{"assessment":{"best_window":{"end":"2027-04-16T02:00Z","end_local":"05:00","hours":2.17,"label":"good","mean_quality":0.81,"start":"2027-04-15T23:50Z","start_local":"02:50"},"cost":{"altitude":5.59,"clouds":0.0,"darkness":1.31,"moon":0.09},"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 possible, with compromises \u2014 weather unknown","hourly":[{"alt":-25,"cloud":null,"high":null,"iso":"2027-04-15T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":59,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":-23,"cloud":null,"high":null,"iso":"2027-04-15T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":63,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":-19,"cloud":null,"high":null,"iso":"2027-04-15T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":61,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-12,"cloud":null,"high":null,"iso":"2027-04-15T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":54,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-3,"cloud":null,"high":null,"iso":"2027-04-15T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":45,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2027-04-15T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":35,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":17,"cloud":null,"high":null,"iso":"2027-04-15T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":28,"cloud":null,"high":null,"iso":"2027-04-16T00:00Z","label":"good","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.68,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":39,"cloud":null,"high":null,"iso":"2027-04-16T01:00Z","label":"good","low":null,"mid":null,"moon_alt":2,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2027-04-16T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-8,"precip":null,"q":0.47,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":61,"cloud":null,"high":null,"iso":"2027-04-16T03:00Z","label":"poor","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.93,"peak_sky":0.93,"quality_hours":2.4,"reasons":["the target being low or below 20\u00b0 cost 5.6 quality-hours","daylight and twilight cost 1.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":56,"score_weather":null,"sky_hours":2.4,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2027-04-15T23:20Z","end_local":"02:20","hours":6.33,"label":"unusable","mean_quality":0.0,"start":"2027-04-15T17:00Z","start_local":"20:00"},{"end":"2027-04-15T23:50Z","end_local":"02:50","hours":0.5,"label":"marginal","mean_quality":0.48,"start":"2027-04-15T23:20Z","start_local":"02:20"},{"end":"2027-04-16T02:00Z","end_local":"05:00","hours":2.17,"label":"good","mean_quality":0.81,"start":"2027-04-15T23:50Z","start_local":"02:50"},{"end":"2027-04-16T02:40Z","end_local":"05:40","hours":0.67,"label":"marginal","mean_quality":0.48,"start":"2027-04-16T02:00Z","start_local":"05:00"},{"end":"2027-04-16T03:15Z","end_local":"06:15","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2027-04-16T02:40Z","start_local":"05:40"},{"end":"2027-04-16T03:45Z","end_local":"06:45","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-04-16T03:15Z","start_local":"06:15"}]},"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":"2027-04-15T18:41:34Z","dark_hours":7.31,"dark_to":"2027-04-16T01:59:59Z","moon":{"illumination":0.718,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.82,"moonrise":"2027-04-15T11:02:10Z","moonset":"2027-04-16T01:09:43Z","sunrise":"2027-04-16T03:40:10Z","sunset":"2027-04-15T17:01:19Z","twilight":{"astronomical":{"end":"2027-04-15T18:41:34Z","start":"2027-04-16T01:59:59Z"},"civil":{"end":"2027-04-15T17:30:13Z","start":"2027-04-16T03:11:18Z"},"nautical":{"end":"2027-04-15T18:04:55Z","start":"2027-04-16T02:36:37Z"}},"window_end":"2027-04-16T09:00:00Z","window_start":"2027-04-15T09:00:00Z"},"night_date":"2027-04-15","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.31,"alt":49.6,"t":"2027-04-16T01:55:00Z"},"dec":22.71085365,"dec_of_date":22.7876,"dec_str":"+22\u00b0 42' 39.1\"","good_hours":1.83,"limit_rise":"2027-04-15T23:15:34Z","limit_set":"2027-04-15T10:21:21Z","max_az_rate_deg_per_min":0.71,"moon_separation":136.5,"never_rises":false,"ra":300.18213726,"ra_of_date":300.4768,"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 1.8 h above 30\u00b0, 2.7 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2027-04-15T12:15:06Z","blocked_dark_hours":0,"clears_at":"2027-04-15T21:27:03Z","rise_az":270.5},"track":[{"above_terrain":true,"airmass":1.74,"alt":35.09,"az":270.5,"t":"2027-04-15T09:00:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.78,"alt":34.15,"az":271.3,"t":"2027-04-15T09:05:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.82,"alt":33.22,"az":272.1,"t":"2027-04-15T09:10:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.87,"alt":32.28,"az":272.9,"t":"2027-04-15T09:15:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.92,"alt":31.35,"az":273.7,"t":"2027-04-15T09:20:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.97,"alt":30.41,"az":274.5,"t":"2027-04-15T09:25:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.03,"alt":29.48,"az":275.3,"t":"2027-04-15T09:30:00Z","terrain":0.06},{"above_terrain":true,"airmass":2.09,"alt":28.55,"az":276.1,"t":"2027-04-15T09:35:00Z","terrain":-0.02},{"above_terrain":true,"airmass":2.15,"alt":27.62,"az":276.9,"t":"2027-04-15T09:40:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.22,"alt":26.69,"az":277.6,"t":"2027-04-15T09:45:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.29,"alt":25.77,"az":278.4,"t":"2027-04-15T09:50:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.37,"alt":24.84,"az":279.2,"t":"2027-04-15T09:55:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.45,"alt":23.92,"az":279.9,"t":"2027-04-15T10:00:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.55,"alt":23.0,"az":280.7,"t":"2027-04-15T10:05:00Z","terrain":-0.02},{"above_terrain":true,"airmass":2.65,"alt":22.08,"az":281.4,"t":"2027-04-15T10:10:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.75,"alt":21.16,"az":282.2,"t":"2027-04-15T10:15:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.87,"alt":20.25,"az":283.0,"t":"2027-04-15T10:20:00Z","terrain":-0.01},{"above_terrain":true,"airmass":3.0,"alt":19.34,"az":283.7,"t":"2027-04-15T10:25:00Z","terrain":0.08},{"above_terrain":true,"airmass":3.14,"alt":18.43,"az":284.5,"t":"2027-04-15T10:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.29,"alt":17.53,"az":285.2,"t":"2027-04-15T10:35:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.46,"alt":16.62,"az":286.0,"t":"2027-04-15T10:40:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.65,"alt":15.73,"az":286.7,"t":"2027-04-15T10:45:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.85,"alt":14.83,"az":287.5,"t":"2027-04-15T10:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":4.09,"alt":13.94,"az":288.3,"t":"2027-04-15T10:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":4.35,"alt":13.05,"az":289.0,"t":"2027-04-15T11:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":4.65,"alt":12.17,"az":289.8,"t":"2027-04-15T11:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":4.99,"alt":11.29,"az":290.6,"t":"2027-04-15T11:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":5.38,"alt":10.42,"az":291.3,"t":"2027-04-15T11:15:00Z","terrain":0.51},{"above_terrain":true,"airmass":5.83,"alt":9.55,"az":292.1,"t":"2027-04-15T11:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":6.36,"alt":8.68,"az":292.9,"t":"2027-04-15T11:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":7.0,"alt":7.82,"az":293.7,"t":"2027-04-15T11:30:00Z","terrain":0.26},{"above_terrain":true,"airmass":7.76,"alt":6.97,"az":294.4,"t":"2027-04-15T11:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":8.69,"alt":6.12,"az":295.2,"t":"2027-04-15T11:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":9.86,"alt":5.28,"az":296.0,"t":"2027-04-15T11:45:00Z","terrain":0.33},{"above_terrain":true,"airmass":11.35,"alt":4.44,"az":296.8,"t":"2027-04-15T11:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":13.3,"alt":3.61,"az":297.6,"t":"2027-04-15T11:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":15.94,"alt":2.78,"az":298.4,"t":"2027-04-15T12:00:00Z","terrain":0.14},{"above_terrain":true,"airmass":19.65,"alt":1.96,"az":299.2,"t":"2027-04-15T12:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":25.08,"alt":1.15,"az":300.1,"t":"2027-04-15T12:10:00Z","terrain":0.37},{"above_terrain":true,"airmass":33.28,"alt":0.34,"az":300.9,"t":"2027-04-15T12:15:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-0.46,"az":301.7,"t":"2027-04-15T12:20:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-1.25,"az":302.6,"t":"2027-04-15T12:25:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-2.04,"az":303.4,"t":"2027-04-15T12:30:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-2.82,"az":304.3,"t":"2027-04-15T12:35:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-3.58,"az":305.1,"t":"2027-04-15T12:40:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-4.35,"az":306.0,"t":"2027-04-15T12:45:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-5.1,"az":306.9,"t":"2027-04-15T12:50:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-5.84,"az":307.8,"t":"2027-04-15T12:55:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-6.58,"az":308.7,"t":"2027-04-15T13:00:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-7.3,"az":309.6,"t":"2027-04-15T13:05:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-8.02,"az":310.5,"t":"2027-04-15T13:10:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-8.73,"az":311.4,"t":"2027-04-15T13:15:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-9.42,"az":312.3,"t":"2027-04-15T13:20:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-10.11,"az":313.3,"t":"2027-04-15T13:25:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-10.79,"az":314.2,"t":"2027-04-15T13:30:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-11.45,"az":315.2,"t":"2027-04-15T13:35:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-12.11,"az":316.2,"t":"2027-04-15T13:40:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-12.75,"az":317.2,"t":"2027-04-15T13:45:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-13.38,"az":318.2,"t":"2027-04-15T13:50:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-14.0,"az":319.2,"t":"2027-04-15T13:55:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-14.6,"az":320.2,"t":"2027-04-15T14:00:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-15.2,"az":321.2,"t":"2027-04-15T14:05:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-15.77,"az":322.2,"t":"2027-04-15T14:10:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-16.34,"az":323.3,"t":"2027-04-15T14:15:00Z","terrain":-0.0},{"above_terrain":false,"airmass":null,"alt":-16.89,"az":324.4,"t":"2027-04-15T14:20:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-17.43,"az":325.4,"t":"2027-04-15T14:25:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-17.96,"az":326.5,"t":"2027-04-15T14:30:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-18.47,"az":327.6,"t":"2027-04-15T14:35:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-18.96,"az":328.7,"t":"2027-04-15T14:40:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-19.44,"az":329.8,"t":"2027-04-15T14:45:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-19.9,"az":330.9,"t":"2027-04-15T14:50:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-20.35,"az":332.1,"t":"2027-04-15T14:55:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-20.78,"az":333.2,"t":"2027-04-15T15:00:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-21.19,"az":334.4,"t":"2027-04-15T15:05:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-21.59,"az":335.5,"t":"2027-04-15T15:10:00Z","terrain":-0.72},{"above_terrain":false,"airmass":null,"alt":-21.97,"az":336.7,"t":"2027-04-15T15:15:00Z","terrain":-0.76},{"above_terrain":false,"airmass":null,"alt":-22.33,"az":337.9,"t":"2027-04-15T15:20:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-22.67,"az":339.1,"t":"2027-04-15T15:25:00Z","terrain":-0.73},{"above_terrain":false,"airmass":null,"alt":-22.99,"az":340.3,"t":"2027-04-15T15:30:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-23.3,"az":341.5,"t":"2027-04-15T15:35:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-23.59,"az":342.7,"t":"2027-04-15T15:40:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-23.86,"az":344.0,"t":"2027-04-15T15:45:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-24.11,"az":345.2,"t":"2027-04-15T15:50:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-24.33,"az":346.4,"t":"2027-04-15T15:55:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-24.54,"az":347.7,"t":"2027-04-15T16:00:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-24.73,"az":348.9,"t":"2027-04-15T16:05:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-24.9,"az":350.2,"t":"2027-04-15T16:10:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-25.05,"az":351.5,"t":"2027-04-15T16:15:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-25.18,"az":352.7,"t":"2027-04-15T16:20:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-25.29,"az":354.0,"t":"2027-04-15T16:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-25.38,"az":355.3,"t":"2027-04-15T16:30:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-25.44,"az":356.6,"t":"2027-04-15T16:35:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-25.49,"az":357.8,"t":"2027-04-15T16:40:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-25.51,"az":359.1,"t":"2027-04-15T16:45:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-25.52,"az":0.4,"t":"2027-04-15T16:50:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-25.5,"az":1.7,"t":"2027-04-15T16:55:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-25.46,"az":3.0,"t":"2027-04-15T17:00:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-25.41,"az":4.2,"t":"2027-04-15T17:05:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-25.33,"az":5.5,"t":"2027-04-15T17:10:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-25.23,"az":6.8,"t":"2027-04-15T17:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-25.1,"az":8.0,"t":"2027-04-15T17:20:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-24.96,"az":9.3,"t":"2027-04-15T17:25:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-24.8,"az":10.6,"t":"2027-04-15T17:30:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-24.62,"az":11.8,"t":"2027-04-15T17:35:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-24.42,"az":13.1,"t":"2027-04-15T17:40:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-24.2,"az":14.3,"t":"2027-04-15T17:45:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-23.96,"az":15.6,"t":"2027-04-15T17:50:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-23.69,"az":16.8,"t":"2027-04-15T17:55:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-23.41,"az":18.0,"t":"2027-04-15T18:00:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-23.12,"az":19.2,"t":"2027-04-15T18:05:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-22.8,"az":20.4,"t":"2027-04-15T18:10:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-22.46,"az":21.6,"t":"2027-04-15T18:15:00Z","terrain":0.88},{"above_terrain":false,"airmass":null,"alt":-22.11,"az":22.8,"t":"2027-04-15T18:20:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-21.74,"az":24.0,"t":"2027-04-15T18:25:00Z","terrain":0.92},{"above_terrain":false,"airmass":null,"alt":-21.35,"az":25.2,"t":"2027-04-15T18:30:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-20.94,"az":26.3,"t":"2027-04-15T18:35:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-20.52,"az":27.5,"t":"2027-04-15T18:40:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-20.08,"az":28.6,"t":"2027-04-15T18:45:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-19.62,"az":29.8,"t":"2027-04-15T18:50:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-19.15,"az":30.9,"t":"2027-04-15T18:55:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-18.66,"az":32.0,"t":"2027-04-15T19:00:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-18.16,"az":33.1,"t":"2027-04-15T19:05:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-17.64,"az":34.2,"t":"2027-04-15T19:10:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-17.1,"az":35.2,"t":"2027-04-15T19:15:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-16.56,"az":36.3,"t":"2027-04-15T19:20:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-16.0,"az":37.3,"t":"2027-04-15T19:25:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-15.42,"az":38.4,"t":"2027-04-15T19:30:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-14.83,"az":39.4,"t":"2027-04-15T19:35:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-14.23,"az":40.4,"t":"2027-04-15T19:40:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-13.62,"az":41.5,"t":"2027-04-15T19:45:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-12.99,"az":42.4,"t":"2027-04-15T19:50:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-12.36,"az":43.4,"t":"2027-04-15T19:55:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-11.71,"az":44.4,"t":"2027-04-15T20:00:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-11.05,"az":45.4,"t":"2027-04-15T20:05:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-10.38,"az":46.3,"t":"2027-04-15T20:10:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-9.69,"az":47.3,"t":"2027-04-15T20:15:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-9.0,"az":48.2,"t":"2027-04-15T20:20:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-8.3,"az":49.2,"t":"2027-04-15T20:25:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-7.58,"az":50.1,"t":"2027-04-15T20:30:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":51.0,"t":"2027-04-15T20:35:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-6.13,"az":51.9,"t":"2027-04-15T20:40:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-5.39,"az":52.8,"t":"2027-04-15T20:45:00Z","terrain":0.79},{"above_terrain":false,"airmass":null,"alt":-4.64,"az":53.7,"t":"2027-04-15T20:50:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":54.5,"t":"2027-04-15T20:55:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-3.12,"az":55.4,"t":"2027-04-15T21:00:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-2.34,"az":56.3,"t":"2027-04-15T21:05:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-1.56,"az":57.1,"t":"2027-04-15T21:10:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-0.77,"az":57.9,"t":"2027-04-15T21:15:00Z","terrain":1.24},{"above_terrain":false,"airmass":37.51,"alt":0.03,"az":58.8,"t":"2027-04-15T21:20:00Z","terrain":1.22},{"above_terrain":false,"airmass":27.86,"alt":0.83,"az":59.6,"t":"2027-04-15T21:25:00Z","terrain":1.19},{"above_terrain":true,"airmass":21.51,"alt":1.64,"az":60.4,"t":"2027-04-15T21:30:00Z","terrain":1.13},{"above_terrain":true,"airmass":17.23,"alt":2.46,"az":61.3,"t":"2027-04-15T21:35:00Z","terrain":1.07},{"above_terrain":true,"airmass":14.23,"alt":3.28,"az":62.1,"t":"2027-04-15T21:40:00Z","terrain":1.0},{"above_terrain":true,"airmass":12.04,"alt":4.11,"az":62.9,"t":"2027-04-15T21:45:00Z","terrain":0.92},{"above_terrain":true,"airmass":10.39,"alt":4.95,"az":63.7,"t":"2027-04-15T21:50:00Z","terrain":0.82},{"above_terrain":true,"airmass":9.11,"alt":5.79,"az":64.5,"t":"2027-04-15T21:55:00Z","terrain":0.77},{"above_terrain":true,"airmass":8.1,"alt":6.64,"az":65.3,"t":"2027-04-15T22:00:00Z","terrain":0.79},{"above_terrain":true,"airmass":7.27,"alt":7.49,"az":66.0,"t":"2027-04-15T22:05:00Z","terrain":0.83},{"above_terrain":true,"airmass":6.6,"alt":8.35,"az":66.8,"t":"2027-04-15T22:10:00Z","terrain":0.91},{"above_terrain":true,"airmass":6.03,"alt":9.21,"az":67.6,"t":"2027-04-15T22:15:00Z","terrain":0.97},{"above_terrain":true,"airmass":5.54,"alt":10.08,"az":68.4,"t":"2027-04-15T22:20:00Z","terrain":1.01},{"above_terrain":true,"airmass":5.13,"alt":10.95,"az":69.1,"t":"2027-04-15T22:25:00Z","terrain":1.08},{"above_terrain":true,"airmass":4.77,"alt":11.83,"az":69.9,"t":"2027-04-15T22:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":4.46,"alt":12.71,"az":70.7,"t":"2027-04-15T22:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":4.19,"alt":13.6,"az":71.4,"t":"2027-04-15T22:40:00Z","terrain":1.23},{"above_terrain":true,"airmass":3.94,"alt":14.48,"az":72.2,"t":"2027-04-15T22:45:00Z","terrain":1.16},{"above_terrain":true,"airmass":3.72,"alt":15.38,"az":73.0,"t":"2027-04-15T22:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":3.53,"alt":16.27,"az":73.7,"t":"2027-04-15T22:55:00Z","terrain":0.8},{"above_terrain":true,"airmass":3.35,"alt":17.17,"az":74.5,"t":"2027-04-15T23:00:00Z","terrain":0.68},{"above_terrain":true,"airmass":3.19,"alt":18.08,"az":75.2,"t":"2027-04-15T23:05:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.05,"alt":18.98,"az":76.0,"t":"2027-04-15T23:10:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.92,"alt":19.89,"az":76.7,"t":"2027-04-15T23:15:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.8,"alt":20.81,"az":77.5,"t":"2027-04-15T23:20:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.69,"alt":21.72,"az":78.3,"t":"2027-04-15T23:25:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.58,"alt":22.64,"az":79.0,"t":"2027-04-15T23:30:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.49,"alt":23.56,"az":79.8,"t":"2027-04-15T23:35:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.4,"alt":24.48,"az":80.5,"t":"2027-04-15T23:40:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.32,"alt":25.41,"az":81.3,"t":"2027-04-15T23:45:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.25,"alt":26.33,"az":82.1,"t":"2027-04-15T23:50:00Z","terrain":0.78},{"above_terrain":true,"airmass":2.18,"alt":27.26,"az":82.8,"t":"2027-04-15T23:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.11,"alt":28.19,"az":83.6,"t":"2027-04-16T00:00:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.05,"alt":29.12,"az":84.4,"t":"2027-04-16T00:05:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.99,"alt":30.05,"az":85.2,"t":"2027-04-16T00:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.94,"alt":30.99,"az":86.0,"t":"2027-04-16T00:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.89,"alt":31.92,"az":86.8,"t":"2027-04-16T00:20:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.84,"alt":32.85,"az":87.6,"t":"2027-04-16T00:25:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.79,"alt":33.79,"az":88.4,"t":"2027-04-16T00:30:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.75,"alt":34.73,"az":89.2,"t":"2027-04-16T00:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.71,"alt":35.66,"az":90.0,"t":"2027-04-16T00:40:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.67,"alt":36.6,"az":90.9,"t":"2027-04-16T00:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.64,"alt":37.53,"az":91.7,"t":"2027-04-16T00:50:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.6,"alt":38.47,"az":92.6,"t":"2027-04-16T00:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.57,"alt":39.4,"az":93.5,"t":"2027-04-16T01:00:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.54,"alt":40.34,"az":94.4,"t":"2027-04-16T01:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.51,"alt":41.27,"az":95.3,"t":"2027-04-16T01:10:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.49,"alt":42.2,"az":96.2,"t":"2027-04-16T01:15:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.46,"alt":43.13,"az":97.1,"t":"2027-04-16T01:20:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.44,"alt":44.06,"az":98.1,"t":"2027-04-16T01:25:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.41,"alt":44.98,"az":99.0,"t":"2027-04-16T01:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.39,"alt":45.91,"az":100.0,"t":"2027-04-16T01:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.37,"alt":46.83,"az":101.0,"t":"2027-04-16T01:40:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.35,"alt":47.74,"az":102.1,"t":"2027-04-16T01:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.33,"alt":48.66,"az":103.1,"t":"2027-04-16T01:50:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.31,"alt":49.57,"az":104.2,"t":"2027-04-16T01:55:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.3,"alt":50.47,"az":105.3,"t":"2027-04-16T02:00:00Z","terrain":-0.36},{"above_terrain":true,"airmass":1.28,"alt":51.37,"az":106.5,"t":"2027-04-16T02:05:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.26,"alt":52.27,"az":107.7,"t":"2027-04-16T02:10:00Z","terrain":-0.82},{"above_terrain":true,"airmass":1.25,"alt":53.15,"az":108.9,"t":"2027-04-16T02:15:00Z","terrain":-1.16},{"above_terrain":true,"airmass":1.23,"alt":54.04,"az":110.1,"t":"2027-04-16T02:20:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.22,"alt":54.91,"az":111.4,"t":"2027-04-16T02:25:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.21,"alt":55.78,"az":112.8,"t":"2027-04-16T02:30:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.2,"alt":56.64,"az":114.2,"t":"2027-04-16T02:35:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.19,"alt":57.49,"az":115.6,"t":"2027-04-16T02:40:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.17,"alt":58.33,"az":117.1,"t":"2027-04-16T02:45:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.16,"alt":59.15,"az":118.7,"t":"2027-04-16T02:50:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.15,"alt":59.97,"az":120.3,"t":"2027-04-16T02:55:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.15,"alt":60.77,"az":122.0,"t":"2027-04-16T03:00:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.14,"alt":61.55,"az":123.7,"t":"2027-04-16T03:05:00Z","terrain":-1.46},{"above_terrain":true,"airmass":1.13,"alt":62.32,"az":125.6,"t":"2027-04-16T03:10:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.12,"alt":63.08,"az":127.5,"t":"2027-04-16T03:15:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.11,"alt":63.81,"az":129.5,"t":"2027-04-16T03:20:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.11,"alt":64.52,"az":131.6,"t":"2027-04-16T03:25:00Z","terrain":-1.66},{"above_terrain":true,"airmass":1.1,"alt":65.21,"az":133.8,"t":"2027-04-16T03:30:00Z","terrain":-1.57},{"above_terrain":true,"airmass":1.1,"alt":65.87,"az":136.0,"t":"2027-04-16T03:35:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.09,"alt":66.51,"az":138.4,"t":"2027-04-16T03:40:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.08,"alt":67.11,"az":140.9,"t":"2027-04-16T03:45:00Z","terrain":-1.12},{"above_terrain":true,"airmass":1.08,"alt":67.69,"az":143.5,"t":"2027-04-16T03:50:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.08,"alt":68.22,"az":146.3,"t":"2027-04-16T03:55:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.07,"alt":68.73,"az":149.1,"t":"2027-04-16T04:00:00Z","terrain":-1.41},{"above_terrain":true,"airmass":1.07,"alt":69.19,"az":152.1,"t":"2027-04-16T04:05:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.07,"alt":69.6,"az":155.1,"t":"2027-04-16T04:10:00Z","terrain":-1.1},{"above_terrain":true,"airmass":1.06,"alt":69.97,"az":158.3,"t":"2027-04-16T04:15:00Z","terrain":-1.13},{"above_terrain":true,"airmass":1.06,"alt":70.29,"az":161.6,"t":"2027-04-16T04:20:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.06,"alt":70.56,"az":164.9,"t":"2027-04-16T04:25:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.06,"alt":70.78,"az":168.3,"t":"2027-04-16T04:30:00Z","terrain":-0.91},{"above_terrain":true,"airmass":1.06,"alt":70.94,"az":171.8,"t":"2027-04-16T04:35:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.06,"alt":71.05,"az":175.4,"t":"2027-04-16T04:40:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.06,"alt":71.09,"az":178.9,"t":"2027-04-16T04:45:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.06,"alt":71.08,"az":182.5,"t":"2027-04-16T04:50:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.06,"alt":71.01,"az":186.0,"t":"2027-04-16T04:55:00Z","terrain":-0.73},{"above_terrain":true,"airmass":1.06,"alt":70.88,"az":189.6,"t":"2027-04-16T05:00:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.06,"alt":70.7,"az":193.0,"t":"2027-04-16T05:05:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.06,"alt":70.46,"az":196.4,"t":"2027-04-16T05:10:00Z","terrain":-0.55},{"above_terrain":true,"airmass":1.06,"alt":70.17,"az":199.8,"t":"2027-04-16T05:15:00Z","terrain":-0.27},{"above_terrain":true,"airmass":1.06,"alt":69.83,"az":203.0,"t":"2027-04-16T05:20:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.07,"alt":69.44,"az":206.1,"t":"2027-04-16T05:25:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.07,"alt":69.01,"az":209.1,"t":"2027-04-16T05:30:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.07,"alt":68.53,"az":212.0,"t":"2027-04-16T05:35:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.08,"alt":68.02,"az":214.8,"t":"2027-04-16T05:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.08,"alt":67.46,"az":217.5,"t":"2027-04-16T05:45:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.09,"alt":66.88,"az":220.1,"t":"2027-04-16T05:50:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.09,"alt":66.26,"az":222.5,"t":"2027-04-16T05:55:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.1,"alt":65.61,"az":224.9,"t":"2027-04-16T06:00:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.1,"alt":64.94,"az":227.1,"t":"2027-04-16T06:05:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.11,"alt":64.24,"az":229.3,"t":"2027-04-16T06:10:00Z","terrain":1.27},{"above_terrain":true,"airmass":1.12,"alt":63.52,"az":231.3,"t":"2027-04-16T06:15:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.12,"alt":62.78,"az":233.3,"t":"2027-04-16T06:20:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.13,"alt":62.02,"az":235.2,"t":"2027-04-16T06:25:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.14,"alt":61.24,"az":237.0,"t":"2027-04-16T06:30:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.15,"alt":60.45,"az":238.7,"t":"2027-04-16T06:35:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.16,"alt":59.64,"az":240.4,"t":"2027-04-16T06:40:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.17,"alt":58.82,"az":241.9,"t":"2027-04-16T06:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.18,"alt":57.99,"az":243.5,"t":"2027-04-16T06:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.19,"alt":57.15,"az":245.0,"t":"2027-04-16T06:55:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.2,"alt":56.3,"az":246.4,"t":"2027-04-16T07:00:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.21,"alt":55.44,"az":247.7,"t":"2027-04-16T07:05:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.23,"alt":54.57,"az":249.1,"t":"2027-04-16T07:10:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.24,"alt":53.69,"az":250.4,"t":"2027-04-16T07:15:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.25,"alt":52.8,"az":251.6,"t":"2027-04-16T07:20:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.27,"alt":51.91,"az":252.8,"t":"2027-04-16T07:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.29,"alt":51.01,"az":254.0,"t":"2027-04-16T07:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.3,"alt":50.11,"az":255.1,"t":"2027-04-16T07:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.32,"alt":49.21,"az":256.2,"t":"2027-04-16T07:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.34,"alt":48.29,"az":257.3,"t":"2027-04-16T07:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.36,"alt":47.38,"az":258.3,"t":"2027-04-16T07:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.38,"alt":46.46,"az":259.4,"t":"2027-04-16T07:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.4,"alt":45.54,"az":260.4,"t":"2027-04-16T08:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.42,"alt":44.62,"az":261.4,"t":"2027-04-16T08:05:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.45,"alt":43.69,"az":262.3,"t":"2027-04-16T08:10:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.47,"alt":42.76,"az":263.3,"t":"2027-04-16T08:15:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.5,"alt":41.83,"az":264.2,"t":"2027-04-16T08:20:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.53,"alt":40.9,"az":265.1,"t":"2027-04-16T08:25:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.55,"alt":39.97,"az":266.0,"t":"2027-04-16T08:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.59,"alt":39.03,"az":266.9,"t":"2027-04-16T08:35:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.62,"alt":38.1,"az":267.8,"t":"2027-04-16T08:40:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.65,"alt":37.16,"az":268.6,"t":"2027-04-16T08:45:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.69,"alt":36.22,"az":269.5,"t":"2027-04-16T08:50:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.73,"alt":35.29,"az":270.3,"t":"2027-04-16T08:55:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.77,"alt":34.35,"az":271.1,"t":"2027-04-16T09:00:00Z","terrain":0.74}],"transit":{"airmass":1.06,"alt":71.1,"az":178.9,"t":"2027-04-16T04:45:00Z"},"usable_hours":2.67,"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."]}