{"assessment":{"best_window":{"end":"2031-04-08T02:20Z","end_local":"05:20","hours":2.08,"label":"good","mean_quality":0.73,"start":"2031-04-08T00:15Z","start_local":"03:15"},"cost":{"altitude":5.98,"clouds":0.0,"darkness":1.19,"moon":0.33},"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":"2031-04-07T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":0,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"20:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2031-04-07T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":10,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":-3,"cloud":null,"high":null,"iso":"2031-04-07T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":20,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2031-04-07T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":4,"cloud":null,"high":null,"iso":"2031-04-07T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":33,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":10,"cloud":null,"high":null,"iso":"2031-04-07T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":36,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":17,"cloud":null,"high":null,"iso":"2031-04-07T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":36,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":25,"cloud":null,"high":null,"iso":"2031-04-08T00:00Z","label":"marginal","low":null,"mid":null,"moon_alt":32,"precip":null,"q":0.53,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":34,"cloud":null,"high":null,"iso":"2031-04-08T01:00Z","label":"good","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.72,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":44,"cloud":null,"high":null,"iso":"2031-04-08T02:00Z","label":"good","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.79,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":55,"cloud":null,"high":null,"iso":"2031-04-08T03:00Z","label":"poor","low":null,"mid":null,"moon_alt":9,"precip":null,"q":0.13,"rh":null,"sky":"nautical twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.81,"peak_sky":0.81,"quality_hours":2.22,"reasons":["the target being low or below 20\u00b0 cost 6.0 quality-hours","daylight and twilight cost 1.2 quality-hours","moonlight cost 0.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":45,"score_weather":null,"sky_hours":2.22,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2031-04-07T23:25Z","end_local":"02:25","hours":6.58,"label":"unusable","mean_quality":0.0,"start":"2031-04-07T16:50Z","start_local":"19:50"},{"end":"2031-04-08T00:15Z","end_local":"03:15","hours":0.83,"label":"marginal","mean_quality":0.46,"start":"2031-04-07T23:25Z","start_local":"02:25"},{"end":"2031-04-08T02:20Z","end_local":"05:20","hours":2.08,"label":"good","mean_quality":0.73,"start":"2031-04-08T00:15Z","start_local":"03:15"},{"end":"2031-04-08T02:55Z","end_local":"05:55","hours":0.58,"label":"marginal","mean_quality":0.42,"start":"2031-04-08T02:20Z","start_local":"05:20"},{"end":"2031-04-08T03:25Z","end_local":"06:25","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2031-04-08T02:55Z","start_local":"05:55"},{"end":"2031-04-08T03:55Z","end_local":"06:55","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2031-04-08T03:25Z","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":"2031-04-07T18:30:01Z","dark_hours":7.76,"dark_to":"2031-04-08T02:15:40Z","moon":{"illumination":0.999,"phase":"full moon","waxing":false},"moon_free_dark_hours":0.0,"moonrise":"2031-04-07T16:59:13Z","moonset":"2031-04-08T03:50:10Z","sunrise":"2031-04-08T03:53:00Z","sunset":"2031-04-07T16:52:36Z","twilight":{"astronomical":{"end":"2031-04-07T18:30:01Z","start":"2031-04-08T02:15:40Z"},"civil":{"end":"2031-04-07T17:20:58Z","start":"2031-04-08T03:24:40Z"},"nautical":{"end":"2031-04-07T17:54:46Z","start":"2031-04-08T02:50:53Z"}},"window_end":"2031-04-08T09:00:00Z","window_start":"2031-04-07T09:00:00Z"},"night_date":"2031-04-07","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.37,"alt":46.9,"t":"2031-04-08T02:15:00Z"},"dec":44.33,"dec_of_date":44.4527,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":1.75,"limit_rise":"2031-04-07T23:23:04Z","limit_set":"2031-04-07T13:12:11Z","max_az_rate_deg_per_min":3.63,"moon_separation":116.8,"never_rises":false,"ra":314.69583333,"ra_of_date":314.9756,"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 1.7 h above 30\u00b0, 2.9 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2031-04-07T16:28:54Z","blocked_dark_hours":0,"clears_at":"2031-04-07T20:30:16Z","rise_az":289.2},"track":[{"above_terrain":true,"airmass":1.14,"alt":60.8,"az":289.2,"t":"2031-04-07T09:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.16,"alt":59.91,"az":289.5,"t":"2031-04-07T09:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.17,"alt":59.03,"az":289.8,"t":"2031-04-07T09:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.18,"alt":58.15,"az":290.1,"t":"2031-04-07T09:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.19,"alt":57.27,"az":290.4,"t":"2031-04-07T09:20:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.2,"alt":56.4,"az":290.7,"t":"2031-04-07T09:25:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.21,"alt":55.52,"az":291.1,"t":"2031-04-07T09:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.23,"alt":54.65,"az":291.4,"t":"2031-04-07T09:35:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.24,"alt":53.78,"az":291.8,"t":"2031-04-07T09:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.25,"alt":52.91,"az":292.1,"t":"2031-04-07T09:45:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.27,"alt":52.05,"az":292.5,"t":"2031-04-07T09:50:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.28,"alt":51.18,"az":292.9,"t":"2031-04-07T09:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.3,"alt":50.32,"az":293.3,"t":"2031-04-07T10:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.31,"alt":49.46,"az":293.7,"t":"2031-04-07T10:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.61,"az":294.1,"t":"2031-04-07T10:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.75,"az":294.5,"t":"2031-04-07T10:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":46.9,"az":294.9,"t":"2031-04-07T10:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":46.06,"az":295.3,"t":"2031-04-07T10:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.41,"alt":45.21,"az":295.7,"t":"2031-04-07T10:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.43,"alt":44.37,"az":296.1,"t":"2031-04-07T10:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.45,"alt":43.53,"az":296.6,"t":"2031-04-07T10:40:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.47,"alt":42.7,"az":297.0,"t":"2031-04-07T10:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.5,"alt":41.86,"az":297.5,"t":"2031-04-07T10:50:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.52,"alt":41.03,"az":297.9,"t":"2031-04-07T10:55:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.55,"alt":40.21,"az":298.4,"t":"2031-04-07T11:00:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.57,"alt":39.39,"az":298.8,"t":"2031-04-07T11:05:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.6,"alt":38.57,"az":299.3,"t":"2031-04-07T11:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.63,"alt":37.75,"az":299.8,"t":"2031-04-07T11:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.66,"alt":36.94,"az":300.2,"t":"2031-04-07T11:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.69,"alt":36.14,"az":300.7,"t":"2031-04-07T11:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.73,"alt":35.33,"az":301.2,"t":"2031-04-07T11:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.76,"alt":34.54,"az":301.7,"t":"2031-04-07T11:35:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.8,"alt":33.74,"az":302.2,"t":"2031-04-07T11:40:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.83,"alt":32.95,"az":302.7,"t":"2031-04-07T11:45:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.87,"alt":32.17,"az":303.2,"t":"2031-04-07T11:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.92,"alt":31.39,"az":303.7,"t":"2031-04-07T11:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.96,"alt":30.61,"az":304.2,"t":"2031-04-07T12:00:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.0,"alt":29.84,"az":304.8,"t":"2031-04-07T12:05:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.05,"alt":29.07,"az":305.3,"t":"2031-04-07T12:10:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.1,"alt":28.31,"az":305.8,"t":"2031-04-07T12:15:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.15,"alt":27.56,"az":306.4,"t":"2031-04-07T12:20:00Z","terrain":-0.04},{"above_terrain":true,"airmass":2.21,"alt":26.8,"az":306.9,"t":"2031-04-07T12:25:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.27,"alt":26.06,"az":307.5,"t":"2031-04-07T12:30:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.33,"alt":25.32,"az":308.0,"t":"2031-04-07T12:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.39,"alt":24.58,"az":308.6,"t":"2031-04-07T12:40:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.46,"alt":23.86,"az":309.2,"t":"2031-04-07T12:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.53,"alt":23.13,"az":309.7,"t":"2031-04-07T12:50:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.61,"alt":22.42,"az":310.3,"t":"2031-04-07T12:55:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.69,"alt":21.71,"az":310.9,"t":"2031-04-07T13:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.77,"alt":21.0,"az":311.5,"t":"2031-04-07T13:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.86,"alt":20.3,"az":312.1,"t":"2031-04-07T13:10:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.96,"alt":19.61,"az":312.7,"t":"2031-04-07T13:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.06,"alt":18.93,"az":313.3,"t":"2031-04-07T13:20:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.17,"alt":18.25,"az":313.9,"t":"2031-04-07T13:25:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.28,"alt":17.58,"az":314.6,"t":"2031-04-07T13:30:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.4,"alt":16.92,"az":315.2,"t":"2031-04-07T13:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.53,"alt":16.26,"az":315.8,"t":"2031-04-07T13:40:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.67,"alt":15.61,"az":316.5,"t":"2031-04-07T13:45:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.82,"alt":14.97,"az":317.1,"t":"2031-04-07T13:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.98,"alt":14.34,"az":317.8,"t":"2031-04-07T13:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.15,"alt":13.71,"az":318.4,"t":"2031-04-07T14:00:00Z","terrain":0.13},{"above_terrain":true,"airmass":4.34,"alt":13.1,"az":319.1,"t":"2031-04-07T14:05:00Z","terrain":-0.15},{"above_terrain":true,"airmass":4.54,"alt":12.49,"az":319.8,"t":"2031-04-07T14:10:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.75,"alt":11.89,"az":320.4,"t":"2031-04-07T14:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.99,"alt":11.3,"az":321.1,"t":"2031-04-07T14:20:00Z","terrain":-0.15},{"above_terrain":true,"airmass":5.24,"alt":10.71,"az":321.8,"t":"2031-04-07T14:25:00Z","terrain":0.13},{"above_terrain":true,"airmass":5.52,"alt":10.14,"az":322.5,"t":"2031-04-07T14:30:00Z","terrain":0.14},{"above_terrain":true,"airmass":5.82,"alt":9.57,"az":323.2,"t":"2031-04-07T14:35:00Z","terrain":0.02},{"above_terrain":true,"airmass":6.15,"alt":9.02,"az":323.9,"t":"2031-04-07T14:40:00Z","terrain":-0.19},{"above_terrain":true,"airmass":6.51,"alt":8.47,"az":324.6,"t":"2031-04-07T14:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.91,"alt":7.93,"az":325.4,"t":"2031-04-07T14:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.35,"alt":7.41,"az":326.1,"t":"2031-04-07T14:55:00Z","terrain":-0.25},{"above_terrain":true,"airmass":7.84,"alt":6.89,"az":326.8,"t":"2031-04-07T15:00:00Z","terrain":-0.36},{"above_terrain":true,"airmass":8.38,"alt":6.38,"az":327.6,"t":"2031-04-07T15:05:00Z","terrain":-0.3},{"above_terrain":true,"airmass":8.99,"alt":5.89,"az":328.3,"t":"2031-04-07T15:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":9.67,"alt":5.4,"az":329.1,"t":"2031-04-07T15:15:00Z","terrain":-0.15},{"above_terrain":true,"airmass":10.44,"alt":4.92,"az":329.8,"t":"2031-04-07T15:20:00Z","terrain":-0.31},{"above_terrain":true,"airmass":11.3,"alt":4.46,"az":330.6,"t":"2031-04-07T15:25:00Z","terrain":-0.37},{"above_terrain":true,"airmass":12.29,"alt":4.01,"az":331.4,"t":"2031-04-07T15:30:00Z","terrain":-0.3},{"above_terrain":true,"airmass":13.42,"alt":3.56,"az":332.2,"t":"2031-04-07T15:35:00Z","terrain":-0.14},{"above_terrain":true,"airmass":14.71,"alt":3.13,"az":332.9,"t":"2031-04-07T15:40:00Z","terrain":-0.12},{"above_terrain":true,"airmass":16.2,"alt":2.71,"az":333.7,"t":"2031-04-07T15:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":17.93,"alt":2.3,"az":334.5,"t":"2031-04-07T15:50:00Z","terrain":-0.42},{"above_terrain":true,"airmass":19.94,"alt":1.91,"az":335.3,"t":"2031-04-07T15:55:00Z","terrain":-0.67},{"above_terrain":true,"airmass":22.3,"alt":1.52,"az":336.1,"t":"2031-04-07T16:00:00Z","terrain":-0.82},{"above_terrain":true,"airmass":25.05,"alt":1.15,"az":337.0,"t":"2031-04-07T16:05:00Z","terrain":-0.73},{"above_terrain":true,"airmass":28.28,"alt":0.79,"az":337.8,"t":"2031-04-07T16:10:00Z","terrain":-0.53},{"above_terrain":true,"airmass":32.04,"alt":0.44,"az":338.6,"t":"2031-04-07T16:15:00Z","terrain":-0.64},{"above_terrain":true,"airmass":36.39,"alt":0.11,"az":339.4,"t":"2031-04-07T16:20:00Z","terrain":-0.66},{"above_terrain":true,"airmass":null,"alt":-0.22,"az":340.3,"t":"2031-04-07T16:25:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-0.53,"az":341.1,"t":"2031-04-07T16:30:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-0.82,"az":341.9,"t":"2031-04-07T16:35:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-1.11,"az":342.8,"t":"2031-04-07T16:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.38,"az":343.6,"t":"2031-04-07T16:45:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.63,"az":344.5,"t":"2031-04-07T16:50:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.88,"az":345.4,"t":"2031-04-07T16:55:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-2.11,"az":346.2,"t":"2031-04-07T17:00:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-2.32,"az":347.1,"t":"2031-04-07T17:05:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-2.52,"az":348.0,"t":"2031-04-07T17:10:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-2.71,"az":348.8,"t":"2031-04-07T17:15:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-2.89,"az":349.7,"t":"2031-04-07T17:20:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-3.05,"az":350.6,"t":"2031-04-07T17:25:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.19,"az":351.5,"t":"2031-04-07T17:30:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-3.32,"az":352.4,"t":"2031-04-07T17:35:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-3.44,"az":353.3,"t":"2031-04-07T17:40:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-3.54,"az":354.2,"t":"2031-04-07T17:45:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.63,"az":355.0,"t":"2031-04-07T17:50:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-3.7,"az":355.9,"t":"2031-04-07T17:55:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":356.8,"t":"2031-04-07T18:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":357.7,"t":"2031-04-07T18:05:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-3.84,"az":358.6,"t":"2031-04-07T18:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":359.5,"t":"2031-04-07T18:15:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":0.4,"t":"2031-04-07T18:20:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-3.84,"az":1.3,"t":"2031-04-07T18:25:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":2.2,"t":"2031-04-07T18:30:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":3.1,"t":"2031-04-07T18:35:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-3.71,"az":4.0,"t":"2031-04-07T18:40:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-3.64,"az":4.9,"t":"2031-04-07T18:45:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.55,"az":5.8,"t":"2031-04-07T18:50:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-3.45,"az":6.7,"t":"2031-04-07T18:55:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-3.33,"az":7.6,"t":"2031-04-07T19:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.2,"az":8.5,"t":"2031-04-07T19:05:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-3.05,"az":9.3,"t":"2031-04-07T19:10:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-2.9,"az":10.2,"t":"2031-04-07T19:15:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-2.72,"az":11.1,"t":"2031-04-07T19:20:00Z","terrain":-0.38},{"above_terrain":false,"airmass":null,"alt":-2.54,"az":12.0,"t":"2031-04-07T19:25:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-2.33,"az":12.9,"t":"2031-04-07T19:30:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-2.12,"az":13.7,"t":"2031-04-07T19:35:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-1.89,"az":14.6,"t":"2031-04-07T19:40:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-1.65,"az":15.4,"t":"2031-04-07T19:45:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-1.39,"az":16.3,"t":"2031-04-07T19:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.12,"az":17.2,"t":"2031-04-07T19:55:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-0.84,"az":18.0,"t":"2031-04-07T20:00:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-0.54,"az":18.9,"t":"2031-04-07T20:05:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-0.23,"az":19.7,"t":"2031-04-07T20:10:00Z","terrain":0.65},{"above_terrain":false,"airmass":36.65,"alt":0.09,"az":20.5,"t":"2031-04-07T20:15:00Z","terrain":0.68},{"above_terrain":false,"airmass":32.27,"alt":0.42,"az":21.4,"t":"2031-04-07T20:20:00Z","terrain":0.8},{"above_terrain":false,"airmass":28.47,"alt":0.77,"az":22.2,"t":"2031-04-07T20:25:00Z","terrain":1.02},{"above_terrain":false,"airmass":25.22,"alt":1.13,"az":23.0,"t":"2031-04-07T20:30:00Z","terrain":1.16},{"above_terrain":true,"airmass":22.44,"alt":1.5,"az":23.8,"t":"2031-04-07T20:35:00Z","terrain":0.96},{"above_terrain":true,"airmass":20.07,"alt":1.88,"az":24.6,"t":"2031-04-07T20:40:00Z","terrain":1.11},{"above_terrain":true,"airmass":18.04,"alt":2.28,"az":25.4,"t":"2031-04-07T20:45:00Z","terrain":1.27},{"above_terrain":true,"airmass":16.29,"alt":2.69,"az":26.2,"t":"2031-04-07T20:50:00Z","terrain":1.33},{"above_terrain":true,"airmass":14.79,"alt":3.11,"az":27.0,"t":"2031-04-07T20:55:00Z","terrain":1.28},{"above_terrain":true,"airmass":13.48,"alt":3.54,"az":27.8,"t":"2031-04-07T21:00:00Z","terrain":1.21},{"above_terrain":true,"airmass":12.35,"alt":3.98,"az":28.6,"t":"2031-04-07T21:05:00Z","terrain":1.08},{"above_terrain":true,"airmass":11.36,"alt":4.43,"az":29.4,"t":"2031-04-07T21:10:00Z","terrain":1.05},{"above_terrain":true,"airmass":10.48,"alt":4.9,"az":30.1,"t":"2031-04-07T21:15:00Z","terrain":1.17},{"above_terrain":true,"airmass":9.71,"alt":5.37,"az":30.9,"t":"2031-04-07T21:20:00Z","terrain":1.29},{"above_terrain":true,"airmass":9.02,"alt":5.86,"az":31.6,"t":"2031-04-07T21:25:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.41,"alt":6.35,"az":32.4,"t":"2031-04-07T21:30:00Z","terrain":1.2},{"above_terrain":true,"airmass":7.87,"alt":6.86,"az":33.1,"t":"2031-04-07T21:35:00Z","terrain":0.92},{"above_terrain":true,"airmass":7.38,"alt":7.38,"az":33.9,"t":"2031-04-07T21:40:00Z","terrain":0.51},{"above_terrain":true,"airmass":6.93,"alt":7.9,"az":34.6,"t":"2031-04-07T21:45:00Z","terrain":0.2},{"above_terrain":true,"airmass":6.53,"alt":8.44,"az":35.3,"t":"2031-04-07T21:50:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.17,"alt":8.99,"az":36.0,"t":"2031-04-07T21:55:00Z","terrain":0.03},{"above_terrain":true,"airmass":5.83,"alt":9.54,"az":36.7,"t":"2031-04-07T22:00:00Z","terrain":-0.06},{"above_terrain":true,"airmass":5.53,"alt":10.11,"az":37.5,"t":"2031-04-07T22:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":5.25,"alt":10.68,"az":38.1,"t":"2031-04-07T22:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.0,"alt":11.26,"az":38.8,"t":"2031-04-07T22:15:00Z","terrain":-0.17},{"above_terrain":true,"airmass":4.76,"alt":11.85,"az":39.5,"t":"2031-04-07T22:20:00Z","terrain":-0.1},{"above_terrain":true,"airmass":4.55,"alt":12.45,"az":40.2,"t":"2031-04-07T22:25:00Z","terrain":-0.04},{"above_terrain":true,"airmass":4.35,"alt":13.06,"az":40.9,"t":"2031-04-07T22:30:00Z","terrain":0.01},{"above_terrain":true,"airmass":4.16,"alt":13.68,"az":41.5,"t":"2031-04-07T22:35:00Z","terrain":0.07},{"above_terrain":true,"airmass":3.99,"alt":14.3,"az":42.2,"t":"2031-04-07T22:40:00Z","terrain":0.15},{"above_terrain":true,"airmass":3.83,"alt":14.94,"az":42.9,"t":"2031-04-07T22:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.68,"alt":15.58,"az":43.5,"t":"2031-04-07T22:50:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.54,"alt":16.22,"az":44.1,"t":"2031-04-07T22:55:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.41,"alt":16.88,"az":44.8,"t":"2031-04-07T23:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.29,"alt":17.54,"az":45.4,"t":"2031-04-07T23:05:00Z","terrain":0.62},{"above_terrain":true,"airmass":3.17,"alt":18.21,"az":46.0,"t":"2031-04-07T23:10:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.06,"alt":18.89,"az":46.7,"t":"2031-04-07T23:15:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.96,"alt":19.57,"az":47.3,"t":"2031-04-07T23:20:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.87,"alt":20.26,"az":47.9,"t":"2031-04-07T23:25:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.78,"alt":20.96,"az":48.5,"t":"2031-04-07T23:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.69,"alt":21.67,"az":49.1,"t":"2031-04-07T23:35:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.61,"alt":22.38,"az":49.6,"t":"2031-04-07T23:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.54,"alt":23.09,"az":50.2,"t":"2031-04-07T23:45:00Z","terrain":0.43},{"above_terrain":true,"airmass":2.46,"alt":23.81,"az":50.8,"t":"2031-04-07T23:50:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.4,"alt":24.54,"az":51.4,"t":"2031-04-07T23:55:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.33,"alt":25.28,"az":51.9,"t":"2031-04-08T00:00:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.27,"alt":26.02,"az":52.5,"t":"2031-04-08T00:05:00Z","terrain":0.73},{"above_terrain":true,"airmass":2.21,"alt":26.76,"az":53.0,"t":"2031-04-08T00:10:00Z","terrain":0.85},{"above_terrain":true,"airmass":2.16,"alt":27.51,"az":53.6,"t":"2031-04-08T00:15:00Z","terrain":0.93},{"above_terrain":true,"airmass":2.1,"alt":28.27,"az":54.1,"t":"2031-04-08T00:20:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.05,"alt":29.03,"az":54.7,"t":"2031-04-08T00:25:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.01,"alt":29.8,"az":55.2,"t":"2031-04-08T00:30:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.96,"alt":30.57,"az":55.7,"t":"2031-04-08T00:35:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.92,"alt":31.34,"az":56.2,"t":"2031-04-08T00:40:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.88,"alt":32.12,"az":56.8,"t":"2031-04-08T00:45:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.84,"alt":32.91,"az":57.3,"t":"2031-04-08T00:50:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.8,"alt":33.7,"az":57.8,"t":"2031-04-08T00:55:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.76,"alt":34.49,"az":58.3,"t":"2031-04-08T01:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.73,"alt":35.29,"az":58.8,"t":"2031-04-08T01:05:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.69,"alt":36.09,"az":59.3,"t":"2031-04-08T01:10:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.66,"alt":36.9,"az":59.7,"t":"2031-04-08T01:15:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.63,"alt":37.71,"az":60.2,"t":"2031-04-08T01:20:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.6,"alt":38.52,"az":60.7,"t":"2031-04-08T01:25:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.58,"alt":39.34,"az":61.1,"t":"2031-04-08T01:30:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.55,"alt":40.16,"az":61.6,"t":"2031-04-08T01:35:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.52,"alt":40.99,"az":62.1,"t":"2031-04-08T01:40:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.5,"alt":41.82,"az":62.5,"t":"2031-04-08T01:45:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.47,"alt":42.65,"az":63.0,"t":"2031-04-08T01:50:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.45,"alt":43.48,"az":63.4,"t":"2031-04-08T01:55:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.43,"alt":44.32,"az":63.8,"t":"2031-04-08T02:00:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.41,"alt":45.16,"az":64.3,"t":"2031-04-08T02:05:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":46.01,"az":64.7,"t":"2031-04-08T02:10:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.86,"az":65.1,"t":"2031-04-08T02:15:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.35,"alt":47.71,"az":65.5,"t":"2031-04-08T02:20:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.33,"alt":48.56,"az":65.9,"t":"2031-04-08T02:25:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.32,"alt":49.41,"az":66.3,"t":"2031-04-08T02:30:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.3,"alt":50.27,"az":66.7,"t":"2031-04-08T02:35:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.28,"alt":51.13,"az":67.1,"t":"2031-04-08T02:40:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.27,"alt":52.0,"az":67.5,"t":"2031-04-08T02:45:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.25,"alt":52.86,"az":67.8,"t":"2031-04-08T02:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.24,"alt":53.73,"az":68.2,"t":"2031-04-08T02:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.6,"az":68.6,"t":"2031-04-08T03:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.21,"alt":55.47,"az":68.9,"t":"2031-04-08T03:05:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.2,"alt":56.35,"az":69.2,"t":"2031-04-08T03:10:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.19,"alt":57.22,"az":69.6,"t":"2031-04-08T03:15:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.18,"alt":58.1,"az":69.9,"t":"2031-04-08T03:20:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.17,"alt":58.98,"az":70.2,"t":"2031-04-08T03:25:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.86,"az":70.5,"t":"2031-04-08T03:30:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.75,"az":70.8,"t":"2031-04-08T03:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.63,"az":71.1,"t":"2031-04-08T03:40:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.13,"alt":62.52,"az":71.3,"t":"2031-04-08T03:45:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.4,"az":71.6,"t":"2031-04-08T03:50:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":64.29,"az":71.8,"t":"2031-04-08T03:55:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.18,"az":72.0,"t":"2031-04-08T04:00:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.09,"alt":66.07,"az":72.2,"t":"2031-04-08T04:05:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.09,"alt":66.97,"az":72.4,"t":"2031-04-08T04:10:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.08,"alt":67.86,"az":72.6,"t":"2031-04-08T04:15:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.07,"alt":68.75,"az":72.7,"t":"2031-04-08T04:20:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.07,"alt":69.65,"az":72.8,"t":"2031-04-08T04:25:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.06,"alt":70.54,"az":72.9,"t":"2031-04-08T04:30:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.05,"alt":71.43,"az":72.9,"t":"2031-04-08T04:35:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.05,"alt":72.33,"az":72.9,"t":"2031-04-08T04:40:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.04,"alt":73.22,"az":72.9,"t":"2031-04-08T04:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.04,"alt":74.12,"az":72.8,"t":"2031-04-08T04:50:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.03,"alt":75.01,"az":72.6,"t":"2031-04-08T04:55:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.03,"alt":75.9,"az":72.3,"t":"2031-04-08T05:00:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.03,"alt":76.8,"az":72.0,"t":"2031-04-08T05:05:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.02,"alt":77.68,"az":71.5,"t":"2031-04-08T05:10:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.02,"alt":78.57,"az":70.9,"t":"2031-04-08T05:15:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.02,"alt":79.45,"az":70.1,"t":"2031-04-08T05:20:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.01,"alt":80.33,"az":69.2,"t":"2031-04-08T05:25:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.01,"alt":81.2,"az":67.9,"t":"2031-04-08T05:30:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.01,"alt":82.06,"az":66.2,"t":"2031-04-08T05:35:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.01,"alt":82.91,"az":64.1,"t":"2031-04-08T05:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":83.75,"az":61.2,"t":"2031-04-08T05:45:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.0,"alt":84.55,"az":57.4,"t":"2031-04-08T05:50:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.0,"alt":85.32,"az":52.2,"t":"2031-04-08T05:55:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.0,"alt":86.02,"az":44.8,"t":"2031-04-08T06:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.0,"alt":86.62,"az":34.4,"t":"2031-04-08T06:05:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.0,"alt":87.05,"az":20.2,"t":"2031-04-08T06:10:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.0,"alt":87.24,"az":2.5,"t":"2031-04-08T06:15:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.0,"alt":87.13,"az":344.4,"t":"2031-04-08T06:20:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.0,"alt":86.76,"az":329.0,"t":"2031-04-08T06:25:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.0,"alt":86.19,"az":317.7,"t":"2031-04-08T06:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.0,"alt":85.51,"az":309.6,"t":"2031-04-08T06:35:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.0,"alt":84.76,"az":303.8,"t":"2031-04-08T06:40:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.01,"alt":83.97,"az":299.7,"t":"2031-04-08T06:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.01,"alt":83.14,"az":296.6,"t":"2031-04-08T06:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.01,"alt":82.29,"az":294.3,"t":"2031-04-08T06:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":81.44,"az":292.5,"t":"2031-04-08T07:00:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.01,"alt":80.57,"az":291.2,"t":"2031-04-08T07:05:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.02,"alt":79.69,"az":290.1,"t":"2031-04-08T07:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.02,"alt":78.81,"az":289.3,"t":"2031-04-08T07:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.02,"alt":77.92,"az":288.6,"t":"2031-04-08T07:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":77.04,"az":288.1,"t":"2031-04-08T07:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.14,"az":287.8,"t":"2031-04-08T07:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.03,"alt":75.25,"az":287.5,"t":"2031-04-08T07:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.04,"alt":74.36,"az":287.3,"t":"2031-04-08T07:40:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.04,"alt":73.47,"az":287.2,"t":"2031-04-08T07:45:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.05,"alt":72.57,"az":287.1,"t":"2031-04-08T07:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.05,"alt":71.68,"az":287.1,"t":"2031-04-08T07:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.06,"alt":70.78,"az":287.1,"t":"2031-04-08T08:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.06,"alt":69.89,"az":287.2,"t":"2031-04-08T08:05:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.07,"alt":68.99,"az":287.3,"t":"2031-04-08T08:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.08,"alt":68.1,"az":287.4,"t":"2031-04-08T08:15:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.08,"alt":67.21,"az":287.5,"t":"2031-04-08T08:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.09,"alt":66.31,"az":287.7,"t":"2031-04-08T08:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.1,"alt":65.42,"az":287.9,"t":"2031-04-08T08:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.11,"alt":64.53,"az":288.1,"t":"2031-04-08T08:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.64,"az":288.3,"t":"2031-04-08T08:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":62.76,"az":288.6,"t":"2031-04-08T08:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.13,"alt":61.87,"az":288.9,"t":"2031-04-08T08:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":60.98,"az":289.1,"t":"2031-04-08T08:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.15,"alt":60.1,"az":289.4,"t":"2031-04-08T09:00:00Z","terrain":0.23}],"transit":{"airmass":1.0,"alt":87.2,"az":2.5,"t":"2031-04-08T06:15:00Z"},"usable_hours":2.92,"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."]}