{"assessment":{"best_window":{"end":"2041-04-10T02:15Z","end_local":"05:15","hours":2.25,"label":"good","mean_quality":0.8,"start":"2041-04-10T00:00Z","start_local":"03:00"},"cost":{"altitude":5.79,"clouds":0.0,"darkness":1.18,"moon":0.12},"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":"2041-04-09T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":70,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2041-04-09T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":72,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":-3,"cloud":null,"high":null,"iso":"2041-04-09T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":66,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":0,"cloud":null,"high":null,"iso":"2041-04-09T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":56,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":4,"cloud":null,"high":null,"iso":"2041-04-09T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":46,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":11,"cloud":null,"high":null,"iso":"2041-04-09T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":35,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":18,"cloud":null,"high":null,"iso":"2041-04-09T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":27,"cloud":null,"high":null,"iso":"2041-04-10T00:00Z","label":"good","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.61,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2041-04-10T01:00Z","label":"good","low":null,"mid":null,"moon_alt":3,"precip":null,"q":0.78,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":46,"cloud":null,"high":null,"iso":"2041-04-10T02:00Z","label":"good","low":null,"mid":null,"moon_alt":-6,"precip":null,"q":0.91,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":56,"cloud":null,"high":null,"iso":"2041-04-10T03:00Z","label":"poor","low":null,"mid":null,"moon_alt":-14,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.92,"peak_sky":0.92,"quality_hours":2.51,"reasons":["the target being low or below 20\u00b0 cost 5.8 quality-hours","daylight and twilight cost 1.2 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":58,"score_weather":null,"sky_hours":2.51,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2041-04-09T23:15Z","end_local":"02:15","hours":6.33,"label":"unusable","mean_quality":0.0,"start":"2041-04-09T16:55Z","start_local":"19:55"},{"end":"2041-04-10T00:00Z","end_local":"03:00","hours":0.75,"label":"marginal","mean_quality":0.48,"start":"2041-04-09T23:15Z","start_local":"02:15"},{"end":"2041-04-10T02:15Z","end_local":"05:15","hours":2.25,"label":"good","mean_quality":0.8,"start":"2041-04-10T00:00Z","start_local":"03:00"},{"end":"2041-04-10T02:50Z","end_local":"05:50","hours":0.58,"label":"marginal","mean_quality":0.47,"start":"2041-04-10T02:15Z","start_local":"05:15"},{"end":"2041-04-10T03:25Z","end_local":"06:25","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2041-04-10T02:50Z","start_local":"05:50"},{"end":"2041-04-10T03:50Z","end_local":"06:50","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2041-04-10T03:25Z","start_local":"06:25"}]},"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":"2041-04-09T18:33:39Z","dark_hours":7.62,"dark_to":"2041-04-10T02:10:35Z","moon":{"illumination":0.644,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.83,"moonrise":"2041-04-09T09:56:21Z","moonset":"2041-04-10T01:19:13Z","sunrise":"2041-04-10T03:48:46Z","sunset":"2041-04-09T16:55:23Z","twilight":{"astronomical":{"end":"2041-04-09T18:33:39Z","start":"2041-04-10T02:10:35Z"},"civil":{"end":"2041-04-09T17:23:54Z","start":"2041-04-10T03:20:16Z"},"nautical":{"end":"2041-04-09T17:57:59Z","start":"2041-04-10T02:46:14Z"}},"window_end":"2041-04-10T09:00:00Z","window_start":"2041-04-09T09:00:00Z"},"night_date":"2041-04-09","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.35,"alt":47.7,"t":"2041-04-10T02:10:00Z"},"dec":44.33,"dec_of_date":44.4921,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":1.83,"limit_rise":"2041-04-09T23:13:07Z","limit_set":"2041-04-09T13:02:36Z","max_az_rate_deg_per_min":3.59,"moon_separation":112.1,"never_rises":false,"ra":314.69583333,"ra_of_date":315.0652,"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 1.8 h above 30\u00b0, 3.0 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2041-04-09T16:19:34Z","blocked_dark_hours":0,"clears_at":"2041-04-09T20:20:01Z","rise_az":289.8},"track":[{"above_terrain":true,"airmass":1.16,"alt":59.08,"az":289.8,"t":"2041-04-09T09:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.18,"alt":58.2,"az":290.1,"t":"2041-04-09T09:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.19,"alt":57.32,"az":290.5,"t":"2041-04-09T09:10:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.2,"alt":56.44,"az":290.8,"t":"2041-04-09T09:15:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.21,"alt":55.57,"az":291.1,"t":"2041-04-09T09:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.22,"alt":54.7,"az":291.5,"t":"2041-04-09T09:25:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.24,"alt":53.83,"az":291.8,"t":"2041-04-09T09:30:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.25,"alt":52.96,"az":292.2,"t":"2041-04-09T09:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.27,"alt":52.09,"az":292.6,"t":"2041-04-09T09:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.28,"alt":51.23,"az":292.9,"t":"2041-04-09T09:45:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.3,"alt":50.37,"az":293.3,"t":"2041-04-09T09:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.31,"alt":49.51,"az":293.7,"t":"2041-04-09T09:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.66,"az":294.1,"t":"2041-04-09T10:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.8,"az":294.5,"t":"2041-04-09T10:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":46.95,"az":294.9,"t":"2041-04-09T10:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":46.11,"az":295.3,"t":"2041-04-09T10:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.41,"alt":45.26,"az":295.8,"t":"2041-04-09T10:20:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.43,"alt":44.42,"az":296.2,"t":"2041-04-09T10:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.45,"alt":43.58,"az":296.6,"t":"2041-04-09T10:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.47,"alt":42.75,"az":297.0,"t":"2041-04-09T10:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.49,"alt":41.91,"az":297.5,"t":"2041-04-09T10:40:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.52,"alt":41.09,"az":297.9,"t":"2041-04-09T10:45:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.55,"alt":40.26,"az":298.4,"t":"2041-04-09T10:50:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.57,"alt":39.44,"az":298.9,"t":"2041-04-09T10:55:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.6,"alt":38.62,"az":299.3,"t":"2041-04-09T11:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.63,"alt":37.81,"az":299.8,"t":"2041-04-09T11:05:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.66,"alt":37.0,"az":300.3,"t":"2041-04-09T11:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.69,"alt":36.19,"az":300.7,"t":"2041-04-09T11:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.72,"alt":35.39,"az":301.2,"t":"2041-04-09T11:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.76,"alt":34.59,"az":301.7,"t":"2041-04-09T11:25:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.79,"alt":33.8,"az":302.2,"t":"2041-04-09T11:30:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.83,"alt":33.01,"az":302.7,"t":"2041-04-09T11:35:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.87,"alt":32.22,"az":303.2,"t":"2041-04-09T11:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.91,"alt":31.44,"az":303.7,"t":"2041-04-09T11:45:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.96,"alt":30.66,"az":304.3,"t":"2041-04-09T11:50:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.0,"alt":29.89,"az":304.8,"t":"2041-04-09T11:55:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.05,"alt":29.13,"az":305.3,"t":"2041-04-09T12:00:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.1,"alt":28.37,"az":305.8,"t":"2041-04-09T12:05:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.15,"alt":27.61,"az":306.4,"t":"2041-04-09T12:10:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.21,"alt":26.86,"az":306.9,"t":"2041-04-09T12:15:00Z","terrain":0.16},{"above_terrain":true,"airmass":2.26,"alt":26.11,"az":307.5,"t":"2041-04-09T12:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.32,"alt":25.37,"az":308.0,"t":"2041-04-09T12:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.39,"alt":24.64,"az":308.6,"t":"2041-04-09T12:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.46,"alt":23.91,"az":309.2,"t":"2041-04-09T12:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.53,"alt":23.19,"az":309.8,"t":"2041-04-09T12:40:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.6,"alt":22.47,"az":310.3,"t":"2041-04-09T12:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.68,"alt":21.76,"az":310.9,"t":"2041-04-09T12:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.77,"alt":21.06,"az":311.5,"t":"2041-04-09T12:55:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.85,"alt":20.36,"az":312.1,"t":"2041-04-09T13:00:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.95,"alt":19.67,"az":312.7,"t":"2041-04-09T13:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.05,"alt":18.98,"az":313.3,"t":"2041-04-09T13:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.16,"alt":18.31,"az":313.9,"t":"2041-04-09T13:15:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.27,"alt":17.64,"az":314.6,"t":"2041-04-09T13:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.39,"alt":16.97,"az":315.2,"t":"2041-04-09T13:25:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.52,"alt":16.32,"az":315.8,"t":"2041-04-09T13:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.66,"alt":15.67,"az":316.5,"t":"2041-04-09T13:35:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.81,"alt":15.03,"az":317.1,"t":"2041-04-09T13:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.96,"alt":14.39,"az":317.8,"t":"2041-04-09T13:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.14,"alt":13.77,"az":318.4,"t":"2041-04-09T13:50:00Z","terrain":0.13},{"above_terrain":true,"airmass":4.32,"alt":13.15,"az":319.1,"t":"2041-04-09T13:55:00Z","terrain":-0.15},{"above_terrain":true,"airmass":4.52,"alt":12.54,"az":319.8,"t":"2041-04-09T14:00:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.73,"alt":11.94,"az":320.4,"t":"2041-04-09T14:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.96,"alt":11.35,"az":321.1,"t":"2041-04-09T14:10:00Z","terrain":-0.15},{"above_terrain":true,"airmass":5.21,"alt":10.77,"az":321.8,"t":"2041-04-09T14:15:00Z","terrain":0.13},{"above_terrain":true,"airmass":5.49,"alt":10.19,"az":322.5,"t":"2041-04-09T14:20:00Z","terrain":0.14},{"above_terrain":true,"airmass":5.79,"alt":9.63,"az":323.2,"t":"2041-04-09T14:25:00Z","terrain":0.02},{"above_terrain":true,"airmass":6.11,"alt":9.07,"az":323.9,"t":"2041-04-09T14:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":6.47,"alt":8.53,"az":324.6,"t":"2041-04-09T14:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.87,"alt":7.99,"az":325.4,"t":"2041-04-09T14:40:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.3,"alt":7.46,"az":326.1,"t":"2041-04-09T14:45:00Z","terrain":-0.25},{"above_terrain":true,"airmass":7.78,"alt":6.94,"az":326.8,"t":"2041-04-09T14:50:00Z","terrain":-0.36},{"above_terrain":true,"airmass":8.32,"alt":6.44,"az":327.6,"t":"2041-04-09T14:55:00Z","terrain":-0.3},{"above_terrain":true,"airmass":8.92,"alt":5.94,"az":328.3,"t":"2041-04-09T15:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":9.59,"alt":5.45,"az":329.1,"t":"2041-04-09T15:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":10.34,"alt":4.98,"az":329.8,"t":"2041-04-09T15:10:00Z","terrain":-0.31},{"above_terrain":true,"airmass":11.2,"alt":4.51,"az":330.6,"t":"2041-04-09T15:15:00Z","terrain":-0.37},{"above_terrain":true,"airmass":12.16,"alt":4.06,"az":331.4,"t":"2041-04-09T15:20:00Z","terrain":-0.3},{"above_terrain":true,"airmass":13.27,"alt":3.62,"az":332.1,"t":"2041-04-09T15:25:00Z","terrain":-0.14},{"above_terrain":true,"airmass":14.54,"alt":3.18,"az":332.9,"t":"2041-04-09T15:30:00Z","terrain":-0.12},{"above_terrain":true,"airmass":16.0,"alt":2.76,"az":333.7,"t":"2041-04-09T15:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":17.69,"alt":2.36,"az":334.5,"t":"2041-04-09T15:40:00Z","terrain":-0.41},{"above_terrain":true,"airmass":19.66,"alt":1.96,"az":335.3,"t":"2041-04-09T15:45:00Z","terrain":-0.67},{"above_terrain":true,"airmass":21.95,"alt":1.57,"az":336.1,"t":"2041-04-09T15:50:00Z","terrain":-0.82},{"above_terrain":true,"airmass":24.63,"alt":1.2,"az":336.9,"t":"2041-04-09T15:55:00Z","terrain":-0.74},{"above_terrain":true,"airmass":27.77,"alt":0.84,"az":337.8,"t":"2041-04-09T16:00:00Z","terrain":-0.53},{"above_terrain":true,"airmass":31.44,"alt":0.49,"az":338.6,"t":"2041-04-09T16:05:00Z","terrain":-0.63},{"above_terrain":true,"airmass":35.67,"alt":0.16,"az":339.4,"t":"2041-04-09T16:10:00Z","terrain":-0.66},{"above_terrain":true,"airmass":null,"alt":-0.17,"az":340.2,"t":"2041-04-09T16:15:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-0.48,"az":341.1,"t":"2041-04-09T16:20:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-0.77,"az":341.9,"t":"2041-04-09T16:25:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-1.06,"az":342.8,"t":"2041-04-09T16:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.33,"az":343.6,"t":"2041-04-09T16:35:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.58,"az":344.5,"t":"2041-04-09T16:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.83,"az":345.3,"t":"2041-04-09T16:45:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-2.06,"az":346.2,"t":"2041-04-09T16:50:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-2.27,"az":347.1,"t":"2041-04-09T16:55:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-2.48,"az":347.9,"t":"2041-04-09T17:00:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-2.67,"az":348.8,"t":"2041-04-09T17:05:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-2.84,"az":349.7,"t":"2041-04-09T17:10:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-3.0,"az":350.6,"t":"2041-04-09T17:15:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.15,"az":351.5,"t":"2041-04-09T17:20:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-3.28,"az":352.3,"t":"2041-04-09T17:25:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-3.4,"az":353.2,"t":"2041-04-09T17:30:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-3.5,"az":354.1,"t":"2041-04-09T17:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.59,"az":355.0,"t":"2041-04-09T17:40:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":355.9,"t":"2041-04-09T17:45:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":356.8,"t":"2041-04-09T17:50:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":357.7,"t":"2041-04-09T17:55:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-3.8,"az":358.6,"t":"2041-04-09T18:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":359.5,"t":"2041-04-09T18:05:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":0.4,"t":"2041-04-09T18:10:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-3.8,"az":1.3,"t":"2041-04-09T18:15:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":2.2,"t":"2041-04-09T18:20:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-3.73,"az":3.1,"t":"2041-04-09T18:25:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-3.67,"az":4.0,"t":"2041-04-09T18:30:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-3.6,"az":4.9,"t":"2041-04-09T18:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.51,"az":5.7,"t":"2041-04-09T18:40:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-3.41,"az":6.6,"t":"2041-04-09T18:45:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-3.3,"az":7.5,"t":"2041-04-09T18:50:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.17,"az":8.4,"t":"2041-04-09T18:55:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-3.02,"az":9.3,"t":"2041-04-09T19:00:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-2.86,"az":10.2,"t":"2041-04-09T19:05:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-2.69,"az":11.1,"t":"2041-04-09T19:10:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-2.51,"az":11.9,"t":"2041-04-09T19:15:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-2.31,"az":12.8,"t":"2041-04-09T19:20:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-2.09,"az":13.7,"t":"2041-04-09T19:25:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-1.86,"az":14.5,"t":"2041-04-09T19:30:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-1.62,"az":15.4,"t":"2041-04-09T19:35:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-1.37,"az":16.3,"t":"2041-04-09T19:40:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.1,"az":17.1,"t":"2041-04-09T19:45:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-0.81,"az":18.0,"t":"2041-04-09T19:50:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-0.52,"az":18.8,"t":"2041-04-09T19:55:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-0.21,"az":19.6,"t":"2041-04-09T20:00:00Z","terrain":0.65},{"above_terrain":false,"airmass":36.34,"alt":0.11,"az":20.5,"t":"2041-04-09T20:05:00Z","terrain":0.68},{"above_terrain":false,"airmass":32.01,"alt":0.44,"az":21.3,"t":"2041-04-09T20:10:00Z","terrain":0.78},{"above_terrain":false,"airmass":28.27,"alt":0.79,"az":22.1,"t":"2041-04-09T20:15:00Z","terrain":1.01},{"above_terrain":false,"airmass":25.06,"alt":1.15,"az":22.9,"t":"2041-04-09T20:20:00Z","terrain":1.15},{"above_terrain":true,"airmass":22.31,"alt":1.52,"az":23.8,"t":"2041-04-09T20:25:00Z","terrain":0.98},{"above_terrain":true,"airmass":19.97,"alt":1.9,"az":24.6,"t":"2041-04-09T20:30:00Z","terrain":1.09},{"above_terrain":true,"airmass":17.95,"alt":2.3,"az":25.4,"t":"2041-04-09T20:35:00Z","terrain":1.26},{"above_terrain":true,"airmass":16.23,"alt":2.7,"az":26.2,"t":"2041-04-09T20:40:00Z","terrain":1.33},{"above_terrain":true,"airmass":14.74,"alt":3.12,"az":27.0,"t":"2041-04-09T20:45:00Z","terrain":1.28},{"above_terrain":true,"airmass":13.44,"alt":3.55,"az":27.7,"t":"2041-04-09T20:50:00Z","terrain":1.21},{"above_terrain":true,"airmass":12.32,"alt":3.99,"az":28.5,"t":"2041-04-09T20:55:00Z","terrain":1.09},{"above_terrain":true,"airmass":11.33,"alt":4.45,"az":29.3,"t":"2041-04-09T21:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":10.46,"alt":4.91,"az":30.1,"t":"2041-04-09T21:05:00Z","terrain":1.16},{"above_terrain":true,"airmass":9.69,"alt":5.38,"az":30.8,"t":"2041-04-09T21:10:00Z","terrain":1.28},{"above_terrain":true,"airmass":9.01,"alt":5.87,"az":31.6,"t":"2041-04-09T21:15:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.4,"alt":6.36,"az":32.3,"t":"2041-04-09T21:20:00Z","terrain":1.22},{"above_terrain":true,"airmass":7.86,"alt":6.87,"az":33.1,"t":"2041-04-09T21:25:00Z","terrain":0.95},{"above_terrain":true,"airmass":7.37,"alt":7.39,"az":33.8,"t":"2041-04-09T21:30:00Z","terrain":0.54},{"above_terrain":true,"airmass":6.93,"alt":7.91,"az":34.5,"t":"2041-04-09T21:35:00Z","terrain":0.23},{"above_terrain":true,"airmass":6.53,"alt":8.45,"az":35.3,"t":"2041-04-09T21:40:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.16,"alt":8.99,"az":36.0,"t":"2041-04-09T21:45:00Z","terrain":0.03},{"above_terrain":true,"airmass":5.83,"alt":9.55,"az":36.7,"t":"2041-04-09T21:50:00Z","terrain":-0.05},{"above_terrain":true,"airmass":5.53,"alt":10.11,"az":37.4,"t":"2041-04-09T21:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":5.25,"alt":10.68,"az":38.1,"t":"2041-04-09T22:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":5.0,"alt":11.27,"az":38.8,"t":"2041-04-09T22:05:00Z","terrain":-0.17},{"above_terrain":true,"airmass":4.76,"alt":11.86,"az":39.5,"t":"2041-04-09T22:10:00Z","terrain":-0.11},{"above_terrain":true,"airmass":4.55,"alt":12.46,"az":40.1,"t":"2041-04-09T22:15:00Z","terrain":-0.04},{"above_terrain":true,"airmass":4.35,"alt":13.06,"az":40.8,"t":"2041-04-09T22:20:00Z","terrain":0.01},{"above_terrain":true,"airmass":4.16,"alt":13.68,"az":41.5,"t":"2041-04-09T22:25:00Z","terrain":0.07},{"above_terrain":true,"airmass":3.99,"alt":14.3,"az":42.1,"t":"2041-04-09T22:30:00Z","terrain":0.14},{"above_terrain":true,"airmass":3.83,"alt":14.94,"az":42.8,"t":"2041-04-09T22:35:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.68,"alt":15.58,"az":43.4,"t":"2041-04-09T22:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.54,"alt":16.22,"az":44.1,"t":"2041-04-09T22:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.41,"alt":16.88,"az":44.7,"t":"2041-04-09T22:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.29,"alt":17.54,"az":45.4,"t":"2041-04-09T22:55:00Z","terrain":0.61},{"above_terrain":true,"airmass":3.17,"alt":18.21,"az":46.0,"t":"2041-04-09T23:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.06,"alt":18.89,"az":46.6,"t":"2041-04-09T23:05:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.96,"alt":19.57,"az":47.2,"t":"2041-04-09T23:10:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.87,"alt":20.26,"az":47.8,"t":"2041-04-09T23:15:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.78,"alt":20.96,"az":48.4,"t":"2041-04-09T23:20:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.69,"alt":21.66,"az":49.0,"t":"2041-04-09T23:25:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.61,"alt":22.37,"az":49.6,"t":"2041-04-09T23:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.54,"alt":23.08,"az":50.2,"t":"2041-04-09T23:35:00Z","terrain":0.42},{"above_terrain":true,"airmass":2.47,"alt":23.81,"az":50.7,"t":"2041-04-09T23:40:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.4,"alt":24.53,"az":51.3,"t":"2041-04-09T23:45:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.33,"alt":25.27,"az":51.9,"t":"2041-04-09T23:50:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.27,"alt":26.01,"az":52.4,"t":"2041-04-09T23:55:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.21,"alt":26.75,"az":53.0,"t":"2041-04-10T00:00:00Z","terrain":0.84},{"above_terrain":true,"airmass":2.16,"alt":27.5,"az":53.5,"t":"2041-04-10T00:05:00Z","terrain":0.93},{"above_terrain":true,"airmass":2.11,"alt":28.26,"az":54.1,"t":"2041-04-10T00:10:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.06,"alt":29.02,"az":54.6,"t":"2041-04-10T00:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.01,"alt":29.78,"az":55.1,"t":"2041-04-10T00:20:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.96,"alt":30.55,"az":55.7,"t":"2041-04-10T00:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.92,"alt":31.33,"az":56.2,"t":"2041-04-10T00:30:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.88,"alt":32.11,"az":56.7,"t":"2041-04-10T00:35:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.84,"alt":32.89,"az":57.2,"t":"2041-04-10T00:40:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.8,"alt":33.68,"az":57.7,"t":"2041-04-10T00:45:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.76,"alt":34.47,"az":58.2,"t":"2041-04-10T00:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.73,"alt":35.27,"az":58.7,"t":"2041-04-10T00:55:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.7,"alt":36.07,"az":59.2,"t":"2041-04-10T01:00:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.66,"alt":36.88,"az":59.7,"t":"2041-04-10T01:05:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.63,"alt":37.69,"az":60.1,"t":"2041-04-10T01:10:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.6,"alt":38.5,"az":60.6,"t":"2041-04-10T01:15:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.58,"alt":39.32,"az":61.1,"t":"2041-04-10T01:20:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.55,"alt":40.14,"az":61.5,"t":"2041-04-10T01:25:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.52,"alt":40.97,"az":62.0,"t":"2041-04-10T01:30:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.5,"alt":41.79,"az":62.4,"t":"2041-04-10T01:35:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.47,"alt":42.63,"az":62.9,"t":"2041-04-10T01:40:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.45,"alt":43.46,"az":63.3,"t":"2041-04-10T01:45:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.43,"alt":44.3,"az":63.8,"t":"2041-04-10T01:50:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.41,"alt":45.14,"az":64.2,"t":"2041-04-10T01:55:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":45.98,"az":64.6,"t":"2041-04-10T02:00:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.83,"az":65.0,"t":"2041-04-10T02:05:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.35,"alt":47.68,"az":65.4,"t":"2041-04-10T02:10:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.33,"alt":48.53,"az":65.8,"t":"2041-04-10T02:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.32,"alt":49.39,"az":66.2,"t":"2041-04-10T02:20:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.3,"alt":50.25,"az":66.6,"t":"2041-04-10T02:25:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.28,"alt":51.11,"az":67.0,"t":"2041-04-10T02:30:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.27,"alt":51.97,"az":67.4,"t":"2041-04-10T02:35:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.25,"alt":52.83,"az":67.8,"t":"2041-04-10T02:40:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.24,"alt":53.7,"az":68.1,"t":"2041-04-10T02:45:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.57,"az":68.5,"t":"2041-04-10T02:50:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.21,"alt":55.44,"az":68.8,"t":"2041-04-10T02:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.2,"alt":56.32,"az":69.2,"t":"2041-04-10T03:00:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.19,"alt":57.19,"az":69.5,"t":"2041-04-10T03:05:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.18,"alt":58.07,"az":69.8,"t":"2041-04-10T03:10:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.17,"alt":58.95,"az":70.1,"t":"2041-04-10T03:15:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.16,"alt":59.83,"az":70.4,"t":"2041-04-10T03:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.71,"az":70.7,"t":"2041-04-10T03:25:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.6,"az":71.0,"t":"2041-04-10T03:30:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.13,"alt":62.48,"az":71.2,"t":"2041-04-10T03:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.12,"alt":63.37,"az":71.5,"t":"2041-04-10T03:40:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.11,"alt":64.26,"az":71.7,"t":"2041-04-10T03:45:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.1,"alt":65.15,"az":71.9,"t":"2041-04-10T03:50:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.09,"alt":66.04,"az":72.1,"t":"2041-04-10T03:55:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.09,"alt":66.93,"az":72.3,"t":"2041-04-10T04:00:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.08,"alt":67.82,"az":72.5,"t":"2041-04-10T04:05:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.07,"alt":68.71,"az":72.6,"t":"2041-04-10T04:10:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.07,"alt":69.61,"az":72.7,"t":"2041-04-10T04:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.06,"alt":70.5,"az":72.8,"t":"2041-04-10T04:20:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.05,"alt":71.4,"az":72.8,"t":"2041-04-10T04:25:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.05,"alt":72.29,"az":72.8,"t":"2041-04-10T04:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.04,"alt":73.18,"az":72.7,"t":"2041-04-10T04:35:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.04,"alt":74.08,"az":72.6,"t":"2041-04-10T04:40:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.04,"alt":74.97,"az":72.4,"t":"2041-04-10T04:45:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.03,"alt":75.86,"az":72.2,"t":"2041-04-10T04:50:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.03,"alt":76.75,"az":71.8,"t":"2041-04-10T04:55:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.02,"alt":77.64,"az":71.4,"t":"2041-04-10T05:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.02,"alt":78.53,"az":70.8,"t":"2041-04-10T05:05:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.02,"alt":79.41,"az":70.0,"t":"2041-04-10T05:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.01,"alt":80.28,"az":69.0,"t":"2041-04-10T05:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.01,"alt":81.15,"az":67.7,"t":"2041-04-10T05:20:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.01,"alt":82.01,"az":66.0,"t":"2041-04-10T05:25:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.01,"alt":82.86,"az":63.9,"t":"2041-04-10T05:30:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.01,"alt":83.69,"az":61.1,"t":"2041-04-10T05:35:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.0,"alt":84.5,"az":57.2,"t":"2041-04-10T05:40:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.0,"alt":85.26,"az":52.0,"t":"2041-04-10T05:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.0,"alt":85.96,"az":44.8,"t":"2041-04-10T05:50:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.0,"alt":86.56,"az":34.5,"t":"2041-04-10T05:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.0,"alt":87.0,"az":20.6,"t":"2041-04-10T06:00:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.0,"alt":87.2,"az":3.3,"t":"2041-04-10T06:05:00Z","terrain":-0.17},{"above_terrain":true,"airmass":1.0,"alt":87.1,"az":345.3,"t":"2041-04-10T06:10:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.0,"alt":86.74,"az":330.0,"t":"2041-04-10T06:15:00Z","terrain":-0.35},{"above_terrain":true,"airmass":1.0,"alt":86.19,"az":318.5,"t":"2041-04-10T06:20:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.0,"alt":85.52,"az":310.3,"t":"2041-04-10T06:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.0,"alt":84.78,"az":304.4,"t":"2041-04-10T06:30:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.01,"alt":83.98,"az":300.2,"t":"2041-04-10T06:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.01,"alt":83.16,"az":297.0,"t":"2041-04-10T06:40:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.01,"alt":82.32,"az":294.7,"t":"2041-04-10T06:45:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":81.46,"az":292.8,"t":"2041-04-10T06:50:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.01,"alt":80.6,"az":291.4,"t":"2041-04-10T06:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.02,"alt":79.72,"az":290.4,"t":"2041-04-10T07:00:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.02,"alt":78.84,"az":289.5,"t":"2041-04-10T07:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":77.96,"az":288.8,"t":"2041-04-10T07:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":77.07,"az":288.3,"t":"2041-04-10T07:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.18,"az":287.9,"t":"2041-04-10T07:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":75.29,"az":287.6,"t":"2041-04-10T07:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.04,"alt":74.4,"az":287.4,"t":"2041-04-10T07:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.04,"alt":73.5,"az":287.3,"t":"2041-04-10T07:35:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.05,"alt":72.61,"az":287.2,"t":"2041-04-10T07:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.05,"alt":71.72,"az":287.2,"t":"2041-04-10T07:45:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.06,"alt":70.82,"az":287.2,"t":"2041-04-10T07:50:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.06,"alt":69.93,"az":287.3,"t":"2041-04-10T07:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.07,"alt":69.03,"az":287.4,"t":"2041-04-10T08:00:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.08,"alt":68.14,"az":287.5,"t":"2041-04-10T08:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.08,"alt":67.25,"az":287.6,"t":"2041-04-10T08:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.09,"alt":66.36,"az":287.8,"t":"2041-04-10T08:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.1,"alt":65.47,"az":288.0,"t":"2041-04-10T08:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.11,"alt":64.58,"az":288.2,"t":"2041-04-10T08:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.11,"alt":63.69,"az":288.4,"t":"2041-04-10T08:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":62.8,"az":288.7,"t":"2041-04-10T08:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.13,"alt":61.91,"az":288.9,"t":"2041-04-10T08:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.03,"az":289.2,"t":"2041-04-10T08:45:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.15,"alt":60.15,"az":289.5,"t":"2041-04-10T08:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.16,"alt":59.27,"az":289.8,"t":"2041-04-10T08:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.17,"alt":58.39,"az":290.1,"t":"2041-04-10T09:00:00Z","terrain":0.31}],"transit":{"airmass":1.0,"alt":87.2,"az":3.3,"t":"2041-04-10T06:05:00Z"},"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."]}