{"assessment":{"best_window":{"end":"2028-03-18T02:55Z","end_local":"04:55","hours":1.33,"label":"good","mean_quality":0.7,"start":"2028-03-18T01:35Z","start_local":"03:35"},"cost":{"altitude":7.68,"clouds":0.0,"darkness":1.13,"moon":0.24},"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":3,"cloud":null,"high":null,"iso":"2028-03-17T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-72,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"19:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2028-03-17T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-64,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"20:00","wind":null},{"alt":-3,"cloud":null,"high":null,"iso":"2028-03-17T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-54,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2028-03-17T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-43,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2028-03-17T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-33,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":2,"cloud":null,"high":null,"iso":"2028-03-17T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-22,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2028-03-17T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-12,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2028-03-18T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-3,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2028-03-18T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":6,"precip":null,"q":0.44,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":31,"cloud":null,"high":null,"iso":"2028-03-18T02:00Z","label":"good","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.7,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":41,"cloud":null,"high":null,"iso":"2028-03-18T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.38,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":51,"cloud":null,"high":null,"iso":"2028-03-18T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":21,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.74,"peak_sky":0.74,"quality_hours":1.62,"reasons":["the target being low or below 20\u00b0 cost 7.7 quality-hours","daylight and twilight cost 1.1 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":30,"score_weather":null,"sky_hours":1.62,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2028-03-18T00:45Z","end_local":"02:45","hours":8.25,"label":"unusable","mean_quality":0.0,"start":"2028-03-17T16:30Z","start_local":"18:30"},{"end":"2028-03-18T01:35Z","end_local":"03:35","hours":0.83,"label":"marginal","mean_quality":0.48,"start":"2028-03-18T00:45Z","start_local":"02:45"},{"end":"2028-03-18T02:55Z","end_local":"04:55","hours":1.33,"label":"good","mean_quality":0.7,"start":"2028-03-18T01:35Z","start_local":"03:35"},{"end":"2028-03-18T03:30Z","end_local":"05:30","hours":0.58,"label":"marginal","mean_quality":0.38,"start":"2028-03-18T02:55Z","start_local":"04:55"},{"end":"2028-03-18T04:00Z","end_local":"06:00","hours":0.5,"label":"poor","mean_quality":0.12,"start":"2028-03-18T03:30Z","start_local":"05:30"},{"end":"2028-03-18T04:30Z","end_local":"06:30","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-03-18T04:00Z","start_local":"06:00"}]},"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":"2028-03-17T18:03:21Z","dark_hours":8.85,"dark_to":"2028-03-18T02:54:18Z","moon":{"illumination":0.504,"phase":"last quarter","waxing":false},"moon_free_dark_hours":6.27,"moonrise":"2028-03-18T00:20:30Z","moonset":"2028-03-18T08:58:41Z","sunrise":"2028-03-18T04:27:15Z","sunset":"2028-03-17T16:30:15Z","twilight":{"astronomical":{"end":"2028-03-17T18:03:21Z","start":"2028-03-18T02:54:18Z"},"civil":{"end":"2028-03-17T16:57:59Z","start":"2028-03-18T03:59:35Z"},"nautical":{"end":"2028-03-17T17:30:23Z","start":"2028-03-18T03:27:14Z"}},"window_end":"2028-03-18T10:00:00Z","window_start":"2028-03-17T10:00:00Z"},"night_date":"2028-03-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.57,"alt":39.4,"t":"2028-03-18T02:50:00Z"},"dec":44.33,"dec_of_date":44.4407,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":1.0,"limit_rise":"2028-03-18T00:42:44Z","limit_set":"2028-03-17T14:31:44Z","max_az_rate_deg_per_min":3.62,"moon_separation":82.9,"never_rises":false,"ra":314.69583333,"ra_of_date":314.9482,"ra_str":"20h 58m 47.0s","resolved":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"},"summary":"Only 1.0 h above 30\u00b0, 2.2 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2028-03-17T17:48:25Z","blocked_dark_hours":0,"clears_at":"2028-03-17T21:49:56Z","rise_az":288.1},"track":[{"above_terrain":true,"airmass":1.11,"alt":64.27,"az":288.1,"t":"2028-03-17T10:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.38,"az":288.4,"t":"2028-03-17T10:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":62.49,"az":288.6,"t":"2028-03-17T10:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.61,"az":288.9,"t":"2028-03-17T10:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.72,"az":289.2,"t":"2028-03-17T10:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.16,"alt":59.84,"az":289.5,"t":"2028-03-17T10:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.17,"alt":58.96,"az":289.8,"t":"2028-03-17T10:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.18,"alt":58.08,"az":290.1,"t":"2028-03-17T10:35:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.19,"alt":57.2,"az":290.4,"t":"2028-03-17T10:40:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.2,"alt":56.32,"az":290.7,"t":"2028-03-17T10:45:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.21,"alt":55.45,"az":291.1,"t":"2028-03-17T10:50:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.23,"alt":54.58,"az":291.4,"t":"2028-03-17T10:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.24,"alt":53.71,"az":291.8,"t":"2028-03-17T11:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.25,"alt":52.84,"az":292.2,"t":"2028-03-17T11:05:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.27,"alt":51.97,"az":292.5,"t":"2028-03-17T11:10:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.28,"alt":51.11,"az":292.9,"t":"2028-03-17T11:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.3,"alt":50.25,"az":293.3,"t":"2028-03-17T11:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.39,"az":293.7,"t":"2028-03-17T11:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.54,"az":294.1,"t":"2028-03-17T11:30:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.68,"az":294.5,"t":"2028-03-17T11:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":46.83,"az":294.9,"t":"2028-03-17T11:40:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":45.98,"az":295.3,"t":"2028-03-17T11:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.41,"alt":45.14,"az":295.7,"t":"2028-03-17T11:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.43,"alt":44.3,"az":296.2,"t":"2028-03-17T11:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.45,"alt":43.46,"az":296.6,"t":"2028-03-17T12:00:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.47,"alt":42.62,"az":297.0,"t":"2028-03-17T12:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.5,"alt":41.79,"az":297.5,"t":"2028-03-17T12:10:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.52,"alt":40.96,"az":297.9,"t":"2028-03-17T12:15:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.55,"alt":40.14,"az":298.4,"t":"2028-03-17T12:20:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.58,"alt":39.32,"az":298.8,"t":"2028-03-17T12:25:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.6,"alt":38.5,"az":299.3,"t":"2028-03-17T12:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.63,"alt":37.69,"az":299.8,"t":"2028-03-17T12:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.66,"alt":36.87,"az":300.3,"t":"2028-03-17T12:40:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.7,"alt":36.07,"az":300.7,"t":"2028-03-17T12:45:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.73,"alt":35.27,"az":301.2,"t":"2028-03-17T12:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.76,"alt":34.47,"az":301.7,"t":"2028-03-17T12:55:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.8,"alt":33.67,"az":302.2,"t":"2028-03-17T13:00:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.84,"alt":32.88,"az":302.7,"t":"2028-03-17T13:05:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.88,"alt":32.1,"az":303.2,"t":"2028-03-17T13:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.92,"alt":31.32,"az":303.8,"t":"2028-03-17T13:15:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.96,"alt":30.54,"az":304.3,"t":"2028-03-17T13:20:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.01,"alt":29.77,"az":304.8,"t":"2028-03-17T13:25:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.06,"alt":29.01,"az":305.3,"t":"2028-03-17T13:30:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.11,"alt":28.24,"az":305.9,"t":"2028-03-17T13:35:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.16,"alt":27.49,"az":306.4,"t":"2028-03-17T13:40:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.21,"alt":26.74,"az":307.0,"t":"2028-03-17T13:45:00Z","terrain":0.16},{"above_terrain":true,"airmass":2.27,"alt":25.99,"az":307.5,"t":"2028-03-17T13:50:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.33,"alt":25.25,"az":308.1,"t":"2028-03-17T13:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.4,"alt":24.52,"az":308.6,"t":"2028-03-17T14:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.47,"alt":23.79,"az":309.2,"t":"2028-03-17T14:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.54,"alt":23.07,"az":309.8,"t":"2028-03-17T14:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.61,"alt":22.35,"az":310.4,"t":"2028-03-17T14:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.7,"alt":21.64,"az":310.9,"t":"2028-03-17T14:20:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.78,"alt":20.94,"az":311.5,"t":"2028-03-17T14:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.87,"alt":20.24,"az":312.1,"t":"2028-03-17T14:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":2.97,"alt":19.55,"az":312.7,"t":"2028-03-17T14:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.07,"alt":18.87,"az":313.4,"t":"2028-03-17T14:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.18,"alt":18.19,"az":314.0,"t":"2028-03-17T14:45:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.29,"alt":17.52,"az":314.6,"t":"2028-03-17T14:50:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.41,"alt":16.86,"az":315.2,"t":"2028-03-17T14:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.54,"alt":16.2,"az":315.9,"t":"2028-03-17T15:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.68,"alt":15.55,"az":316.5,"t":"2028-03-17T15:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":3.83,"alt":14.91,"az":317.1,"t":"2028-03-17T15:10:00Z","terrain":0.3},{"above_terrain":true,"airmass":4.0,"alt":14.28,"az":317.8,"t":"2028-03-17T15:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.17,"alt":13.66,"az":318.5,"t":"2028-03-17T15:20:00Z","terrain":0.11},{"above_terrain":true,"airmass":4.35,"alt":13.04,"az":319.1,"t":"2028-03-17T15:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":4.56,"alt":12.43,"az":319.8,"t":"2028-03-17T15:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.77,"alt":11.83,"az":320.5,"t":"2028-03-17T15:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.01,"alt":11.24,"az":321.2,"t":"2028-03-17T15:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":5.26,"alt":10.66,"az":321.9,"t":"2028-03-17T15:45:00Z","terrain":0.15},{"above_terrain":true,"airmass":5.54,"alt":10.08,"az":322.6,"t":"2028-03-17T15:50:00Z","terrain":0.14},{"above_terrain":true,"airmass":5.85,"alt":9.52,"az":323.3,"t":"2028-03-17T15:55:00Z","terrain":0.0},{"above_terrain":true,"airmass":6.18,"alt":8.96,"az":324.0,"t":"2028-03-17T16:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.55,"alt":8.42,"az":324.7,"t":"2028-03-17T16:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.95,"alt":7.88,"az":325.4,"t":"2028-03-17T16:10:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.39,"alt":7.36,"az":326.1,"t":"2028-03-17T16:15:00Z","terrain":-0.26},{"above_terrain":true,"airmass":7.89,"alt":6.84,"az":326.9,"t":"2028-03-17T16:20:00Z","terrain":-0.37},{"above_terrain":true,"airmass":8.44,"alt":6.33,"az":327.6,"t":"2028-03-17T16:25:00Z","terrain":-0.29},{"above_terrain":true,"airmass":9.05,"alt":5.84,"az":328.4,"t":"2028-03-17T16:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":9.74,"alt":5.35,"az":329.1,"t":"2028-03-17T16:35:00Z","terrain":-0.16},{"above_terrain":true,"airmass":10.52,"alt":4.88,"az":329.9,"t":"2028-03-17T16:40:00Z","terrain":-0.33},{"above_terrain":true,"airmass":11.4,"alt":4.41,"az":330.7,"t":"2028-03-17T16:45:00Z","terrain":-0.38},{"above_terrain":true,"airmass":12.4,"alt":3.96,"az":331.4,"t":"2028-03-17T16:50:00Z","terrain":-0.28},{"above_terrain":true,"airmass":13.54,"alt":3.52,"az":332.2,"t":"2028-03-17T16:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":14.86,"alt":3.09,"az":333.0,"t":"2028-03-17T17:00:00Z","terrain":-0.12},{"above_terrain":true,"airmass":16.37,"alt":2.67,"az":333.8,"t":"2028-03-17T17:05:00Z","terrain":-0.21},{"above_terrain":true,"airmass":18.13,"alt":2.26,"az":334.6,"t":"2028-03-17T17:10:00Z","terrain":-0.44},{"above_terrain":true,"airmass":20.18,"alt":1.86,"az":335.4,"t":"2028-03-17T17:15:00Z","terrain":-0.68},{"above_terrain":true,"airmass":22.58,"alt":1.48,"az":336.2,"t":"2028-03-17T17:20:00Z","terrain":-0.81},{"above_terrain":true,"airmass":25.38,"alt":1.11,"az":337.0,"t":"2028-03-17T17:25:00Z","terrain":-0.73},{"above_terrain":true,"airmass":28.67,"alt":0.75,"az":337.8,"t":"2028-03-17T17:30:00Z","terrain":-0.51},{"above_terrain":true,"airmass":32.5,"alt":0.4,"az":338.7,"t":"2028-03-17T17:35:00Z","terrain":-0.65},{"above_terrain":true,"airmass":36.92,"alt":0.07,"az":339.5,"t":"2028-03-17T17:40:00Z","terrain":-0.64},{"above_terrain":true,"airmass":null,"alt":-0.25,"az":340.3,"t":"2028-03-17T17:45:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-0.56,"az":341.2,"t":"2028-03-17T17:50:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-0.86,"az":342.0,"t":"2028-03-17T17:55:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-1.14,"az":342.9,"t":"2028-03-17T18:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.41,"az":343.7,"t":"2028-03-17T18:05:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.67,"az":344.6,"t":"2028-03-17T18:10:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.91,"az":345.4,"t":"2028-03-17T18:15:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-2.14,"az":346.3,"t":"2028-03-17T18:20:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-2.35,"az":347.2,"t":"2028-03-17T18:25:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-2.55,"az":348.0,"t":"2028-03-17T18:30:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-2.74,"az":348.9,"t":"2028-03-17T18:35:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-2.91,"az":349.8,"t":"2028-03-17T18:40:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-3.07,"az":350.7,"t":"2028-03-17T18:45:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.21,"az":351.6,"t":"2028-03-17T18:50:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":352.4,"t":"2028-03-17T18:55:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-3.46,"az":353.3,"t":"2028-03-17T19:00:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-3.56,"az":354.2,"t":"2028-03-17T19:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.65,"az":355.1,"t":"2028-03-17T19:10:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":356.0,"t":"2028-03-17T19:15:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.78,"az":356.9,"t":"2028-03-17T19:20:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":357.8,"t":"2028-03-17T19:25:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":358.7,"t":"2028-03-17T19:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":359.6,"t":"2028-03-17T19:35:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":0.5,"t":"2028-03-17T19:40:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":1.4,"t":"2028-03-17T19:45:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":2.3,"t":"2028-03-17T19:50:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":3.2,"t":"2028-03-17T19:55:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-3.71,"az":4.1,"t":"2028-03-17T20:00:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-3.64,"az":5.0,"t":"2028-03-17T20:05:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-3.55,"az":5.9,"t":"2028-03-17T20:10:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-3.45,"az":6.8,"t":"2028-03-17T20:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-3.33,"az":7.6,"t":"2028-03-17T20:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.2,"az":8.5,"t":"2028-03-17T20:25:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-3.05,"az":9.4,"t":"2028-03-17T20:30:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-2.89,"az":10.3,"t":"2028-03-17T20:35:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-2.72,"az":11.2,"t":"2028-03-17T20:40:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-2.53,"az":12.1,"t":"2028-03-17T20:45:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-2.33,"az":12.9,"t":"2028-03-17T20:50:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-2.11,"az":13.8,"t":"2028-03-17T20:55:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-1.88,"az":14.7,"t":"2028-03-17T21:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-1.64,"az":15.5,"t":"2028-03-17T21:05:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-1.38,"az":16.4,"t":"2028-03-17T21:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.11,"az":17.2,"t":"2028-03-17T21:15:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-0.83,"az":18.1,"t":"2028-03-17T21:20:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-0.53,"az":18.9,"t":"2028-03-17T21:25:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-0.22,"az":19.8,"t":"2028-03-17T21:30:00Z","terrain":0.66},{"above_terrain":false,"airmass":36.44,"alt":0.1,"az":20.6,"t":"2028-03-17T21:35:00Z","terrain":0.68},{"above_terrain":false,"airmass":32.08,"alt":0.44,"az":21.4,"t":"2028-03-17T21:40:00Z","terrain":0.82},{"above_terrain":false,"airmass":28.31,"alt":0.79,"az":22.3,"t":"2028-03-17T21:45:00Z","terrain":1.03},{"above_terrain":true,"airmass":25.07,"alt":1.15,"az":23.1,"t":"2028-03-17T21:50:00Z","terrain":1.14},{"above_terrain":true,"airmass":22.31,"alt":1.52,"az":23.9,"t":"2028-03-17T21:55:00Z","terrain":0.95},{"above_terrain":true,"airmass":19.95,"alt":1.9,"az":24.7,"t":"2028-03-17T22:00:00Z","terrain":1.13},{"above_terrain":true,"airmass":17.94,"alt":2.3,"az":25.5,"t":"2028-03-17T22:05:00Z","terrain":1.28},{"above_terrain":true,"airmass":16.21,"alt":2.71,"az":26.3,"t":"2028-03-17T22:10:00Z","terrain":1.32},{"above_terrain":true,"airmass":14.71,"alt":3.13,"az":27.1,"t":"2028-03-17T22:15:00Z","terrain":1.27},{"above_terrain":true,"airmass":13.42,"alt":3.56,"az":27.9,"t":"2028-03-17T22:20:00Z","terrain":1.2},{"above_terrain":true,"airmass":12.29,"alt":4.01,"az":28.6,"t":"2028-03-17T22:25:00Z","terrain":1.07},{"above_terrain":true,"airmass":11.3,"alt":4.46,"az":29.4,"t":"2028-03-17T22:30:00Z","terrain":1.06},{"above_terrain":true,"airmass":10.43,"alt":4.92,"az":30.2,"t":"2028-03-17T22:35:00Z","terrain":1.18},{"above_terrain":true,"airmass":9.67,"alt":5.4,"az":30.9,"t":"2028-03-17T22:40:00Z","terrain":1.3},{"above_terrain":true,"airmass":8.99,"alt":5.89,"az":31.7,"t":"2028-03-17T22:45:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.38,"alt":6.38,"az":32.5,"t":"2028-03-17T22:50:00Z","terrain":1.18},{"above_terrain":true,"airmass":7.84,"alt":6.89,"az":33.2,"t":"2028-03-17T22:55:00Z","terrain":0.88},{"above_terrain":true,"airmass":7.35,"alt":7.41,"az":33.9,"t":"2028-03-17T23:00:00Z","terrain":0.47},{"above_terrain":true,"airmass":6.91,"alt":7.94,"az":34.7,"t":"2028-03-17T23:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":6.51,"alt":8.47,"az":35.4,"t":"2028-03-17T23:10:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.14,"alt":9.02,"az":36.1,"t":"2028-03-17T23:15:00Z","terrain":0.02},{"above_terrain":true,"airmass":5.81,"alt":9.58,"az":36.8,"t":"2028-03-17T23:20:00Z","terrain":-0.07},{"above_terrain":true,"airmass":5.51,"alt":10.14,"az":37.5,"t":"2028-03-17T23:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":5.24,"alt":10.72,"az":38.2,"t":"2028-03-17T23:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.98,"alt":11.3,"az":38.9,"t":"2028-03-17T23:35:00Z","terrain":-0.16},{"above_terrain":true,"airmass":4.75,"alt":11.89,"az":39.6,"t":"2028-03-17T23:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":4.53,"alt":12.49,"az":40.3,"t":"2028-03-17T23:45:00Z","terrain":-0.03},{"above_terrain":true,"airmass":4.33,"alt":13.1,"az":40.9,"t":"2028-03-17T23:50:00Z","terrain":0.02},{"above_terrain":true,"airmass":4.15,"alt":13.72,"az":41.6,"t":"2028-03-17T23:55:00Z","terrain":0.08},{"above_terrain":true,"airmass":3.98,"alt":14.34,"az":42.3,"t":"2028-03-18T00:00:00Z","terrain":0.15},{"above_terrain":true,"airmass":3.82,"alt":14.98,"az":42.9,"t":"2028-03-18T00:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.67,"alt":15.62,"az":43.6,"t":"2028-03-18T00:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.53,"alt":16.27,"az":44.2,"t":"2028-03-18T00:15:00Z","terrain":0.45},{"above_terrain":true,"airmass":3.4,"alt":16.92,"az":44.8,"t":"2028-03-18T00:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.28,"alt":17.59,"az":45.5,"t":"2028-03-18T00:25:00Z","terrain":0.62},{"above_terrain":true,"airmass":3.16,"alt":18.26,"az":46.1,"t":"2028-03-18T00:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.06,"alt":18.94,"az":46.7,"t":"2028-03-18T00:35:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.96,"alt":19.62,"az":47.3,"t":"2028-03-18T00:40:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.86,"alt":20.31,"az":47.9,"t":"2028-03-18T00:45:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.77,"alt":21.01,"az":48.5,"t":"2028-03-18T00:50:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.69,"alt":21.71,"az":49.1,"t":"2028-03-18T00:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.61,"alt":22.43,"az":49.7,"t":"2028-03-18T01:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.53,"alt":23.14,"az":50.3,"t":"2028-03-18T01:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":2.46,"alt":23.87,"az":50.9,"t":"2028-03-18T01:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.39,"alt":24.59,"az":51.4,"t":"2028-03-18T01:15:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.33,"alt":25.33,"az":52.0,"t":"2028-03-18T01:20:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.27,"alt":26.07,"az":52.5,"t":"2028-03-18T01:25:00Z","terrain":0.75},{"above_terrain":true,"airmass":2.21,"alt":26.81,"az":53.1,"t":"2028-03-18T01:30:00Z","terrain":0.86},{"above_terrain":true,"airmass":2.15,"alt":27.57,"az":53.6,"t":"2028-03-18T01:35:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.1,"alt":28.32,"az":54.2,"t":"2028-03-18T01:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.05,"alt":29.08,"az":54.7,"t":"2028-03-18T01:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.0,"alt":29.85,"az":55.3,"t":"2028-03-18T01:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.96,"alt":30.62,"az":55.8,"t":"2028-03-18T01:55:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.91,"alt":31.4,"az":56.3,"t":"2028-03-18T02:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.87,"alt":32.18,"az":56.8,"t":"2028-03-18T02:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.83,"alt":32.97,"az":57.3,"t":"2028-03-18T02:10:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.8,"alt":33.76,"az":57.8,"t":"2028-03-18T02:15:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.76,"alt":34.55,"az":58.3,"t":"2028-03-18T02:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.73,"alt":35.35,"az":58.8,"t":"2028-03-18T02:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.69,"alt":36.15,"az":59.3,"t":"2028-03-18T02:30:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.66,"alt":36.96,"az":59.8,"t":"2028-03-18T02:35:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.63,"alt":37.77,"az":60.3,"t":"2028-03-18T02:40:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.6,"alt":38.58,"az":60.7,"t":"2028-03-18T02:45:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.57,"alt":39.4,"az":61.2,"t":"2028-03-18T02:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.55,"alt":40.22,"az":61.7,"t":"2028-03-18T02:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.52,"alt":41.05,"az":62.1,"t":"2028-03-18T03:00:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.5,"alt":41.88,"az":62.6,"t":"2028-03-18T03:05:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.47,"alt":42.71,"az":63.0,"t":"2028-03-18T03:10:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.45,"alt":43.55,"az":63.4,"t":"2028-03-18T03:15:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.43,"alt":44.38,"az":63.9,"t":"2028-03-18T03:20:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.41,"alt":45.23,"az":64.3,"t":"2028-03-18T03:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":46.07,"az":64.7,"t":"2028-03-18T03:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.92,"az":65.1,"t":"2028-03-18T03:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.35,"alt":47.77,"az":65.6,"t":"2028-03-18T03:40:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.33,"alt":48.62,"az":66.0,"t":"2028-03-18T03:45:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.31,"alt":49.48,"az":66.4,"t":"2028-03-18T03:50:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.3,"alt":50.34,"az":66.8,"t":"2028-03-18T03:55:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.28,"alt":51.2,"az":67.1,"t":"2028-03-18T04:00:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.27,"alt":52.06,"az":67.5,"t":"2028-03-18T04:05:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.25,"alt":52.93,"az":67.9,"t":"2028-03-18T04:10:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.24,"alt":53.8,"az":68.2,"t":"2028-03-18T04:15:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.22,"alt":54.67,"az":68.6,"t":"2028-03-18T04:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.21,"alt":55.54,"az":69.0,"t":"2028-03-18T04:25:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.2,"alt":56.41,"az":69.3,"t":"2028-03-18T04:30:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.19,"alt":57.29,"az":69.6,"t":"2028-03-18T04:35:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.18,"alt":58.17,"az":69.9,"t":"2028-03-18T04:40:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.17,"alt":59.05,"az":70.3,"t":"2028-03-18T04:45:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.15,"alt":59.93,"az":70.6,"t":"2028-03-18T04:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.14,"alt":60.81,"az":70.8,"t":"2028-03-18T04:55:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.7,"az":71.1,"t":"2028-03-18T05:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.13,"alt":62.59,"az":71.4,"t":"2028-03-18T05:05:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.47,"az":71.6,"t":"2028-03-18T05:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":64.36,"az":71.9,"t":"2028-03-18T05:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.25,"az":72.1,"t":"2028-03-18T05:20:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.09,"alt":66.14,"az":72.3,"t":"2028-03-18T05:25:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.09,"alt":67.04,"az":72.5,"t":"2028-03-18T05:30:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.08,"alt":67.93,"az":72.6,"t":"2028-03-18T05:35:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.07,"alt":68.82,"az":72.8,"t":"2028-03-18T05:40:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.07,"alt":69.72,"az":72.9,"t":"2028-03-18T05:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.06,"alt":70.61,"az":72.9,"t":"2028-03-18T05:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.05,"alt":71.51,"az":73.0,"t":"2028-03-18T05:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.05,"alt":72.4,"az":73.0,"t":"2028-03-18T06:00:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.04,"alt":73.3,"az":72.9,"t":"2028-03-18T06:05:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.04,"alt":74.19,"az":72.8,"t":"2028-03-18T06:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.03,"alt":75.08,"az":72.6,"t":"2028-03-18T06:15:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.03,"alt":75.98,"az":72.4,"t":"2028-03-18T06:20:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.03,"alt":76.87,"az":72.0,"t":"2028-03-18T06:25:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.02,"alt":77.76,"az":71.5,"t":"2028-03-18T06:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.02,"alt":78.64,"az":70.9,"t":"2028-03-18T06:35:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.02,"alt":79.52,"az":70.1,"t":"2028-03-18T06:40:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.01,"alt":80.4,"az":69.1,"t":"2028-03-18T06:45:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.01,"alt":81.27,"az":67.8,"t":"2028-03-18T06:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.01,"alt":82.14,"az":66.2,"t":"2028-03-18T06:55:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.01,"alt":82.98,"az":64.0,"t":"2028-03-18T07:00:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":83.81,"az":61.1,"t":"2028-03-18T07:05:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.0,"alt":84.62,"az":57.2,"t":"2028-03-18T07:10:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.0,"alt":85.38,"az":51.8,"t":"2028-03-18T07:15:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.0,"alt":86.08,"az":44.2,"t":"2028-03-18T07:20:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.0,"alt":86.67,"az":33.5,"t":"2028-03-18T07:25:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.0,"alt":87.09,"az":18.9,"t":"2028-03-18T07:30:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.0,"alt":87.25,"az":1.0,"t":"2028-03-18T07:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.0,"alt":87.12,"az":342.9,"t":"2028-03-18T07:40:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.0,"alt":86.73,"az":327.9,"t":"2028-03-18T07:45:00Z","terrain":-0.25},{"above_terrain":true,"airmass":1.0,"alt":86.15,"az":316.8,"t":"2028-03-18T07:50:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.0,"alt":85.46,"az":308.9,"t":"2028-03-18T07:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.0,"alt":84.71,"az":303.3,"t":"2028-03-18T08:00:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.01,"alt":83.91,"az":299.3,"t":"2028-03-18T08:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.01,"alt":83.08,"az":296.3,"t":"2028-03-18T08:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.01,"alt":82.23,"az":294.0,"t":"2028-03-18T08:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.01,"alt":81.37,"az":292.3,"t":"2028-03-18T08:20:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.01,"alt":80.5,"az":291.0,"t":"2028-03-18T08:25:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.02,"alt":79.62,"az":290.0,"t":"2028-03-18T08:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.02,"alt":78.74,"az":289.2,"t":"2028-03-18T08:35:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.02,"alt":77.85,"az":288.5,"t":"2028-03-18T08:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":76.97,"az":288.0,"t":"2028-03-18T08:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.07,"az":287.7,"t":"2028-03-18T08:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.03,"alt":75.18,"az":287.4,"t":"2028-03-18T08:55:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.04,"alt":74.29,"az":287.2,"t":"2028-03-18T09:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.04,"alt":73.39,"az":287.1,"t":"2028-03-18T09:05:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.05,"alt":72.5,"az":287.0,"t":"2028-03-18T09:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.05,"alt":71.6,"az":287.0,"t":"2028-03-18T09:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.06,"alt":70.71,"az":287.1,"t":"2028-03-18T09:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.06,"alt":69.82,"az":287.1,"t":"2028-03-18T09:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.07,"alt":68.92,"az":287.2,"t":"2028-03-18T09:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.08,"alt":68.03,"az":287.4,"t":"2028-03-18T09:35:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.08,"alt":67.13,"az":287.5,"t":"2028-03-18T09:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.09,"alt":66.24,"az":287.7,"t":"2028-03-18T09:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.1,"alt":65.35,"az":287.9,"t":"2028-03-18T09:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.11,"alt":64.46,"az":288.1,"t":"2028-03-18T09:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.57,"az":288.3,"t":"2028-03-18T10:00:00Z","terrain":0.17}],"transit":{"airmass":1.0,"alt":87.3,"az":1.0,"t":"2028-03-18T07:35:00Z"},"usable_hours":2.17,"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."]}