{"assessment":{"best_window":{"end":"2039-03-21T02:55Z","end_local":"04:55","hours":1.75,"label":"good","mean_quality":0.79,"start":"2039-03-21T01:10Z","start_local":"03:10"},"cost":{"altitude":7.48,"clouds":0.0,"darkness":1.08,"moon":0.01},"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":2,"cloud":null,"high":null,"iso":"2039-03-20T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-53,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"19:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2039-03-20T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-62,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"20:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2039-03-20T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-68,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2039-03-20T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-68,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2039-03-20T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-63,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2039-03-20T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-54,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":8,"cloud":null,"high":null,"iso":"2039-03-20T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-44,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2039-03-21T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-33,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":24,"cloud":null,"high":null,"iso":"2039-03-21T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-22,"precip":null,"q":0.55,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2039-03-21T02:00Z","label":"good","low":null,"mid":null,"moon_alt":-12,"precip":null,"q":0.82,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2039-03-21T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.44,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":53,"cloud":null,"high":null,"iso":"2039-03-21T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.87,"peak_sky":0.87,"quality_hours":1.97,"reasons":["the target being low or below 20\u00b0 cost 7.5 quality-hours","daylight and twilight cost 1.1 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":43,"score_weather":null,"sky_hours":1.97,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2039-03-21T00:35Z","end_local":"02:35","hours":8.08,"label":"unusable","mean_quality":0.0,"start":"2039-03-20T16:30Z","start_local":"18:30"},{"end":"2039-03-21T01:10Z","end_local":"03:10","hours":0.58,"label":"marginal","mean_quality":0.49,"start":"2039-03-21T00:35Z","start_local":"02:35"},{"end":"2039-03-21T02:55Z","end_local":"04:55","hours":1.75,"label":"good","mean_quality":0.79,"start":"2039-03-21T01:10Z","start_local":"03:10"},{"end":"2039-03-21T03:25Z","end_local":"05:25","hours":0.5,"label":"marginal","mean_quality":0.44,"start":"2039-03-21T02:55Z","start_local":"04:55"},{"end":"2039-03-21T04:00Z","end_local":"06:00","hours":0.58,"label":"poor","mean_quality":0.13,"start":"2039-03-21T03:25Z","start_local":"05:25"},{"end":"2039-03-21T04:25Z","end_local":"06:25","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2039-03-21T04:00Z","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":"2039-03-20T18:06:12Z","dark_hours":8.73,"dark_to":"2039-03-21T02:50:00Z","moon":{"illumination":0.151,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":8.72,"moonrise":"2039-03-21T03:09:47Z","moonset":"2039-03-20T11:49:15Z","sunrise":"2039-03-21T04:23:16Z","sunset":"2039-03-20T16:32:48Z","twilight":{"astronomical":{"end":"2039-03-20T18:06:12Z","start":"2039-03-21T02:50:00Z"},"civil":{"end":"2039-03-20T17:00:33Z","start":"2039-03-21T03:55:34Z"},"nautical":{"end":"2039-03-20T17:33:03Z","start":"2039-03-21T03:23:06Z"}},"window_end":"2039-03-21T10:00:00Z","window_start":"2039-03-20T10:00:00Z"},"night_date":"2039-03-20","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.53,"alt":40.9,"t":"2039-03-21T02:50:00Z"},"dec":44.33,"dec_of_date":44.484,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":1.17,"limit_rise":"2039-03-21T00:33:45Z","limit_set":"2039-03-20T14:23:09Z","max_az_rate_deg_per_min":3.62,"moon_separation":64.4,"never_rises":false,"ra":314.69583333,"ra_of_date":315.0468,"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 1.2 h above 30\u00b0, 2.3 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2039-03-20T17:39:55Z","blocked_dark_hours":0,"clears_at":"2039-03-20T21:40:22Z","rise_az":288.7},"track":[{"above_terrain":true,"airmass":1.12,"alt":62.71,"az":288.7,"t":"2039-03-20T10:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.13,"alt":61.83,"az":288.9,"t":"2039-03-20T10:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":60.94,"az":289.2,"t":"2039-03-20T10:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.15,"alt":60.06,"az":289.5,"t":"2039-03-20T10:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.16,"alt":59.18,"az":289.8,"t":"2039-03-20T10:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.17,"alt":58.3,"az":290.1,"t":"2039-03-20T10:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.19,"alt":57.42,"az":290.4,"t":"2039-03-20T10:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.2,"alt":56.55,"az":290.7,"t":"2039-03-20T10:35:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.21,"alt":55.67,"az":291.1,"t":"2039-03-20T10:40:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.22,"alt":54.8,"az":291.4,"t":"2039-03-20T10:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.24,"alt":53.93,"az":291.8,"t":"2039-03-20T10:50:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.25,"alt":53.06,"az":292.1,"t":"2039-03-20T10:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.26,"alt":52.19,"az":292.5,"t":"2039-03-20T11:00:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.28,"alt":51.33,"az":292.9,"t":"2039-03-20T11:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.3,"alt":50.47,"az":293.3,"t":"2039-03-20T11:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.31,"alt":49.61,"az":293.7,"t":"2039-03-20T11:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.76,"az":294.0,"t":"2039-03-20T11:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.9,"az":294.4,"t":"2039-03-20T11:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.36,"alt":47.05,"az":294.9,"t":"2039-03-20T11:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.38,"alt":46.2,"az":295.3,"t":"2039-03-20T11:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.4,"alt":45.36,"az":295.7,"t":"2039-03-20T11:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.42,"alt":44.52,"az":296.1,"t":"2039-03-20T11:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.45,"alt":43.68,"az":296.5,"t":"2039-03-20T11:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.47,"alt":42.84,"az":297.0,"t":"2039-03-20T11:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.49,"alt":42.01,"az":297.4,"t":"2039-03-20T12:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.52,"alt":41.18,"az":297.9,"t":"2039-03-20T12:05:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.54,"alt":40.35,"az":298.3,"t":"2039-03-20T12:10:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.57,"alt":39.53,"az":298.8,"t":"2039-03-20T12:15:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.6,"alt":38.71,"az":299.3,"t":"2039-03-20T12:20:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.63,"alt":37.9,"az":299.7,"t":"2039-03-20T12:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.66,"alt":37.09,"az":300.2,"t":"2039-03-20T12:30:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.69,"alt":36.28,"az":300.7,"t":"2039-03-20T12:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.72,"alt":35.48,"az":301.2,"t":"2039-03-20T12:40:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.75,"alt":34.68,"az":301.7,"t":"2039-03-20T12:45:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.79,"alt":33.89,"az":302.2,"t":"2039-03-20T12:50:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.83,"alt":33.1,"az":302.7,"t":"2039-03-20T12:55:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.87,"alt":32.31,"az":303.2,"t":"2039-03-20T13:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.91,"alt":31.53,"az":303.7,"t":"2039-03-20T13:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.95,"alt":30.75,"az":304.2,"t":"2039-03-20T13:10:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.0,"alt":29.98,"az":304.7,"t":"2039-03-20T13:15:00Z","terrain":-0.24},{"above_terrain":true,"airmass":2.04,"alt":29.21,"az":305.2,"t":"2039-03-20T13:20:00Z","terrain":-0.26},{"above_terrain":true,"airmass":2.09,"alt":28.45,"az":305.8,"t":"2039-03-20T13:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":2.14,"alt":27.69,"az":306.3,"t":"2039-03-20T13:30:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.2,"alt":26.94,"az":306.9,"t":"2039-03-20T13:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.26,"alt":26.2,"az":307.4,"t":"2039-03-20T13:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.32,"alt":25.46,"az":308.0,"t":"2039-03-20T13:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.38,"alt":24.72,"az":308.5,"t":"2039-03-20T13:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.45,"alt":23.99,"az":309.1,"t":"2039-03-20T13:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.52,"alt":23.27,"az":309.7,"t":"2039-03-20T14:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.59,"alt":22.55,"az":310.3,"t":"2039-03-20T14:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":2.67,"alt":21.84,"az":310.8,"t":"2039-03-20T14:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.76,"alt":21.13,"az":311.4,"t":"2039-03-20T14:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.84,"alt":20.44,"az":312.0,"t":"2039-03-20T14:20:00Z","terrain":0.14},{"above_terrain":true,"airmass":2.94,"alt":19.74,"az":312.6,"t":"2039-03-20T14:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.04,"alt":19.06,"az":313.2,"t":"2039-03-20T14:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.14,"alt":18.38,"az":313.9,"t":"2039-03-20T14:35:00Z","terrain":0.44},{"above_terrain":true,"airmass":3.26,"alt":17.71,"az":314.5,"t":"2039-03-20T14:40:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.38,"alt":17.05,"az":315.1,"t":"2039-03-20T14:45:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.51,"alt":16.39,"az":315.7,"t":"2039-03-20T14:50:00Z","terrain":0.5},{"above_terrain":true,"airmass":3.64,"alt":15.74,"az":316.4,"t":"2039-03-20T14:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.79,"alt":15.1,"az":317.0,"t":"2039-03-20T15:00:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.95,"alt":14.46,"az":317.7,"t":"2039-03-20T15:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.12,"alt":13.84,"az":318.3,"t":"2039-03-20T15:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":4.3,"alt":13.22,"az":319.0,"t":"2039-03-20T15:15:00Z","terrain":-0.14},{"above_terrain":true,"airmass":4.49,"alt":12.61,"az":319.7,"t":"2039-03-20T15:20:00Z","terrain":-0.18},{"above_terrain":true,"airmass":4.71,"alt":12.01,"az":320.3,"t":"2039-03-20T15:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.94,"alt":11.41,"az":321.0,"t":"2039-03-20T15:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":5.19,"alt":10.83,"az":321.7,"t":"2039-03-20T15:35:00Z","terrain":0.1},{"above_terrain":true,"airmass":5.46,"alt":10.25,"az":322.4,"t":"2039-03-20T15:40:00Z","terrain":0.16},{"above_terrain":true,"airmass":5.75,"alt":9.69,"az":323.1,"t":"2039-03-20T15:45:00Z","terrain":0.05},{"above_terrain":true,"airmass":6.08,"alt":9.13,"az":323.8,"t":"2039-03-20T15:50:00Z","terrain":-0.16},{"above_terrain":true,"airmass":6.43,"alt":8.58,"az":324.5,"t":"2039-03-20T15:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.82,"alt":8.05,"az":325.3,"t":"2039-03-20T16:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.25,"alt":7.52,"az":326.0,"t":"2039-03-20T16:05:00Z","terrain":-0.24},{"above_terrain":true,"airmass":7.73,"alt":7.0,"az":326.7,"t":"2039-03-20T16:10:00Z","terrain":-0.35},{"above_terrain":true,"airmass":8.26,"alt":6.49,"az":327.5,"t":"2039-03-20T16:15:00Z","terrain":-0.31},{"above_terrain":true,"airmass":8.85,"alt":5.99,"az":328.2,"t":"2039-03-20T16:20:00Z","terrain":-0.21},{"above_terrain":true,"airmass":9.51,"alt":5.5,"az":329.0,"t":"2039-03-20T16:25:00Z","terrain":-0.13},{"above_terrain":true,"airmass":10.26,"alt":5.03,"az":329.7,"t":"2039-03-20T16:30:00Z","terrain":-0.29},{"above_terrain":true,"airmass":11.1,"alt":4.56,"az":330.5,"t":"2039-03-20T16:35:00Z","terrain":-0.37},{"above_terrain":true,"airmass":12.06,"alt":4.11,"az":331.3,"t":"2039-03-20T16:40:00Z","terrain":-0.32},{"above_terrain":true,"airmass":13.15,"alt":3.66,"az":332.0,"t":"2039-03-20T16:45:00Z","terrain":-0.14},{"above_terrain":true,"airmass":14.4,"alt":3.23,"az":332.8,"t":"2039-03-20T16:50:00Z","terrain":-0.12},{"above_terrain":true,"airmass":15.84,"alt":2.81,"az":333.6,"t":"2039-03-20T16:55:00Z","terrain":-0.19},{"above_terrain":true,"airmass":17.51,"alt":2.4,"az":334.4,"t":"2039-03-20T17:00:00Z","terrain":-0.38},{"above_terrain":true,"airmass":19.45,"alt":2.0,"az":335.2,"t":"2039-03-20T17:05:00Z","terrain":-0.64},{"above_terrain":true,"airmass":21.71,"alt":1.61,"az":336.0,"t":"2039-03-20T17:10:00Z","terrain":-0.83},{"above_terrain":true,"airmass":24.35,"alt":1.24,"az":336.8,"t":"2039-03-20T17:15:00Z","terrain":-0.75},{"above_terrain":true,"airmass":27.45,"alt":0.87,"az":337.7,"t":"2039-03-20T17:20:00Z","terrain":-0.56},{"above_terrain":true,"airmass":31.06,"alt":0.53,"az":338.5,"t":"2039-03-20T17:25:00Z","terrain":-0.6},{"above_terrain":true,"airmass":35.25,"alt":0.19,"az":339.3,"t":"2039-03-20T17:30:00Z","terrain":-0.68},{"above_terrain":true,"airmass":null,"alt":-0.14,"az":340.1,"t":"2039-03-20T17:35:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-0.45,"az":341.0,"t":"2039-03-20T17:40:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-0.75,"az":341.8,"t":"2039-03-20T17:45:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-1.03,"az":342.7,"t":"2039-03-20T17:50:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-1.3,"az":343.5,"t":"2039-03-20T17:55:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.56,"az":344.4,"t":"2039-03-20T18:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.81,"az":345.2,"t":"2039-03-20T18:05:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-2.04,"az":346.1,"t":"2039-03-20T18:10:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-2.26,"az":347.0,"t":"2039-03-20T18:15:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-2.46,"az":347.8,"t":"2039-03-20T18:20:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-2.65,"az":348.7,"t":"2039-03-20T18:25:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-2.83,"az":349.6,"t":"2039-03-20T18:30:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-2.99,"az":350.5,"t":"2039-03-20T18:35:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.14,"az":351.4,"t":"2039-03-20T18:40:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-3.27,"az":352.2,"t":"2039-03-20T18:45:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-3.39,"az":353.1,"t":"2039-03-20T18:50:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-3.5,"az":354.0,"t":"2039-03-20T18:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.59,"az":354.9,"t":"2039-03-20T19:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":355.8,"t":"2039-03-20T19:05:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":356.7,"t":"2039-03-20T19:10:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":357.6,"t":"2039-03-20T19:15:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-3.8,"az":358.5,"t":"2039-03-20T19:20:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":359.4,"t":"2039-03-20T19:25:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":0.3,"t":"2039-03-20T19:30:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":1.2,"t":"2039-03-20T19:35:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-3.78,"az":2.1,"t":"2039-03-20T19:40:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-3.74,"az":3.0,"t":"2039-03-20T19:45:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-3.69,"az":3.9,"t":"2039-03-20T19:50:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-3.62,"az":4.8,"t":"2039-03-20T19:55:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-3.53,"az":5.6,"t":"2039-03-20T20:00:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-3.43,"az":6.5,"t":"2039-03-20T20:05:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-3.32,"az":7.4,"t":"2039-03-20T20:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.19,"az":8.3,"t":"2039-03-20T20:15:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-3.05,"az":9.2,"t":"2039-03-20T20:20:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-2.89,"az":10.1,"t":"2039-03-20T20:25:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-2.72,"az":11.0,"t":"2039-03-20T20:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-2.54,"az":11.8,"t":"2039-03-20T20:35:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-2.34,"az":12.7,"t":"2039-03-20T20:40:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-2.12,"az":13.6,"t":"2039-03-20T20:45:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-1.9,"az":14.4,"t":"2039-03-20T20:50:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-1.66,"az":15.3,"t":"2039-03-20T20:55:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-1.4,"az":16.2,"t":"2039-03-20T21:00:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-1.14,"az":17.0,"t":"2039-03-20T21:05:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-0.86,"az":17.9,"t":"2039-03-20T21:10:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-0.56,"az":18.7,"t":"2039-03-20T21:15:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-0.26,"az":19.5,"t":"2039-03-20T21:20:00Z","terrain":0.65},{"above_terrain":false,"airmass":36.99,"alt":0.06,"az":20.4,"t":"2039-03-20T21:25:00Z","terrain":0.68},{"above_terrain":false,"airmass":32.58,"alt":0.4,"az":21.2,"t":"2039-03-20T21:30:00Z","terrain":0.75},{"above_terrain":false,"airmass":28.76,"alt":0.74,"az":22.0,"t":"2039-03-20T21:35:00Z","terrain":1.0},{"above_terrain":false,"airmass":25.47,"alt":1.1,"az":22.9,"t":"2039-03-20T21:40:00Z","terrain":1.14},{"above_terrain":true,"airmass":22.66,"alt":1.47,"az":23.7,"t":"2039-03-20T21:45:00Z","terrain":1.0},{"above_terrain":true,"airmass":20.27,"alt":1.85,"az":24.5,"t":"2039-03-20T21:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":18.21,"alt":2.24,"az":25.3,"t":"2039-03-20T21:55:00Z","terrain":1.25},{"above_terrain":true,"airmass":16.45,"alt":2.65,"az":26.1,"t":"2039-03-20T22:00:00Z","terrain":1.34},{"above_terrain":true,"airmass":14.92,"alt":3.07,"az":26.9,"t":"2039-03-20T22:05:00Z","terrain":1.29},{"above_terrain":true,"airmass":13.61,"alt":3.49,"az":27.7,"t":"2039-03-20T22:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":12.46,"alt":3.93,"az":28.4,"t":"2039-03-20T22:15:00Z","terrain":1.11},{"above_terrain":true,"airmass":11.45,"alt":4.39,"az":29.2,"t":"2039-03-20T22:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":10.57,"alt":4.85,"az":30.0,"t":"2039-03-20T22:25:00Z","terrain":1.15},{"above_terrain":true,"airmass":9.79,"alt":5.32,"az":30.7,"t":"2039-03-20T22:30:00Z","terrain":1.27},{"above_terrain":true,"airmass":9.1,"alt":5.8,"az":31.5,"t":"2039-03-20T22:35:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.48,"alt":6.3,"az":32.2,"t":"2039-03-20T22:40:00Z","terrain":1.25},{"above_terrain":true,"airmass":7.92,"alt":6.8,"az":33.0,"t":"2039-03-20T22:45:00Z","terrain":0.99},{"above_terrain":true,"airmass":7.43,"alt":7.32,"az":33.7,"t":"2039-03-20T22:50:00Z","terrain":0.58},{"above_terrain":true,"airmass":6.98,"alt":7.84,"az":34.5,"t":"2039-03-20T22:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":6.58,"alt":8.38,"az":35.2,"t":"2039-03-20T23:00:00Z","terrain":0.05},{"above_terrain":true,"airmass":6.21,"alt":8.92,"az":35.9,"t":"2039-03-20T23:05:00Z","terrain":0.03},{"above_terrain":true,"airmass":5.87,"alt":9.47,"az":36.6,"t":"2039-03-20T23:10:00Z","terrain":-0.04},{"above_terrain":true,"airmass":5.57,"alt":10.04,"az":37.3,"t":"2039-03-20T23:15:00Z","terrain":-0.13},{"above_terrain":true,"airmass":5.29,"alt":10.61,"az":38.0,"t":"2039-03-20T23:20:00Z","terrain":-0.21},{"above_terrain":true,"airmass":5.03,"alt":11.19,"az":38.7,"t":"2039-03-20T23:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":4.79,"alt":11.78,"az":39.4,"t":"2039-03-20T23:30:00Z","terrain":-0.12},{"above_terrain":true,"airmass":4.57,"alt":12.38,"az":40.1,"t":"2039-03-20T23:35:00Z","terrain":-0.04},{"above_terrain":true,"airmass":4.37,"alt":12.99,"az":40.7,"t":"2039-03-20T23:40:00Z","terrain":0.0},{"above_terrain":true,"airmass":4.18,"alt":13.6,"az":41.4,"t":"2039-03-20T23:45:00Z","terrain":0.06},{"above_terrain":true,"airmass":4.01,"alt":14.22,"az":42.1,"t":"2039-03-20T23:50:00Z","terrain":0.13},{"above_terrain":true,"airmass":3.85,"alt":14.85,"az":42.7,"t":"2039-03-20T23:55:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.7,"alt":15.49,"az":43.4,"t":"2039-03-21T00:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.56,"alt":16.14,"az":44.0,"t":"2039-03-21T00:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.43,"alt":16.79,"az":44.7,"t":"2039-03-21T00:10:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.3,"alt":17.46,"az":45.3,"t":"2039-03-21T00:15:00Z","terrain":0.61},{"above_terrain":true,"airmass":3.19,"alt":18.12,"az":45.9,"t":"2039-03-21T00:20:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.08,"alt":18.8,"az":46.5,"t":"2039-03-21T00:25:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.98,"alt":19.48,"az":47.1,"t":"2039-03-21T00:30:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.88,"alt":20.17,"az":47.7,"t":"2039-03-21T00:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.79,"alt":20.87,"az":48.3,"t":"2039-03-21T00:40:00Z","terrain":0.49},{"above_terrain":true,"airmass":2.7,"alt":21.57,"az":48.9,"t":"2039-03-21T00:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":2.62,"alt":22.28,"az":49.5,"t":"2039-03-21T00:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.55,"alt":22.99,"az":50.1,"t":"2039-03-21T00:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.47,"alt":23.72,"az":50.7,"t":"2039-03-21T01:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":2.41,"alt":24.44,"az":51.3,"t":"2039-03-21T01:05:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.34,"alt":25.18,"az":51.8,"t":"2039-03-21T01:10:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.28,"alt":25.91,"az":52.4,"t":"2039-03-21T01:15:00Z","terrain":0.71},{"above_terrain":true,"airmass":2.22,"alt":26.66,"az":52.9,"t":"2039-03-21T01:20:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.16,"alt":27.41,"az":53.5,"t":"2039-03-21T01:25:00Z","terrain":0.92},{"above_terrain":true,"airmass":2.11,"alt":28.16,"az":54.0,"t":"2039-03-21T01:30:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.06,"alt":28.92,"az":54.6,"t":"2039-03-21T01:35:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.01,"alt":29.69,"az":55.1,"t":"2039-03-21T01:40:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.97,"alt":30.46,"az":55.6,"t":"2039-03-21T01:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.92,"alt":31.23,"az":56.1,"t":"2039-03-21T01:50:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.88,"alt":32.01,"az":56.6,"t":"2039-03-21T01:55:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.84,"alt":32.8,"az":57.2,"t":"2039-03-21T02:00:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.8,"alt":33.58,"az":57.7,"t":"2039-03-21T02:05:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.77,"alt":34.38,"az":58.2,"t":"2039-03-21T02:10:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.73,"alt":35.17,"az":58.7,"t":"2039-03-21T02:15:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.7,"alt":35.98,"az":59.1,"t":"2039-03-21T02:20:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.67,"alt":36.78,"az":59.6,"t":"2039-03-21T02:25:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.64,"alt":37.59,"az":60.1,"t":"2039-03-21T02:30:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.61,"alt":38.4,"az":60.6,"t":"2039-03-21T02:35:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.58,"alt":39.22,"az":61.0,"t":"2039-03-21T02:40:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.55,"alt":40.04,"az":61.5,"t":"2039-03-21T02:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.53,"alt":40.87,"az":62.0,"t":"2039-03-21T02:50:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.5,"alt":41.69,"az":62.4,"t":"2039-03-21T02:55:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.48,"alt":42.52,"az":62.8,"t":"2039-03-21T03:00:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.45,"alt":43.36,"az":63.3,"t":"2039-03-21T03:05:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.43,"alt":44.2,"az":63.7,"t":"2039-03-21T03:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.41,"alt":45.04,"az":64.1,"t":"2039-03-21T03:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":45.88,"az":64.6,"t":"2039-03-21T03:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.73,"az":65.0,"t":"2039-03-21T03:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.35,"alt":47.58,"az":65.4,"t":"2039-03-21T03:30:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.34,"alt":48.43,"az":65.8,"t":"2039-03-21T03:35:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.32,"alt":49.29,"az":66.2,"t":"2039-03-21T03:40:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.3,"alt":50.14,"az":66.6,"t":"2039-03-21T03:45:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.29,"alt":51.0,"az":67.0,"t":"2039-03-21T03:50:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.27,"alt":51.87,"az":67.4,"t":"2039-03-21T03:55:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.26,"alt":52.73,"az":67.7,"t":"2039-03-21T04:00:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.24,"alt":53.6,"az":68.1,"t":"2039-03-21T04:05:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.47,"az":68.4,"t":"2039-03-21T04:10:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.21,"alt":55.34,"az":68.8,"t":"2039-03-21T04:15:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.2,"alt":56.21,"az":69.1,"t":"2039-03-21T04:20:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.19,"alt":57.09,"az":69.5,"t":"2039-03-21T04:25:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.18,"alt":57.97,"az":69.8,"t":"2039-03-21T04:30:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.17,"alt":58.84,"az":70.1,"t":"2039-03-21T04:35:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.16,"alt":59.73,"az":70.4,"t":"2039-03-21T04:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.61,"az":70.7,"t":"2039-03-21T04:45:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.49,"az":71.0,"t":"2039-03-21T04:50:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.13,"alt":62.38,"az":71.2,"t":"2039-03-21T04:55:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.12,"alt":63.26,"az":71.5,"t":"2039-03-21T05:00:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.11,"alt":64.15,"az":71.7,"t":"2039-03-21T05:05:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.1,"alt":65.04,"az":71.9,"t":"2039-03-21T05:10:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.09,"alt":65.93,"az":72.1,"t":"2039-03-21T05:15:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.09,"alt":66.82,"az":72.3,"t":"2039-03-21T05:20:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.08,"alt":67.72,"az":72.5,"t":"2039-03-21T05:25:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.07,"alt":68.61,"az":72.6,"t":"2039-03-21T05:30:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.07,"alt":69.5,"az":72.7,"t":"2039-03-21T05:35:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.06,"alt":70.4,"az":72.8,"t":"2039-03-21T05:40:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.06,"alt":71.29,"az":72.8,"t":"2039-03-21T05:45:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.05,"alt":72.18,"az":72.8,"t":"2039-03-21T05:50:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.04,"alt":73.08,"az":72.8,"t":"2039-03-21T05:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.04,"alt":73.97,"az":72.7,"t":"2039-03-21T06:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.04,"alt":74.86,"az":72.5,"t":"2039-03-21T06:05:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.03,"alt":75.76,"az":72.2,"t":"2039-03-21T06:10:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.03,"alt":76.65,"az":71.9,"t":"2039-03-21T06:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.02,"alt":77.54,"az":71.5,"t":"2039-03-21T06:20:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.02,"alt":78.42,"az":70.9,"t":"2039-03-21T06:25:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.02,"alt":79.3,"az":70.1,"t":"2039-03-21T06:30:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.01,"alt":80.18,"az":69.2,"t":"2039-03-21T06:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.01,"alt":81.05,"az":67.9,"t":"2039-03-21T06:40:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.01,"alt":81.92,"az":66.3,"t":"2039-03-21T06:45:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.01,"alt":82.77,"az":64.2,"t":"2039-03-21T06:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":83.6,"az":61.5,"t":"2039-03-21T06:55:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.0,"alt":84.41,"az":57.8,"t":"2039-03-21T07:00:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.0,"alt":85.18,"az":52.8,"t":"2039-03-21T07:05:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.0,"alt":85.89,"az":45.8,"t":"2039-03-21T07:10:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.0,"alt":86.51,"az":36.0,"t":"2039-03-21T07:15:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.0,"alt":86.97,"az":22.5,"t":"2039-03-21T07:20:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.0,"alt":87.2,"az":5.4,"t":"2039-03-21T07:25:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.0,"alt":87.14,"az":347.3,"t":"2039-03-21T07:30:00Z","terrain":-0.33},{"above_terrain":true,"airmass":1.0,"alt":86.8,"az":331.5,"t":"2039-03-21T07:35:00Z","terrain":-0.25},{"above_terrain":true,"airmass":1.0,"alt":86.27,"az":319.6,"t":"2039-03-21T07:40:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.0,"alt":85.61,"az":311.0,"t":"2039-03-21T07:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.0,"alt":84.87,"az":304.9,"t":"2039-03-21T07:50:00Z","terrain":-0.28},{"above_terrain":true,"airmass":1.01,"alt":84.08,"az":300.5,"t":"2039-03-21T07:55:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.01,"alt":83.26,"az":297.3,"t":"2039-03-21T08:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.01,"alt":82.42,"az":294.8,"t":"2039-03-21T08:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.01,"alt":81.57,"az":293.0,"t":"2039-03-21T08:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.01,"alt":80.7,"az":291.5,"t":"2039-03-21T08:15:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.02,"alt":79.83,"az":290.4,"t":"2039-03-21T08:20:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.02,"alt":78.95,"az":289.6,"t":"2039-03-21T08:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":78.06,"az":288.9,"t":"2039-03-21T08:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":77.18,"az":288.3,"t":"2039-03-21T08:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.29,"az":287.9,"t":"2039-03-21T08:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":75.4,"az":287.6,"t":"2039-03-21T08:45:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.04,"alt":74.5,"az":287.4,"t":"2039-03-21T08:50:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.04,"alt":73.61,"az":287.3,"t":"2039-03-21T08:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.05,"alt":72.72,"az":287.2,"t":"2039-03-21T09:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.05,"alt":71.82,"az":287.2,"t":"2039-03-21T09:05:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":70.93,"az":287.2,"t":"2039-03-21T09:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.06,"alt":70.03,"az":287.2,"t":"2039-03-21T09:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.07,"alt":69.14,"az":287.3,"t":"2039-03-21T09:20:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.08,"alt":68.25,"az":287.4,"t":"2039-03-21T09:25:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.08,"alt":67.35,"az":287.6,"t":"2039-03-21T09:30:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.09,"alt":66.46,"az":287.8,"t":"2039-03-21T09:35:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.1,"alt":65.57,"az":287.9,"t":"2039-03-21T09:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.11,"alt":64.68,"az":288.1,"t":"2039-03-21T09:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.11,"alt":63.79,"az":288.4,"t":"2039-03-21T09:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":62.9,"az":288.6,"t":"2039-03-21T09:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.13,"alt":62.02,"az":288.9,"t":"2039-03-21T10:00:00Z","terrain":0.18}],"transit":{"airmass":1.0,"alt":87.2,"az":5.4,"t":"2039-03-21T07:25:00Z"},"usable_hours":2.33,"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."]}