.85,"az":358.4,"t":"2031-05-16T19:20:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":359.4,"t":"2031-05-16T19:25:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":0.3,"t":"2031-05-16T19:30:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-6.85,"az":1.3,"t":"2031-05-16T19:35:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-6.82,"az":2.2,"t":"2031-05-16T19:40:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":3.2,"t":"2031-05-16T19:45:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-6.72,"az":4.1,"t":"2031-05-16T19:50:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-6.65,"az":5.1,"t":"2031-05-16T19:55:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-6.56,"az":6.0,"t":"2031-05-16T20:00:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-6.45,"az":6.9,"t":"2031-05-16T20:05:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-6.33,"az":7.9,"t":"2031-05-16T20:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.19,"az":8.8,"t":"2031-05-16T20:15:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-6.04,"az":9.7,"t":"2031-05-16T20:20:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-5.88,"az":10.7,"t":"2031-05-16T20:25:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-5.7,"az":11.6,"t":"2031-05-16T20:30:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-5.5,"az":12.5,"t":"2031-05-16T20:35:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-5.29,"az":13.4,"t":"2031-05-16T20:40:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-5.07,"az":14.4,"t":"2031-05-16T20:45:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-4.83,"az":15.3,"t":"2031-05-16T20:50:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-4.57,"az":16.2,"t":"2031-05-16T20:55:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-4.3,"az":17.1,"t":"2031-05-16T21:00:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-4.02,"az":18.0,"t":"2031-05-16T21:05:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-3.73,"az":18.9,"t":"2031-05-16T21:10:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-3.42,"az":19.8,"t":"2031-05-16T21:15:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-3.09,"az":20.6,"t":"2031-05-16T21:20:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-2.76,"az":21.5,"t":"2031-05-16T21:25:00Z","terrain":0.85},{"above_terrain":false,"airmass":null,"alt":-2.41,"az":22.4,"t":"2031-05-16T21:30:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-2.04,"az":23.3,"t":"2031-05-16T21:35:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-1.67,"az":24.1,"t":"2031-05-16T21:40:00Z","terrain":0.96},{"above_terrain":false,"airmass":null,"alt":-1.28,"az":25.0,"t":"2031-05-16T21:45:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-0.88,"az":25.8,"t":"2031-05-16T21:50:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.46,"az":26.7,"t":"2031-05-16T21:55:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-0.04,"az":27.5,"t":"2031-05-16T22:00:00Z","terrain":1.23},{"above_terrain":false,"airmass":32.51,"alt":0.4,"az":28.3,"t":"2031-05-16T22:05:00Z","terrain":1.12},{"above_terrain":false,"airmass":27.66,"alt":0.85,"az":29.2,"t":"2031-05-16T22:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":23.77,"alt":1.31,"az":30.0,"t":"2031-05-16T22:15:00Z","terrain":1.15},{"above_terrain":true,"airmass":20.62,"alt":1.79,"az":30.8,"t":"2031-05-16T22:20:00Z","terrain":1.28},{"above_terrain":true,"airmass":18.07,"alt":2.27,"az":31.6,"t":"2031-05-16T22:25:00Z","terrain":1.32},{"above_terrain":true,"airmass":15.98,"alt":2.77,"az":32.4,"t":"2031-05-16T22:30:00Z","terrain":1.19},{"above_terrain":true,"airmass":14.25,"alt":3.28,"az":33.2,"t":"2031-05-16T22:35:00Z","terrain":0.88},{"above_terrain":true,"airmass":12.81,"alt":3.79,"az":34.0,"t":"2031-05-16T22:40:00Z","terrain":0.44},{"above_terrain":true,"airmass":11.59,"alt":4.32,"az":34.8,"t":"2031-05-16T22:45:00Z","terrain":0.14},{"above_terrain":true,"airmass":10.55,"alt":4.86,"az":35.5,"t":"2031-05-16T22:50:00Z","terrain":0.04},{"above_terrain":true,"airmass":9.65,"alt":5.41,"az":36.3,"t":"2031-05-16T22:55:00Z","terrain":-0.01},{"above_terrain":true,"airmass":8.88,"alt":5.97,"az":37.1,"t":"2031-05-16T23:00:00Z","terrain":-0.1},{"above_terrain":true,"airmass":8.21,"alt":6.54,"az":37.8,"t":"2031-05-16T23:05:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.62,"alt":7.12,"az":38.6,"t":"2031-05-16T23:10:00Z","terrain":-0.18},{"above_terrain":true,"airmass":7.09,"alt":7.7,"az":39.3,"t":"2031-05-16T23:15:00Z","terrain":-0.13},{"above_terrain":true,"airmass":6.63,"alt":8.3,"az":40.0,"t":"2031-05-16T23:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":6.22,"alt":8.91,"az":40.8,"t":"2031-05-16T23:25:00Z","terrain":0.0},{"above_terrain":true,"airmass":5.84,"alt":9.52,"az":41.5,"t":"2031-05-16T23:30:00Z","terrain":0.07},{"above_terrain":true,"airmass":5.51,"alt":10.15,"az":42.2,"t":"2031-05-16T23:35:00Z","terrain":0.14},{"above_terrain":true,"airmass":5.21,"alt":10.78,"az":42.9,"t":"2031-05-16T23:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":4.93,"alt":11.42,"az":43.6,"t":"2031-05-16T23:45:00Z","terrain":0.34},{"above_terrain":true,"airmass":4.68,"alt":12.07,"az":44.3,"t":"2031-05-16T23:50:00Z","terrain":0.46},{"above_terrain":true,"airmass":4.45,"alt":12.73,"az":45.0,"t":"2031-05-16T23:55:00Z","terrain":0.58},{"above_terrain":true,"airmass":4.25,"alt":13.39,"az":45.7,"t":"2031-05-17T00:00:00Z","terrain":0.64},{"above_terrain":true,"airmass":4.05,"alt":14.07,"az":46.3,"t":"2031-05-17T00:05:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.87,"alt":14.75,"az":47.0,"t":"2031-05-17T00:10:00Z","terrain":0.61},{"above_terrain":true,"airmass":3.71,"alt":15.44,"az":47.7,"t":"2031-05-17T00:15:00Z","terrain":0.56},{"above_terrain":true,"airmass":3.56,"alt":16.13,"az":48.3,"t":"2031-05-17T00:20:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.42,"alt":16.83,"az":49.0,"t":"2031-05-17T00:25:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.29,"alt":17.54,"az":49.6,"t":"2031-05-17T00:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.16,"alt":18.26,"az":50.3,"t":"2031-05-17T00:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.05,"alt":18.98,"az":50.9,"t":"2031-05-17T00:40:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.94,"alt":19.71,"az":51.5,"t":"2031-05-17T00:45:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.84,"alt":20.45,"az":52.1,"t":"2031-05-17T00:50:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.75,"alt":21.19,"az":52.8,"t":"2031-05-17T00:55:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.66,"alt":21.94,"az":53.4,"t":"2031-05-17T01:00:00Z","terrain":0.9},{"above_terrain":true,"airmass":2.58,"alt":22.69,"az":54.0,"t":"2031-05-17T01:05:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.5,"alt":23.45,"az":54.6,"t":"2031-05-17T01:10:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.43,"alt":24.22,"az":55.2,"t":"2031-05-17T01:15:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.36,"alt":24.99,"az":55.8,"t":"2031-05-17T01:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.29,"alt":25.76,"az":56.3,"t":"2031-05-17T01:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.23,"alt":26.55,"az":56.9,"t":"2031-05-17T01:30:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.17,"alt":27.33,"az":57.5,"t":"2031-05-17T01:35:00Z","terrain":1.16},{"above_terrain":true,"airmass":2.11,"alt":28.12,"az":58.1,"t":"2031-05-17T01:40:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.06,"alt":28.92,"az":58.6,"t":"2031-05-17T01:45:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.01,"alt":29.72,"az":59.2,"t":"2031-05-17T01:50:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.96,"alt":30.53,"az":59.8,"t":"2031-05-17T01:55:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.92,"alt":31.34,"az":60.3,"t":"2031-05-17T02:00:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.87,"alt":32.16,"az":60.9,"t":"2031-05-17T02:05:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.83,"alt":32.98,"az":61.4,"t":"2031-05-17T02:10:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.79,"alt":33.8,"az":61.9,"t":"2031-05-17T02:15:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.76,"alt":34.63,"az":62.5,"t":"2031-05-17T02:20:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.72,"alt":35.46,"az":63.0,"t":"2031-05-17T02:25:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.69,"alt":36.3,"az":63.5,"t":"2031-05-17T02:30:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.65,"alt":37.13,"az":64.1,"t":"2031-05-17T02:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.62,"alt":37.98,"az":64.6,"t":"2031-05-17T02:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.59,"alt":38.83,"az":65.1,"t":"2031-05-17T02:45:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.56,"alt":39.68,"az":65.6,"t":"2031-05-17T02:50:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.54,"alt":40.53,"az":66.1,"t":"2031-05-17T02:55:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.51,"alt":41.39,"az":66.6,"t":"2031-05-17T03:00:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.49,"alt":42.25,"az":67.2,"t":"2031-05-17T03:05:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.46,"alt":43.11,"az":67.7,"t":"2031-05-17T03:10:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.44,"alt":43.98,"az":68.2,"t":"2031-05-17T03:15:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.42,"alt":44.85,"az":68.6,"t":"2031-05-17T03:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.4,"alt":45.72,"az":69.1,"t":"2031-05-17T03:25:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.37,"alt":46.6,"az":69.6,"t":"2031-05-17T03:30:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.36,"alt":47.48,"az":70.1,"t":"2031-05-17T03:35:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.34,"alt":48.36,"az":70.6,"t":"2031-05-17T03:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.32,"alt":49.24,"az":71.1,"t":"2031-05-17T03:45:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.3,"alt":50.13,"az":71.6,"t":"2031-05-17T03:50:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.29,"alt":51.02,"az":72.0,"t":"2031-05-17T03:55:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.27,"alt":51.91,"az":72.5,"t":"2031-05-17T04:00:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.25,"alt":52.81,"az":73.0,"t":"2031-05-17T04:05:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.24,"alt":53.7,"az":73.5,"t":"2031-05-17T04:10:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.23,"alt":54.6,"az":73.9,"t":"2031-05-17T04:15:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.21,"alt":55.5,"az":74.4,"t":"2031-05-17T04:20:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.2,"alt":56.4,"az":74.9,"t":"2031-05-17T04:25:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.19,"alt":57.31,"az":75.3,"t":"2031-05-17T04:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.18,"alt":58.21,"az":75.8,"t":"2031-05-17T04:35:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.16,"alt":59.12,"az":76.3,"t":"2031-05-17T04:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.03,"az":76.7,"t":"2031-05-17T04:45:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.14,"alt":60.94,"az":77.2,"t":"2031-05-17T04:50:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.13,"alt":61.86,"az":77.6,"t":"2031-05-17T04:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.12,"alt":62.77,"az":78.1,"t":"2031-05-17T05:00:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.11,"alt":63.69,"az":78.6,"t":"2031-05-17T05:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.11,"alt":64.61,"az":79.0,"t":"2031-05-17T05:10:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.1,"alt":65.53,"az":79.5,"t":"2031-05-17T05:15:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.09,"alt":66.45,"az":79.9,"t":"2031-05-17T05:20:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.08,"alt":67.37,"az":80.4,"t":"2031-05-17T05:25:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.08,"alt":68.29,"az":80.9,"t":"2031-05-17T05:30:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.07,"alt":69.22,"az":81.3,"t":"2031-05-17T05:35:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.06,"alt":70.14,"az":81.8,"t":"2031-05-17T05:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.06,"alt":71.07,"az":82.2,"t":"2031-05-17T05:45:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.05,"alt":72.0,"az":82.7,"t":"2031-05-17T05:50:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.05,"alt":72.93,"az":83.2,"t":"2031-05-17T05:55:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.04,"alt":73.86,"az":83.7,"t":"2031-05-17T06:00:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.04,"alt":74.79,"az":84.1,"t":"2031-05-17T06:05:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.03,"alt":75.72,"az":84.6,"t":"2031-05-17T06:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.03,"alt":76.65,"az":85.1,"t":"2031-05-17T06:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.02,"alt":77.59,"az":85.6,"t":"2031-05-17T06:20:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.02,"alt":78.52,"az":86.1,"t":"2031-05-17T06:25:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.02,"alt":79.45,"az":86.7,"t":"2031-05-17T06:30:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.01,"alt":80.39,"az":87.2,"t":"2031-05-17T06:35:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.01,"alt":81.32,"az":87.8,"t":"2031-05-17T06:40:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.01,"alt":82.26,"az":88.4,"t":"2031-05-17T06:45:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.01,"alt":83.19,"az":89.1,"t":"2031-05-17T06:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.0,"alt":84.13,"az":89.9,"t":"2031-05-17T06:55:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.0,"alt":85.07,"az":90.7,"t":"2031-05-17T07:00:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.0,"alt":86.0,"az":91.9,"t":"2031-05-17T07:05:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.0,"alt":86.94,"az":93.4,"t":"2031-05-17T07:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.0,"alt":87.87,"az":95.9,"t":"2031-05-17T07:15:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.0,"alt":88.8,"az":101.6,"t":"2031-05-17T07:20:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.0,"alt":89.65,"az":136.3,"t":"2031-05-17T07:25:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.0,"alt":89.26,"az":250.4,"t":"2031-05-17T07:30:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.0,"alt":88.35,"az":261.9,"t":"2031-05-17T07:35:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.0,"alt":87.41,"az":265.5,"t":"2031-05-17T07:40:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.0,"alt":86.48,"az":267.4,"t":"2031-05-17T07:45:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.0,"alt":85.55,"az":268.7,"t":"2031-05-17T07:50:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.0,"alt":84.61,"az":269.7,"t":"2031-05-17T07:55:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.01,"alt":83.67,"az":270.5,"t":"2031-05-17T08:00:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.01,"alt":82.74,"az":271.2,"t":"2031-05-17T08:05:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.01,"alt":81.8,"az":271.9,"t":"2031-05-17T08:10:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.01,"alt":80.87,"az":272.5,"t":"2031-05-17T08:15:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.02,"alt":79.93,"az":273.0,"t":"2031-05-17T08:20:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.02,"alt":79.0,"az":273.6,"t":"2031-05-17T08:25:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.02,"alt":78.06,"az":274.1,"t":"2031-05-17T08:30:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.03,"alt":77.13,"az":274.6,"t":"2031-05-17T08:35:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.03,"alt":76.2,"az":275.1,"t":"2031-05-17T08:40:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.03,"alt":75.27,"az":275.6,"t":"2031-05-17T08:45:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.04,"alt":74.33,"az":276.1,"t":"2031-05-17T08:50:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.04,"alt":73.4,"az":276.6,"t":"2031-05-17T08:55:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.05,"alt":72.48,"az":277.0,"t":"2031-05-17T09:00:00Z","terrain":-0.14}],"transit":{"airmass":1.0,"alt":89.7,"az":136.3,"t":"2031-05-17T07:25:00Z"},"usable_hours":0.25,"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."]}
