{"assessment":{"best_window":{"end":"2027-02-18T03:40Z","end_local":"05:40","hours":2.25,"label":"good","mean_quality":0.77,"start":"2027-02-18T01:25Z","start_local":"03:25"},"cost":{"altitude":8.2,"clouds":0.0,"darkness":1.2,"moon":0.22},"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":1,"cloud":null,"high":null,"iso":"2027-02-17T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":44,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"18:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2027-02-17T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":55,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"19:00","wind":null},{"alt":-8,"cloud":null,"high":null,"iso":"2027-02-17T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":64,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":-9,"cloud":null,"high":null,"iso":"2027-02-17T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":72,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":-9,"cloud":null,"high":null,"iso":"2027-02-17T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":73,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2027-02-17T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":67,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2027-02-17T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":57,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":6,"cloud":null,"high":null,"iso":"2027-02-17T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":46,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2027-02-18T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":36,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":23,"cloud":null,"high":null,"iso":"2027-02-18T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.47,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2027-02-18T02:00Z","label":"good","low":null,"mid":null,"moon_alt":14,"precip":null,"q":0.74,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2027-02-18T03:00Z","label":"good","low":null,"mid":null,"moon_alt":4,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":55,"cloud":null,"high":null,"iso":"2027-02-18T04:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-5,"precip":null,"q":0.48,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":66,"cloud":null,"high":null,"iso":"2027-02-18T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-13,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.93,"peak_sky":0.93,"quality_hours":2.45,"reasons":["the target being low or below 20\u00b0 cost 8.2 quality-hours","daylight and twilight cost 1.2 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":57,"score_weather":null,"sky_hours":2.45,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2027-02-18T00:40Z","end_local":"02:40","hours":8.75,"label":"unusable","mean_quality":0.0,"start":"2027-02-17T15:55Z","start_local":"17:55"},{"end":"2027-02-18T01:25Z","end_local":"03:25","hours":0.75,"label":"marginal","mean_quality":0.47,"start":"2027-02-18T00:40Z","start_local":"02:40"},{"end":"2027-02-18T03:40Z","end_local":"05:40","hours":2.25,"label":"good","mean_quality":0.77,"start":"2027-02-18T01:25Z","start_local":"03:25"},{"end":"2027-02-18T04:15Z","end_local":"06:15","hours":0.58,"label":"marginal","mean_quality":0.48,"start":"2027-02-18T03:40Z","start_local":"05:40"},{"end":"2027-02-18T04:45Z","end_local":"06:45","hours":0.5,"label":"poor","mean_quality":0.15,"start":"2027-02-18T04:15Z","start_local":"06:15"},{"end":"2027-02-18T05:15Z","end_local":"07:15","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-02-18T04:45Z","start_local":"06:45"}]},"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":"2027-02-17T17:29:29Z","dark_hours":10.18,"dark_to":"2027-02-18T03:39:59Z","moon":{"illumination":0.871,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.18,"moonrise":"2027-02-17T11:40:27Z","moonset":"2027-02-18T03:27:21Z","sunrise":"2027-02-18T05:12:55Z","sunset":"2027-02-17T15:56:21Z","twilight":{"astronomical":{"end":"2027-02-17T17:29:29Z","start":"2027-02-18T03:39:59Z"},"civil":{"end":"2027-02-17T16:24:47Z","start":"2027-02-18T04:44:34Z"},"nautical":{"end":"2027-02-17T16:57:16Z","start":"2027-02-18T04:12:09Z"}},"window_end":"2027-02-18T10:00:00Z","window_start":"2027-02-17T10:00:00Z"},"night_date":"2027-02-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.3,"alt":50.0,"t":"2027-02-18T03:35:00Z"},"dec":38.78368896,"dec_of_date":38.8082,"dec_str":"+38\u00b0 47' 01.3\"","good_hours":1.92,"limit_rise":"2027-02-18T00:38:17Z","limit_set":"2027-02-17T13:39:13Z","max_az_rate_deg_per_min":3.84,"moon_separation":115.4,"never_rises":false,"ra":279.23473479,"ra_of_date":279.4625,"ra_str":"18h 36m 56.3s","resolved":{"common_name":"Vega","dec":38.78368896,"name":"* alf Lyr","ra":279.23473479,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Vega","source":"sesame","spectral_type":"A0V","type":"dS*","type_text":"delta Scuti variable","vmag":0.03},"summary":"Only 1.9 h above 30\u00b0, 3.0 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2027-02-17T16:15:15Z","blocked_dark_hours":0,"clears_at":"2027-02-17T22:10:32Z","rise_az":279.2},"track":[{"above_terrain":true,"airmass":1.18,"alt":57.81,"az":279.2,"t":"2027-02-17T10:00:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.19,"alt":56.89,"az":279.8,"t":"2027-02-17T10:05:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.21,"alt":55.97,"az":280.4,"t":"2027-02-17T10:10:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.22,"alt":55.05,"az":281.0,"t":"2027-02-17T10:15:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.23,"alt":54.13,"az":281.6,"t":"2027-02-17T10:20:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.25,"alt":53.21,"az":282.1,"t":"2027-02-17T10:25:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.26,"alt":52.3,"az":282.7,"t":"2027-02-17T10:30:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.28,"alt":51.39,"az":283.3,"t":"2027-02-17T10:35:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.3,"alt":50.48,"az":283.8,"t":"2027-02-17T10:40:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.31,"alt":49.57,"az":284.4,"t":"2027-02-17T10:45:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.33,"alt":48.67,"az":285.0,"t":"2027-02-17T10:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.35,"alt":47.76,"az":285.5,"t":"2027-02-17T10:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.37,"alt":46.86,"az":286.1,"t":"2027-02-17T11:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":45.96,"az":286.6,"t":"2027-02-17T11:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.41,"alt":45.07,"az":287.2,"t":"2027-02-17T11:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.43,"alt":44.18,"az":287.7,"t":"2027-02-17T11:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.46,"alt":43.29,"az":288.3,"t":"2027-02-17T11:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.48,"alt":42.4,"az":288.9,"t":"2027-02-17T11:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.51,"alt":41.51,"az":289.4,"t":"2027-02-17T11:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.53,"alt":40.63,"az":290.0,"t":"2027-02-17T11:35:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.56,"alt":39.75,"az":290.5,"t":"2027-02-17T11:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.59,"alt":38.88,"az":291.1,"t":"2027-02-17T11:45:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.62,"alt":38.01,"az":291.7,"t":"2027-02-17T11:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.65,"alt":37.14,"az":292.2,"t":"2027-02-17T11:55:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.69,"alt":36.28,"az":292.8,"t":"2027-02-17T12:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.72,"alt":35.41,"az":293.4,"t":"2027-02-17T12:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.76,"alt":34.56,"az":293.9,"t":"2027-02-17T12:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.8,"alt":33.7,"az":294.5,"t":"2027-02-17T12:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.84,"alt":32.85,"az":295.1,"t":"2027-02-17T12:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.88,"alt":32.01,"az":295.7,"t":"2027-02-17T12:25:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.93,"alt":31.17,"az":296.2,"t":"2027-02-17T12:30:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.97,"alt":30.33,"az":296.8,"t":"2027-02-17T12:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.03,"alt":29.5,"az":297.4,"t":"2027-02-17T12:40:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.08,"alt":28.67,"az":298.0,"t":"2027-02-17T12:45:00Z","terrain":0.12},{"above_terrain":true,"airmass":2.13,"alt":27.84,"az":298.6,"t":"2027-02-17T12:50:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.19,"alt":27.02,"az":299.2,"t":"2027-02-17T12:55:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.26,"alt":26.21,"az":299.8,"t":"2027-02-17T13:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.32,"alt":25.4,"az":300.4,"t":"2027-02-17T13:05:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.39,"alt":24.59,"az":301.0,"t":"2027-02-17T13:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.47,"alt":23.8,"az":301.6,"t":"2027-02-17T13:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.55,"alt":23.0,"az":302.3,"t":"2027-02-17T13:20:00Z","terrain":0.0},{"above_terrain":true,"airmass":2.63,"alt":22.21,"az":302.9,"t":"2027-02-17T13:25:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.72,"alt":21.43,"az":303.5,"t":"2027-02-17T13:30:00Z","terrain":-0.16},{"above_terrain":true,"airmass":2.82,"alt":20.65,"az":304.1,"t":"2027-02-17T13:35:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.92,"alt":19.88,"az":304.8,"t":"2027-02-17T13:40:00Z","terrain":-0.25},{"above_terrain":true,"airmass":3.03,"alt":19.11,"az":305.4,"t":"2027-02-17T13:45:00Z","terrain":-0.24},{"above_terrain":true,"airmass":3.15,"alt":18.35,"az":306.1,"t":"2027-02-17T13:50:00Z","terrain":-0.15},{"above_terrain":true,"airmass":3.28,"alt":17.6,"az":306.7,"t":"2027-02-17T13:55:00Z","terrain":0.08},{"above_terrain":true,"airmass":3.41,"alt":16.85,"az":307.4,"t":"2027-02-17T14:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.56,"alt":16.11,"az":308.0,"t":"2027-02-17T14:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.72,"alt":15.38,"az":308.7,"t":"2027-02-17T14:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.9,"alt":14.65,"az":309.4,"t":"2027-02-17T14:15:00Z","terrain":0.19},{"above_terrain":true,"airmass":4.09,"alt":13.93,"az":310.1,"t":"2027-02-17T14:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":4.3,"alt":13.22,"az":310.8,"t":"2027-02-17T14:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":4.53,"alt":12.52,"az":311.5,"t":"2027-02-17T14:30:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.78,"alt":11.82,"az":312.2,"t":"2027-02-17T14:35:00Z","terrain":0.16},{"above_terrain":true,"airmass":5.06,"alt":11.13,"az":312.9,"t":"2027-02-17T14:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":5.36,"alt":10.45,"az":313.6,"t":"2027-02-17T14:45:00Z","terrain":0.38},{"above_terrain":true,"airmass":5.71,"alt":9.77,"az":314.3,"t":"2027-02-17T14:50:00Z","terrain":0.5},{"above_terrain":true,"airmass":6.09,"alt":9.11,"az":315.0,"t":"2027-02-17T14:55:00Z","terrain":0.56},{"above_terrain":true,"airmass":6.53,"alt":8.45,"az":315.7,"t":"2027-02-17T15:00:00Z","terrain":0.5},{"above_terrain":true,"airmass":7.02,"alt":7.8,"az":316.5,"t":"2027-02-17T15:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":7.58,"alt":7.16,"az":317.2,"t":"2027-02-17T15:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":8.22,"alt":6.53,"az":318.0,"t":"2027-02-17T15:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":8.96,"alt":5.91,"az":318.7,"t":"2027-02-17T15:20:00Z","terrain":-0.01},{"above_terrain":true,"airmass":9.83,"alt":5.29,"az":319.5,"t":"2027-02-17T15:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":10.86,"alt":4.69,"az":320.3,"t":"2027-02-17T15:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.08,"alt":4.1,"az":321.0,"t":"2027-02-17T15:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":13.55,"alt":3.51,"az":321.8,"t":"2027-02-17T15:40:00Z","terrain":0.14},{"above_terrain":true,"airmass":15.36,"alt":2.94,"az":322.6,"t":"2027-02-17T15:45:00Z","terrain":0.13},{"above_terrain":true,"airmass":17.59,"alt":2.38,"az":323.4,"t":"2027-02-17T15:50:00Z","terrain":-0.04},{"above_terrain":true,"airmass":20.41,"alt":1.82,"az":324.2,"t":"2027-02-17T15:55:00Z","terrain":-0.21},{"above_terrain":true,"airmass":24.0,"alt":1.28,"az":325.0,"t":"2027-02-17T16:00:00Z","terrain":-0.19},{"above_terrain":true,"airmass":28.64,"alt":0.75,"az":325.9,"t":"2027-02-17T16:05:00Z","terrain":-0.23},{"above_terrain":true,"airmass":34.65,"alt":0.23,"az":326.7,"t":"2027-02-17T16:10:00Z","terrain":-0.34},{"above_terrain":true,"airmass":null,"alt":-0.28,"az":327.5,"t":"2027-02-17T16:15:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-0.77,"az":328.4,"t":"2027-02-17T16:20:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-1.26,"az":329.2,"t":"2027-02-17T16:25:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-1.73,"az":330.1,"t":"2027-02-17T16:30:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-2.19,"az":330.9,"t":"2027-02-17T16:35:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-2.64,"az":331.8,"t":"2027-02-17T16:40:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-3.08,"az":332.7,"t":"2027-02-17T16:45:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-3.5,"az":333.6,"t":"2027-02-17T16:50:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-3.91,"az":334.4,"t":"2027-02-17T16:55:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-4.31,"az":335.3,"t":"2027-02-17T17:00:00Z","terrain":-0.67},{"above_terrain":false,"airmass":null,"alt":-4.69,"az":336.2,"t":"2027-02-17T17:05:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-5.06,"az":337.1,"t":"2027-02-17T17:10:00Z","terrain":-0.69},{"above_terrain":false,"airmass":null,"alt":-5.42,"az":338.1,"t":"2027-02-17T17:15:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-5.76,"az":339.0,"t":"2027-02-17T17:20:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-6.09,"az":339.9,"t":"2027-02-17T17:25:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-6.4,"az":340.8,"t":"2027-02-17T17:30:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-6.7,"az":341.8,"t":"2027-02-17T17:35:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-6.99,"az":342.7,"t":"2027-02-17T17:40:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-7.26,"az":343.7,"t":"2027-02-17T17:45:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.52,"az":344.6,"t":"2027-02-17T17:50:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.76,"az":345.6,"t":"2027-02-17T17:55:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-7.98,"az":346.5,"t":"2027-02-17T18:00:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-8.19,"az":347.5,"t":"2027-02-17T18:05:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-8.39,"az":348.4,"t":"2027-02-17T18:10:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-8.57,"az":349.4,"t":"2027-02-17T18:15:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-8.73,"az":350.4,"t":"2027-02-17T18:20:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.88,"az":351.4,"t":"2027-02-17T18:25:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-9.01,"az":352.3,"t":"2027-02-17T18:30:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-9.13,"az":353.3,"t":"2027-02-17T18:35:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-9.23,"az":354.3,"t":"2027-02-17T18:40:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.32,"az":355.3,"t":"2027-02-17T18:45:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-9.39,"az":356.3,"t":"2027-02-17T18:50:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-9.44,"az":357.3,"t":"2027-02-17T18:55:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-9.47,"az":358.3,"t":"2027-02-17T19:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":359.3,"t":"2027-02-17T19:05:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":0.2,"t":"2027-02-17T19:10:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":1.2,"t":"2027-02-17T19:15:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-9.46,"az":2.2,"t":"2027-02-17T19:20:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-9.41,"az":3.2,"t":"2027-02-17T19:25:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-9.35,"az":4.2,"t":"2027-02-17T19:30:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-9.28,"az":5.2,"t":"2027-02-17T19:35:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-9.18,"az":6.2,"t":"2027-02-17T19:40:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-9.07,"az":7.2,"t":"2027-02-17T19:45:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-8.95,"az":8.1,"t":"2027-02-17T19:50:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-8.81,"az":9.1,"t":"2027-02-17T19:55:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-8.65,"az":10.1,"t":"2027-02-17T20:00:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-8.48,"az":11.1,"t":"2027-02-17T20:05:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-8.29,"az":12.0,"t":"2027-02-17T20:10:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-8.09,"az":13.0,"t":"2027-02-17T20:15:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-7.87,"az":14.0,"t":"2027-02-17T20:20:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-7.64,"az":14.9,"t":"2027-02-17T20:25:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-7.39,"az":15.9,"t":"2027-02-17T20:30:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-7.13,"az":16.8,"t":"2027-02-17T20:35:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-6.85,"az":17.8,"t":"2027-02-17T20:40:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-6.56,"az":18.7,"t":"2027-02-17T20:45:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-6.25,"az":19.6,"t":"2027-02-17T20:50:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-5.93,"az":20.6,"t":"2027-02-17T20:55:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-5.59,"az":21.5,"t":"2027-02-17T21:00:00Z","terrain":0.83},{"above_terrain":false,"airmass":null,"alt":-5.24,"az":22.4,"t":"2027-02-17T21:05:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-4.88,"az":23.3,"t":"2027-02-17T21:10:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-4.5,"az":24.2,"t":"2027-02-17T21:15:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-4.11,"az":25.1,"t":"2027-02-17T21:20:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-3.71,"az":26.0,"t":"2027-02-17T21:25:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-3.29,"az":26.9,"t":"2027-02-17T21:30:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-2.86,"az":27.8,"t":"2027-02-17T21:35:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-2.42,"az":28.6,"t":"2027-02-17T21:40:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-1.96,"az":29.5,"t":"2027-02-17T21:45:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-1.5,"az":30.4,"t":"2027-02-17T21:50:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-1.02,"az":31.2,"t":"2027-02-17T21:55:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-0.53,"az":32.1,"t":"2027-02-17T22:00:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-0.03,"az":32.9,"t":"2027-02-17T22:05:00Z","terrain":1.03},{"above_terrain":false,"airmass":31.48,"alt":0.49,"az":33.7,"t":"2027-02-17T22:10:00Z","terrain":0.58},{"above_terrain":true,"airmass":26.19,"alt":1.01,"az":34.5,"t":"2027-02-17T22:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":22.1,"alt":1.55,"az":35.4,"t":"2027-02-17T22:20:00Z","terrain":0.04},{"above_terrain":true,"airmass":18.93,"alt":2.1,"az":36.2,"t":"2027-02-17T22:25:00Z","terrain":0.01},{"above_terrain":true,"airmass":16.42,"alt":2.66,"az":37.0,"t":"2027-02-17T22:30:00Z","terrain":-0.09},{"above_terrain":true,"airmass":14.41,"alt":3.22,"az":37.8,"t":"2027-02-17T22:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":12.79,"alt":3.8,"az":38.6,"t":"2027-02-17T22:40:00Z","terrain":-0.18},{"above_terrain":true,"airmass":11.44,"alt":4.39,"az":39.3,"t":"2027-02-17T22:45:00Z","terrain":-0.12},{"above_terrain":true,"airmass":10.33,"alt":4.99,"az":40.1,"t":"2027-02-17T22:50:00Z","terrain":-0.04},{"above_terrain":true,"airmass":9.38,"alt":5.6,"az":40.9,"t":"2027-02-17T22:55:00Z","terrain":0.01},{"above_terrain":true,"airmass":8.58,"alt":6.21,"az":41.6,"t":"2027-02-17T23:00:00Z","terrain":0.08},{"above_terrain":true,"airmass":7.89,"alt":6.84,"az":42.4,"t":"2027-02-17T23:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":7.29,"alt":7.48,"az":43.1,"t":"2027-02-17T23:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":6.76,"alt":8.12,"az":43.9,"t":"2027-02-17T23:15:00Z","terrain":0.39},{"above_terrain":true,"airmass":6.3,"alt":8.77,"az":44.6,"t":"2027-02-17T23:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":5.9,"alt":9.43,"az":45.3,"t":"2027-02-17T23:25:00Z","terrain":0.61},{"above_terrain":true,"airmass":5.53,"alt":10.1,"az":46.1,"t":"2027-02-17T23:30:00Z","terrain":0.67},{"above_terrain":true,"airmass":5.21,"alt":10.78,"az":46.8,"t":"2027-02-17T23:35:00Z","terrain":0.62},{"above_terrain":true,"airmass":4.91,"alt":11.47,"az":47.5,"t":"2027-02-17T23:40:00Z","terrain":0.57},{"above_terrain":true,"airmass":4.65,"alt":12.16,"az":48.2,"t":"2027-02-17T23:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.41,"alt":12.86,"az":48.9,"t":"2027-02-17T23:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":4.19,"alt":13.57,"az":49.6,"t":"2027-02-17T23:55:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.99,"alt":14.29,"az":50.3,"t":"2027-02-18T00:00:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.81,"alt":15.01,"az":50.9,"t":"2027-02-18T00:05:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.64,"alt":15.74,"az":51.6,"t":"2027-02-18T00:10:00Z","terrain":0.59},{"above_terrain":true,"airmass":3.49,"alt":16.48,"az":52.3,"t":"2027-02-18T00:15:00Z","terrain":0.69},{"above_terrain":true,"airmass":3.34,"alt":17.22,"az":52.9,"t":"2027-02-18T00:20:00Z","terrain":0.83},{"above_terrain":true,"airmass":3.21,"alt":17.97,"az":53.6,"t":"2027-02-18T00:25:00Z","terrain":0.94},{"above_terrain":true,"airmass":3.09,"alt":18.73,"az":54.3,"t":"2027-02-18T00:30:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.97,"alt":19.49,"az":54.9,"t":"2027-02-18T00:35:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.87,"alt":20.26,"az":55.5,"t":"2027-02-18T00:40:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.77,"alt":21.04,"az":56.2,"t":"2027-02-18T00:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.68,"alt":21.82,"az":56.8,"t":"2027-02-18T00:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.59,"alt":22.6,"az":57.4,"t":"2027-02-18T00:55:00Z","terrain":1.15},{"above_terrain":true,"airmass":2.51,"alt":23.39,"az":58.1,"t":"2027-02-18T01:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.43,"alt":24.19,"az":58.7,"t":"2027-02-18T01:05:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.36,"alt":24.99,"az":59.3,"t":"2027-02-18T01:10:00Z","terrain":1.2},{"above_terrain":true,"airmass":2.29,"alt":25.8,"az":59.9,"t":"2027-02-18T01:15:00Z","terrain":1.17},{"above_terrain":true,"airmass":2.22,"alt":26.61,"az":60.5,"t":"2027-02-18T01:20:00Z","terrain":1.13},{"above_terrain":true,"airmass":2.16,"alt":27.43,"az":61.1,"t":"2027-02-18T01:25:00Z","terrain":1.08},{"above_terrain":true,"airmass":2.11,"alt":28.25,"az":61.7,"t":"2027-02-18T01:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.05,"alt":29.08,"az":62.3,"t":"2027-02-18T01:35:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.0,"alt":29.91,"az":62.9,"t":"2027-02-18T01:40:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.95,"alt":30.74,"az":63.5,"t":"2027-02-18T01:45:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.9,"alt":31.58,"az":64.0,"t":"2027-02-18T01:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.86,"alt":32.43,"az":64.6,"t":"2027-02-18T01:55:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.82,"alt":33.27,"az":65.2,"t":"2027-02-18T02:00:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.78,"alt":34.13,"az":65.8,"t":"2027-02-18T02:05:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.74,"alt":34.98,"az":66.4,"t":"2027-02-18T02:10:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.7,"alt":35.84,"az":66.9,"t":"2027-02-18T02:15:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.67,"alt":36.7,"az":67.5,"t":"2027-02-18T02:20:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.64,"alt":37.57,"az":68.1,"t":"2027-02-18T02:25:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.61,"alt":38.44,"az":68.6,"t":"2027-02-18T02:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.58,"alt":39.31,"az":69.2,"t":"2027-02-18T02:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.55,"alt":40.19,"az":69.7,"t":"2027-02-18T02:40:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.52,"alt":41.07,"az":70.3,"t":"2027-02-18T02:45:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.49,"alt":41.95,"az":70.9,"t":"2027-02-18T02:50:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.47,"alt":42.84,"az":71.4,"t":"2027-02-18T02:55:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.44,"alt":43.73,"az":72.0,"t":"2027-02-18T03:00:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.42,"alt":44.62,"az":72.5,"t":"2027-02-18T03:05:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.4,"alt":45.51,"az":73.1,"t":"2027-02-18T03:10:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.38,"alt":46.41,"az":73.6,"t":"2027-02-18T03:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.36,"alt":47.31,"az":74.2,"t":"2027-02-18T03:20:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.34,"alt":48.21,"az":74.8,"t":"2027-02-18T03:25:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.32,"alt":49.11,"az":75.3,"t":"2027-02-18T03:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.3,"alt":50.02,"az":75.9,"t":"2027-02-18T03:35:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.29,"alt":50.93,"az":76.4,"t":"2027-02-18T03:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.27,"alt":51.84,"az":77.0,"t":"2027-02-18T03:45:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.26,"alt":52.75,"az":77.6,"t":"2027-02-18T03:50:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.24,"alt":53.67,"az":78.1,"t":"2027-02-18T03:55:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.23,"alt":54.59,"az":78.7,"t":"2027-02-18T04:00:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.21,"alt":55.5,"az":79.3,"t":"2027-02-18T04:05:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.2,"alt":56.43,"az":79.9,"t":"2027-02-18T04:10:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.19,"alt":57.35,"az":80.5,"t":"2027-02-18T04:15:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.17,"alt":58.27,"az":81.1,"t":"2027-02-18T04:20:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.16,"alt":59.2,"az":81.7,"t":"2027-02-18T04:25:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.15,"alt":60.12,"az":82.3,"t":"2027-02-18T04:30:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.14,"alt":61.05,"az":82.9,"t":"2027-02-18T04:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.13,"alt":61.98,"az":83.5,"t":"2027-02-18T04:40:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.12,"alt":62.91,"az":84.2,"t":"2027-02-18T04:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.11,"alt":63.84,"az":84.8,"t":"2027-02-18T04:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.1,"alt":64.78,"az":85.5,"t":"2027-02-18T04:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.1,"alt":65.71,"az":86.2,"t":"2027-02-18T05:00:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.09,"alt":66.64,"az":86.9,"t":"2027-02-18T05:05:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.08,"alt":67.58,"az":87.6,"t":"2027-02-18T05:10:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.07,"alt":68.51,"az":88.4,"t":"2027-02-18T05:15:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.07,"alt":69.45,"az":89.1,"t":"2027-02-18T05:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.06,"alt":70.39,"az":90.0,"t":"2027-02-18T05:25:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.06,"alt":71.32,"az":90.8,"t":"2027-02-18T05:30:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.05,"alt":72.26,"az":91.7,"t":"2027-02-18T05:35:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.04,"alt":73.19,"az":92.7,"t":"2027-02-18T05:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.04,"alt":74.13,"az":93.7,"t":"2027-02-18T05:45:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.03,"alt":75.06,"az":94.7,"t":"2027-02-18T05:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":75.99,"az":95.9,"t":"2027-02-18T05:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.03,"alt":76.92,"az":97.2,"t":"2027-02-18T06:00:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.02,"alt":77.85,"az":98.6,"t":"2027-02-18T06:05:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.02,"alt":78.77,"az":100.2,"t":"2027-02-18T06:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":79.69,"az":102.0,"t":"2027-02-18T06:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.01,"alt":80.6,"az":104.0,"t":"2027-02-18T06:20:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.01,"alt":81.51,"az":106.4,"t":"2027-02-18T06:25:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.01,"alt":82.4,"az":109.3,"t":"2027-02-18T06:30:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.01,"alt":83.27,"az":112.8,"t":"2027-02-18T06:35:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.0,"alt":84.12,"az":117.2,"t":"2027-02-18T06:40:00Z","terrain":-1.6},{"above_terrain":true,"airmass":1.0,"alt":84.93,"az":122.9,"t":"2027-02-18T06:45:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.0,"alt":85.68,"az":130.5,"t":"2027-02-18T06:50:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.0,"alt":86.34,"az":141.0,"t":"2027-02-18T06:55:00Z","terrain":-1.1},{"above_terrain":true,"airmass":1.0,"alt":86.84,"az":155.2,"t":"2027-02-18T07:00:00Z","terrain":-1.11},{"above_terrain":true,"airmass":1.0,"alt":87.09,"az":173.1,"t":"2027-02-18T07:05:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.0,"alt":87.05,"az":192.3,"t":"2027-02-18T07:10:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.0,"alt":86.72,"az":209.2,"t":"2027-02-18T07:15:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.0,"alt":86.17,"az":222.3,"t":"2027-02-18T07:20:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.0,"alt":85.48,"az":231.9,"t":"2027-02-18T07:25:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.0,"alt":84.71,"az":238.9,"t":"2027-02-18T07:30:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.01,"alt":83.88,"az":244.2,"t":"2027-02-18T07:35:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.01,"alt":83.03,"az":248.3,"t":"2027-02-18T07:40:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.01,"alt":82.15,"az":251.6,"t":"2027-02-18T07:45:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.01,"alt":81.25,"az":254.3,"t":"2027-02-18T07:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.01,"alt":80.35,"az":256.6,"t":"2027-02-18T07:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.02,"alt":79.43,"az":258.6,"t":"2027-02-18T08:00:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.02,"alt":78.51,"az":260.3,"t":"2027-02-18T08:05:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.02,"alt":77.59,"az":261.8,"t":"2027-02-18T08:10:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.03,"alt":76.66,"az":263.2,"t":"2027-02-18T08:15:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.03,"alt":75.73,"az":264.4,"t":"2027-02-18T08:20:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.04,"alt":74.8,"az":265.6,"t":"2027-02-18T08:25:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.04,"alt":73.86,"az":266.6,"t":"2027-02-18T08:30:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.05,"alt":72.93,"az":267.6,"t":"2027-02-18T08:35:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.05,"alt":71.99,"az":268.6,"t":"2027-02-18T08:40:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.06,"alt":71.06,"az":269.4,"t":"2027-02-18T08:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.06,"alt":70.12,"az":270.3,"t":"2027-02-18T08:50:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.07,"alt":69.18,"az":271.1,"t":"2027-02-18T08:55:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.08,"alt":68.25,"az":271.8,"t":"2027-02-18T09:00:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.08,"alt":67.31,"az":272.6,"t":"2027-02-18T09:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.09,"alt":66.38,"az":273.3,"t":"2027-02-18T09:10:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.1,"alt":65.44,"az":274.0,"t":"2027-02-18T09:15:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.11,"alt":64.51,"az":274.7,"t":"2027-02-18T09:20:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.12,"alt":63.58,"az":275.4,"t":"2027-02-18T09:25:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.13,"alt":62.65,"az":276.0,"t":"2027-02-18T09:30:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.13,"alt":61.72,"az":276.7,"t":"2027-02-18T09:35:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.15,"alt":60.79,"az":277.3,"t":"2027-02-18T09:40:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.16,"alt":59.86,"az":277.9,"t":"2027-02-18T09:45:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.17,"alt":58.93,"az":278.5,"t":"2027-02-18T09:50:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.18,"alt":58.01,"az":279.1,"t":"2027-02-18T09:55:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.19,"alt":57.09,"az":279.7,"t":"2027-02-18T10:00:00Z","terrain":-0.1}],"transit":{"airmass":1.0,"alt":87.1,"az":173.1,"t":"2027-02-18T07:05:00Z"},"usable_hours":3.0,"verdict":"marginal","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."]}