{"assessment":{"best_window":{"end":"2027-02-01T04:00Z","end_local":"06:00","hours":1.58,"label":"good","mean_quality":0.75,"start":"2027-02-01T02:25Z","start_local":"04:25"},"cost":{"altitude":9.58,"clouds":0.0,"darkness":1.15,"moon":0.14},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically barely \u2014 weather unknown","hourly":[{"alt":9,"cloud":null,"high":null,"iso":"2027-01-31T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-63,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"18:00","wind":null},{"alt":2,"cloud":null,"high":null,"iso":"2027-01-31T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-71,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"19:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2027-01-31T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-75,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":-8,"cloud":null,"high":null,"iso":"2027-01-31T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-71,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":-9,"cloud":null,"high":null,"iso":"2027-01-31T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-62,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-9,"cloud":null,"high":null,"iso":"2027-01-31T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-52,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2027-01-31T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-41,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2027-01-31T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-30,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":5,"cloud":null,"high":null,"iso":"2027-02-01T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-20,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":13,"cloud":null,"high":null,"iso":"2027-02-01T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2027-02-01T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.49,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":32,"cloud":null,"high":null,"iso":"2027-02-01T03:00Z","label":"good","low":null,"mid":null,"moon_alt":7,"precip":null,"q":0.75,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2027-02-01T04:00Z","label":"marginal","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.41,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":53,"cloud":null,"high":null,"iso":"2027-02-01T05:00Z","label":"poor","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.13,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.81,"peak_sky":0.81,"quality_hours":1.78,"reasons":["the target being low or below 20\u00b0 cost 9.6 quality-hours","daylight and twilight cost 1.2 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":36,"score_weather":null,"sky_hours":1.78,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2027-02-01T01:50Z","end_local":"03:50","hours":10.33,"label":"unusable","mean_quality":0.0,"start":"2027-01-31T15:30Z","start_local":"17:30"},{"end":"2027-02-01T02:25Z","end_local":"04:25","hours":0.58,"label":"marginal","mean_quality":0.51,"start":"2027-02-01T01:50Z","start_local":"03:50"},{"end":"2027-02-01T04:00Z","end_local":"06:00","hours":1.58,"label":"good","mean_quality":0.75,"start":"2027-02-01T02:25Z","start_local":"04:25"},{"end":"2027-02-01T04:35Z","end_local":"06:35","hours":0.58,"label":"marginal","mean_quality":0.41,"start":"2027-02-01T04:00Z","start_local":"06:00"},{"end":"2027-02-01T05:05Z","end_local":"07:05","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2027-02-01T04:35Z","start_local":"06:35"},{"end":"2027-02-01T05:35Z","end_local":"07:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-02-01T05:05Z","start_local":"07:05"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2027-01-31T17:10:21Z","dark_hours":10.8,"dark_to":"2027-02-01T03:58:13Z","moon":{"illumination":0.267,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":8.97,"moonrise":"2027-02-01T02:09:05Z","moonset":null,"sunrise":"2027-02-01T05:33:33Z","sunset":"2027-01-31T15:34:46Z","twilight":{"astronomical":{"end":"2027-01-31T17:10:21Z","start":"2027-02-01T03:58:13Z"},"civil":{"end":"2027-01-31T16:04:19Z","start":"2027-02-01T05:04:06Z"},"nautical":{"end":"2027-01-31T16:37:40Z","start":"2027-02-01T04:30:49Z"}},"window_end":"2027-02-01T10:00:00Z","window_start":"2027-01-31T10:00:00Z"},"night_date":"2027-01-31","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.5,"alt":41.6,"t":"2027-02-01T03:55:00Z"},"dec":38.78368896,"dec_of_date":38.8082,"dec_str":"+38\u00b0 47' 01.3\"","good_hours":1.17,"limit_rise":"2027-02-01T01:45:08Z","limit_set":"2027-01-31T14:46:03Z","max_az_rate_deg_per_min":3.83,"moon_separation":72.1,"never_rises":false,"ra":279.23473479,"ra_of_date":279.4622,"ra_str":"18h 36m 56.3s","resolved":{"common_name":"Vega","dec":38.78368896,"name":"* alf Lyr","ra":279.23473479,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=Vega","source":"sesame","spectral_type":"A0V","type":"dS*","type_text":"delta Scuti variable","vmag":0.03},"summary":"Only 1.2 h above 30\u00b0, 2.2 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2027-01-31T17:22:05Z","blocked_dark_hours":0,"clears_at":"2027-01-31T23:17:25Z","rise_az":270.1},"track":[{"above_terrain":true,"airmass":1.06,"alt":70.26,"az":270.1,"t":"2027-01-31T10:00:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.07,"alt":69.33,"az":271.0,"t":"2027-01-31T10:05:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.08,"alt":68.39,"az":271.7,"t":"2027-01-31T10:10:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.08,"alt":67.46,"az":272.5,"t":"2027-01-31T10:15:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.09,"alt":66.52,"az":273.2,"t":"2027-01-31T10:20:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.1,"alt":65.59,"az":273.9,"t":"2027-01-31T10:25:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.11,"alt":64.66,"az":274.6,"t":"2027-01-31T10:30:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.11,"alt":63.72,"az":275.3,"t":"2027-01-31T10:35:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.12,"alt":62.79,"az":275.9,"t":"2027-01-31T10:40:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.13,"alt":61.86,"az":276.6,"t":"2027-01-31T10:45:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.14,"alt":60.93,"az":277.2,"t":"2027-01-31T10:50:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.15,"alt":60.0,"az":277.8,"t":"2027-01-31T10:55:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.16,"alt":59.08,"az":278.4,"t":"2027-01-31T11:00:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.18,"alt":58.15,"az":279.0,"t":"2027-01-31T11:05:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.19,"alt":57.23,"az":279.6,"t":"2027-01-31T11:10:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.2,"alt":56.31,"az":280.2,"t":"2027-01-31T11:15:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.21,"alt":55.39,"az":280.8,"t":"2027-01-31T11:20:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.23,"alt":54.47,"az":281.4,"t":"2027-01-31T11:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.24,"alt":53.55,"az":281.9,"t":"2027-01-31T11:30:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.26,"alt":52.64,"az":282.5,"t":"2027-01-31T11:35:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.27,"alt":51.72,"az":283.1,"t":"2027-01-31T11:40:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.29,"alt":50.81,"az":283.6,"t":"2027-01-31T11:45:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.31,"alt":49.9,"az":284.2,"t":"2027-01-31T11:50:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.32,"alt":49.0,"az":284.8,"t":"2027-01-31T11:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.34,"alt":48.09,"az":285.3,"t":"2027-01-31T12:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.36,"alt":47.19,"az":285.9,"t":"2027-01-31T12:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.38,"alt":46.29,"az":286.4,"t":"2027-01-31T12:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.4,"alt":45.4,"az":287.0,"t":"2027-01-31T12:15:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.42,"alt":44.5,"az":287.5,"t":"2027-01-31T12:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.45,"alt":43.61,"az":288.1,"t":"2027-01-31T12:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.47,"alt":42.72,"az":288.7,"t":"2027-01-31T12:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.5,"alt":41.84,"az":289.2,"t":"2027-01-31T12:35:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.52,"alt":40.96,"az":289.8,"t":"2027-01-31T12:40:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.55,"alt":40.08,"az":290.3,"t":"2027-01-31T12:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.58,"alt":39.2,"az":290.9,"t":"2027-01-31T12:50:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.61,"alt":38.33,"az":291.5,"t":"2027-01-31T12:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.64,"alt":37.46,"az":292.0,"t":"2027-01-31T13:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.67,"alt":36.59,"az":292.6,"t":"2027-01-31T13:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.71,"alt":35.73,"az":293.1,"t":"2027-01-31T13:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.75,"alt":34.87,"az":293.7,"t":"2027-01-31T13:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.78,"alt":34.02,"az":294.3,"t":"2027-01-31T13:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.82,"alt":33.17,"az":294.9,"t":"2027-01-31T13:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.87,"alt":32.32,"az":295.4,"t":"2027-01-31T13:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.91,"alt":31.48,"az":296.0,"t":"2027-01-31T13:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.96,"alt":30.64,"az":296.6,"t":"2027-01-31T13:40:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.01,"alt":29.8,"az":297.2,"t":"2027-01-31T13:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.06,"alt":28.97,"az":297.8,"t":"2027-01-31T13:50:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.11,"alt":28.15,"az":298.4,"t":"2027-01-31T13:55:00Z","terrain":0.14},{"above_terrain":true,"airmass":2.17,"alt":27.32,"az":299.0,"t":"2027-01-31T14:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.23,"alt":26.51,"az":299.6,"t":"2027-01-31T14:05:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.3,"alt":25.7,"az":300.2,"t":"2027-01-31T14:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.37,"alt":24.89,"az":300.8,"t":"2027-01-31T14:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.44,"alt":24.09,"az":301.4,"t":"2027-01-31T14:20:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.52,"alt":23.29,"az":302.0,"t":"2027-01-31T14:25:00Z","terrain":0.07},{"above_terrain":true,"airmass":2.6,"alt":22.5,"az":302.6,"t":"2027-01-31T14:30:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.69,"alt":21.72,"az":303.3,"t":"2027-01-31T14:35:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.78,"alt":20.94,"az":303.9,"t":"2027-01-31T14:40:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.88,"alt":20.16,"az":304.5,"t":"2027-01-31T14:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":2.99,"alt":19.39,"az":305.2,"t":"2027-01-31T14:50:00Z","terrain":-0.27},{"above_terrain":true,"airmass":3.1,"alt":18.63,"az":305.8,"t":"2027-01-31T14:55:00Z","terrain":-0.19},{"above_terrain":true,"airmass":3.23,"alt":17.88,"az":306.5,"t":"2027-01-31T15:00:00Z","terrain":-0.0},{"above_terrain":true,"airmass":3.36,"alt":17.13,"az":307.1,"t":"2027-01-31T15:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.51,"alt":16.38,"az":307.8,"t":"2027-01-31T15:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":3.66,"alt":15.65,"az":308.5,"t":"2027-01-31T15:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.83,"alt":14.92,"az":309.1,"t":"2027-01-31T15:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":4.02,"alt":14.2,"az":309.8,"t":"2027-01-31T15:25:00Z","terrain":0.21},{"above_terrain":true,"airmass":4.22,"alt":13.48,"az":310.5,"t":"2027-01-31T15:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":4.44,"alt":12.77,"az":311.2,"t":"2027-01-31T15:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.68,"alt":12.07,"az":311.9,"t":"2027-01-31T15:40:00Z","terrain":0.16},{"above_terrain":true,"airmass":4.95,"alt":11.38,"az":312.6,"t":"2027-01-31T15:45:00Z","terrain":0.22},{"above_terrain":true,"airmass":5.25,"alt":10.7,"az":313.3,"t":"2027-01-31T15:50:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.58,"alt":10.02,"az":314.0,"t":"2027-01-31T15:55:00Z","terrain":0.47},{"above_terrain":true,"airmass":5.95,"alt":9.35,"az":314.7,"t":"2027-01-31T16:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":6.36,"alt":8.69,"az":315.5,"t":"2027-01-31T16:05:00Z","terrain":0.52},{"above_terrain":true,"airmass":6.83,"alt":8.04,"az":316.2,"t":"2027-01-31T16:10:00Z","terrain":0.44},{"above_terrain":true,"airmass":7.36,"alt":7.39,"az":316.9,"t":"2027-01-31T16:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":7.97,"alt":6.76,"az":317.7,"t":"2027-01-31T16:20:00Z","terrain":0.32},{"above_terrain":true,"airmass":8.68,"alt":6.13,"az":318.5,"t":"2027-01-31T16:25:00Z","terrain":0.12},{"above_terrain":true,"airmass":9.5,"alt":5.52,"az":319.2,"t":"2027-01-31T16:30:00Z","terrain":-0.15},{"above_terrain":true,"airmass":10.46,"alt":4.91,"az":320.0,"t":"2027-01-31T16:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.6,"alt":4.31,"az":320.8,"t":"2027-01-31T16:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.98,"alt":3.73,"az":321.5,"t":"2027-01-31T16:45:00Z","terrain":0.02},{"above_terrain":true,"airmass":14.65,"alt":3.15,"az":322.3,"t":"2027-01-31T16:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":16.71,"alt":2.58,"az":323.1,"t":"2027-01-31T16:55:00Z","terrain":0.04},{"above_terrain":true,"airmass":19.29,"alt":2.03,"az":323.9,"t":"2027-01-31T17:00:00Z","terrain":-0.19},{"above_terrain":true,"airmass":22.57,"alt":1.48,"az":324.7,"t":"2027-01-31T17:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":26.79,"alt":0.95,"az":325.6,"t":"2027-01-31T17:10:00Z","terrain":-0.22},{"above_terrain":true,"airmass":32.26,"alt":0.42,"az":326.4,"t":"2027-01-31T17:15:00Z","terrain":-0.3},{"above_terrain":true,"airmass":null,"alt":-0.09,"az":327.2,"t":"2027-01-31T17:20:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-0.59,"az":328.1,"t":"2027-01-31T17:25:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-1.08,"az":328.9,"t":"2027-01-31T17:30:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-1.56,"az":329.7,"t":"2027-01-31T17:35:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-2.02,"az":330.6,"t":"2027-01-31T17:40:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-2.48,"az":331.5,"t":"2027-01-31T17:45:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-2.92,"az":332.3,"t":"2027-01-31T17:50:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":333.2,"t":"2027-01-31T17:55:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":334.1,"t":"2027-01-31T18:00:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-4.16,"az":335.0,"t":"2027-01-31T18:05:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-4.55,"az":335.9,"t":"2027-01-31T18:10:00Z","terrain":-0.81},{"above_terrain":false,"airmass":null,"alt":-4.93,"az":336.8,"t":"2027-01-31T18:15:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-5.29,"az":337.7,"t":"2027-01-31T18:20:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-5.64,"az":338.6,"t":"2027-01-31T18:25:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-5.97,"az":339.6,"t":"2027-01-31T18:30:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-6.29,"az":340.5,"t":"2027-01-31T18:35:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-6.6,"az":341.4,"t":"2027-01-31T18:40:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-6.89,"az":342.4,"t":"2027-01-31T18:45:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-7.16,"az":343.3,"t":"2027-01-31T18:50:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-7.42,"az":344.3,"t":"2027-01-31T18:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-7.67,"az":345.2,"t":"2027-01-31T19:00:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-7.9,"az":346.2,"t":"2027-01-31T19:05:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-8.12,"az":347.1,"t":"2027-01-31T19:10:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-8.32,"az":348.1,"t":"2027-01-31T19:15:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-8.51,"az":349.1,"t":"2027-01-31T19:20:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-8.67,"az":350.0,"t":"2027-01-31T19:25:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.83,"az":351.0,"t":"2027-01-31T19:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-8.97,"az":352.0,"t":"2027-01-31T19:35:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-9.09,"az":353.0,"t":"2027-01-31T19:40:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-9.2,"az":354.0,"t":"2027-01-31T19:45:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-9.29,"az":354.9,"t":"2027-01-31T19:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.36,"az":355.9,"t":"2027-01-31T19:55:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-9.42,"az":356.9,"t":"2027-01-31T20:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-9.46,"az":357.9,"t":"2027-01-31T20:05:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":358.9,"t":"2027-01-31T20:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":359.9,"t":"2027-01-31T20:15:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-9.49,"az":0.9,"t":"2027-01-31T20:20:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-9.47,"az":1.9,"t":"2027-01-31T20:25:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-9.43,"az":2.9,"t":"2027-01-31T20:30:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-9.38,"az":3.8,"t":"2027-01-31T20:35:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-9.31,"az":4.8,"t":"2027-01-31T20:40:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-9.22,"az":5.8,"t":"2027-01-31T20:45:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-9.12,"az":6.8,"t":"2027-01-31T20:50:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-9.0,"az":7.8,"t":"2027-01-31T20:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-8.86,"az":8.8,"t":"2027-01-31T21:00:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-8.71,"az":9.7,"t":"2027-01-31T21:05:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-8.55,"az":10.7,"t":"2027-01-31T21:10:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-8.37,"az":11.7,"t":"2027-01-31T21:15:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-8.17,"az":12.6,"t":"2027-01-31T21:20:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-7.96,"az":13.6,"t":"2027-01-31T21:25:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-7.73,"az":14.6,"t":"2027-01-31T21:30:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-7.48,"az":15.5,"t":"2027-01-31T21:35:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-7.23,"az":16.5,"t":"2027-01-31T21:40:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-6.95,"az":17.4,"t":"2027-01-31T21:45:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":18.4,"t":"2027-01-31T21:50:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-6.36,"az":19.3,"t":"2027-01-31T21:55:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-6.05,"az":20.2,"t":"2027-01-31T22:00:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-5.72,"az":21.1,"t":"2027-01-31T22:05:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-5.37,"az":22.1,"t":"2027-01-31T22:10:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-5.01,"az":23.0,"t":"2027-01-31T22:15:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-4.64,"az":23.9,"t":"2027-01-31T22:20:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-4.26,"az":24.8,"t":"2027-01-31T22:25:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":25.7,"t":"2027-01-31T22:30:00Z","terrain":1.3},{"above_terrain":false,"airmass":null,"alt":-3.45,"az":26.6,"t":"2027-01-31T22:35:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-3.02,"az":27.4,"t":"2027-01-31T22:40:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-2.58,"az":28.3,"t":"2027-01-31T22:45:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-2.13,"az":29.2,"t":"2027-01-31T22:50:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-1.67,"az":30.0,"t":"2027-01-31T22:55:00Z","terrain":1.16},{"above_terrain":false,"airmass":null,"alt":-1.2,"az":30.9,"t":"2027-01-31T23:00:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-0.71,"az":31.7,"t":"2027-01-31T23:05:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.21,"az":32.6,"t":"2027-01-31T23:10:00Z","terrain":1.13},{"above_terrain":false,"airmass":33.79,"alt":0.3,"az":33.4,"t":"2027-01-31T23:15:00Z","terrain":0.76},{"above_terrain":true,"airmass":27.98,"alt":0.82,"az":34.2,"t":"2027-01-31T23:20:00Z","terrain":0.34},{"above_terrain":true,"airmass":23.49,"alt":1.35,"az":35.1,"t":"2027-01-31T23:25:00Z","terrain":0.05},{"above_terrain":true,"airmass":20.01,"alt":1.89,"az":35.9,"t":"2027-01-31T23:30:00Z","terrain":0.03},{"above_terrain":true,"airmass":17.28,"alt":2.45,"az":36.7,"t":"2027-01-31T23:35:00Z","terrain":-0.05},{"above_terrain":true,"airmass":15.1,"alt":3.01,"az":37.5,"t":"2027-01-31T23:40:00Z","terrain":-0.15},{"above_terrain":true,"airmass":13.35,"alt":3.59,"az":38.3,"t":"2027-01-31T23:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.91,"alt":4.17,"az":39.1,"t":"2027-01-31T23:50:00Z","terrain":-0.15},{"above_terrain":true,"airmass":10.71,"alt":4.77,"az":39.8,"t":"2027-01-31T23:55:00Z","terrain":-0.07},{"above_terrain":true,"airmass":9.71,"alt":5.37,"az":40.6,"t":"2027-02-01T00:00:00Z","terrain":-0.01},{"above_terrain":true,"airmass":8.86,"alt":5.99,"az":41.4,"t":"2027-02-01T00:05:00Z","terrain":0.06},{"above_terrain":true,"airmass":8.13,"alt":6.61,"az":42.1,"t":"2027-02-01T00:10:00Z","terrain":0.14},{"above_terrain":true,"airmass":7.5,"alt":7.24,"az":42.9,"t":"2027-02-01T00:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":6.95,"alt":7.88,"az":43.6,"t":"2027-02-01T00:20:00Z","terrain":0.35},{"above_terrain":true,"airmass":6.47,"alt":8.53,"az":44.4,"t":"2027-02-01T00:25:00Z","terrain":0.47},{"above_terrain":true,"airmass":6.04,"alt":9.19,"az":45.1,"t":"2027-02-01T00:30:00Z","terrain":0.59},{"above_terrain":true,"airmass":5.66,"alt":9.86,"az":45.8,"t":"2027-02-01T00:35:00Z","terrain":0.65},{"above_terrain":true,"airmass":5.32,"alt":10.53,"az":46.5,"t":"2027-02-01T00:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":5.02,"alt":11.22,"az":47.2,"t":"2027-02-01T00:45:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.74,"alt":11.91,"az":47.9,"t":"2027-02-01T00:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":4.5,"alt":12.61,"az":48.6,"t":"2027-02-01T00:55:00Z","terrain":0.45},{"above_terrain":true,"airmass":4.27,"alt":13.31,"az":49.3,"t":"2027-02-01T01:00:00Z","terrain":0.41},{"above_terrain":true,"airmass":4.06,"alt":14.03,"az":50.0,"t":"2027-02-01T01:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.88,"alt":14.75,"az":50.7,"t":"2027-02-01T01:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.7,"alt":15.47,"az":51.4,"t":"2027-02-01T01:15:00Z","terrain":0.57},{"above_terrain":true,"airmass":3.54,"alt":16.21,"az":52.0,"t":"2027-02-01T01:20:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.4,"alt":16.95,"az":52.7,"t":"2027-02-01T01:25:00Z","terrain":0.78},{"above_terrain":true,"airmass":3.26,"alt":17.7,"az":53.4,"t":"2027-02-01T01:30:00Z","terrain":0.9},{"above_terrain":true,"airmass":3.13,"alt":18.45,"az":54.0,"t":"2027-02-01T01:35:00Z","terrain":1.0},{"above_terrain":true,"airmass":3.02,"alt":19.21,"az":54.7,"t":"2027-02-01T01:40:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.91,"alt":19.98,"az":55.3,"t":"2027-02-01T01:45:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.8,"alt":20.75,"az":55.9,"t":"2027-02-01T01:50:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.71,"alt":21.53,"az":56.6,"t":"2027-02-01T01:55:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.62,"alt":22.31,"az":57.2,"t":"2027-02-01T02:00:00Z","terrain":1.11},{"above_terrain":true,"airmass":2.54,"alt":23.1,"az":57.8,"t":"2027-02-01T02:05:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.46,"alt":23.9,"az":58.4,"t":"2027-02-01T02:10:00Z","terrain":1.23},{"above_terrain":true,"airmass":2.38,"alt":24.7,"az":59.1,"t":"2027-02-01T02:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":2.31,"alt":25.5,"az":59.7,"t":"2027-02-01T02:20:00Z","terrain":1.18},{"above_terrain":true,"airmass":2.25,"alt":26.31,"az":60.3,"t":"2027-02-01T02:25:00Z","terrain":1.15},{"above_terrain":true,"airmass":2.19,"alt":27.13,"az":60.9,"t":"2027-02-01T02:30:00Z","terrain":1.1},{"above_terrain":true,"airmass":2.13,"alt":27.95,"az":61.5,"t":"2027-02-01T02:35:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.07,"alt":28.77,"az":62.1,"t":"2027-02-01T02:40:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.02,"alt":29.6,"az":62.7,"t":"2027-02-01T02:45:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.97,"alt":30.44,"az":63.3,"t":"2027-02-01T02:50:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.92,"alt":31.27,"az":63.8,"t":"2027-02-01T02:55:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.88,"alt":32.12,"az":64.4,"t":"2027-02-01T03:00:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.83,"alt":32.96,"az":65.0,"t":"2027-02-01T03:05:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.79,"alt":33.81,"az":65.6,"t":"2027-02-01T03:10:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.75,"alt":34.67,"az":66.1,"t":"2027-02-01T03:15:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.72,"alt":35.52,"az":66.7,"t":"2027-02-01T03:20:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.68,"alt":36.39,"az":67.3,"t":"2027-02-01T03:25:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.65,"alt":37.25,"az":67.9,"t":"2027-02-01T03:30:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.62,"alt":38.12,"az":68.4,"t":"2027-02-01T03:35:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.59,"alt":38.99,"az":69.0,"t":"2027-02-01T03:40:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.56,"alt":39.87,"az":69.5,"t":"2027-02-01T03:45:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.53,"alt":40.75,"az":70.1,"t":"2027-02-01T03:50:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.5,"alt":41.63,"az":70.7,"t":"2027-02-01T03:55:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.48,"alt":42.51,"az":71.2,"t":"2027-02-01T04:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.45,"alt":43.4,"az":71.8,"t":"2027-02-01T04:05:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.43,"alt":44.29,"az":72.3,"t":"2027-02-01T04:10:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.41,"alt":45.18,"az":72.9,"t":"2027-02-01T04:15:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.39,"alt":46.08,"az":73.4,"t":"2027-02-01T04:20:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.37,"alt":46.98,"az":74.0,"t":"2027-02-01T04:25:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.35,"alt":47.88,"az":74.6,"t":"2027-02-01T04:30:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.33,"alt":48.78,"az":75.1,"t":"2027-02-01T04:35:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.31,"alt":49.69,"az":75.7,"t":"2027-02-01T04:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.29,"alt":50.6,"az":76.2,"t":"2027-02-01T04:45:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.28,"alt":51.51,"az":76.8,"t":"2027-02-01T04:50:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.26,"alt":52.42,"az":77.4,"t":"2027-02-01T04:55:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.25,"alt":53.33,"az":77.9,"t":"2027-02-01T05:00:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.23,"alt":54.25,"az":78.5,"t":"2027-02-01T05:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.22,"alt":55.17,"az":79.1,"t":"2027-02-01T05:10:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.2,"alt":56.09,"az":79.7,"t":"2027-02-01T05:15:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.19,"alt":57.01,"az":80.3,"t":"2027-02-01T05:20:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.18,"alt":57.93,"az":80.8,"t":"2027-02-01T05:25:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.17,"alt":58.86,"az":81.4,"t":"2027-02-01T05:30:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.16,"alt":59.78,"az":82.1,"t":"2027-02-01T05:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.15,"alt":60.71,"az":82.7,"t":"2027-02-01T05:40:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.14,"alt":61.64,"az":83.3,"t":"2027-02-01T05:45:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.13,"alt":62.57,"az":83.9,"t":"2027-02-01T05:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.12,"alt":63.5,"az":84.6,"t":"2027-02-01T05:55:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.11,"alt":64.43,"az":85.2,"t":"2027-02-01T06:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.1,"alt":65.37,"az":85.9,"t":"2027-02-01T06:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.09,"alt":66.3,"az":86.6,"t":"2027-02-01T06:10:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.08,"alt":67.23,"az":87.3,"t":"2027-02-01T06:15:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.08,"alt":68.17,"az":88.1,"t":"2027-02-01T06:20:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.07,"alt":69.11,"az":88.9,"t":"2027-02-01T06:25:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.06,"alt":70.04,"az":89.7,"t":"2027-02-01T06:30:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.06,"alt":70.98,"az":90.5,"t":"2027-02-01T06:35:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.05,"alt":71.91,"az":91.4,"t":"2027-02-01T06:40:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.05,"alt":72.85,"az":92.3,"t":"2027-02-01T06:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.04,"alt":73.78,"az":93.3,"t":"2027-02-01T06:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.04,"alt":74.72,"az":94.3,"t":"2027-02-01T06:55:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.03,"alt":75.65,"az":95.5,"t":"2027-02-01T07:00:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.03,"alt":76.58,"az":96.7,"t":"2027-02-01T07:05:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.02,"alt":77.51,"az":98.1,"t":"2027-02-01T07:10:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.02,"alt":78.43,"az":99.6,"t":"2027-02-01T07:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.02,"alt":79.35,"az":101.3,"t":"2027-02-01T07:20:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.01,"alt":80.27,"az":103.2,"t":"2027-02-01T07:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":1.01,"alt":81.18,"az":105.5,"t":"2027-02-01T07:30:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.01,"alt":82.07,"az":108.1,"t":"2027-02-01T07:35:00Z","terrain":-0.97},{"above_terrain":true,"airmass":1.01,"alt":82.95,"az":111.4,"t":"2027-02-01T07:40:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.01,"alt":83.81,"az":115.4,"t":"2027-02-01T07:45:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.0,"alt":84.64,"az":120.6,"t":"2027-02-01T07:50:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.0,"alt":85.42,"az":127.5,"t":"2027-02-01T07:55:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.0,"alt":86.11,"az":136.8,"t":"2027-02-01T08:00:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.0,"alt":86.68,"az":149.5,"t":"2027-02-01T08:05:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.0,"alt":87.03,"az":166.2,"t":"2027-02-01T08:10:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.0,"alt":87.1,"az":185.3,"t":"2027-02-01T08:15:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.0,"alt":86.87,"az":203.4,"t":"2027-02-01T08:20:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.0,"alt":86.39,"az":217.9,"t":"2027-02-01T08:25:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.0,"alt":85.74,"az":228.7,"t":"2027-02-01T08:30:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.0,"alt":85.0,"az":236.5,"t":"2027-02-01T08:35:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.0,"alt":84.19,"az":242.4,"t":"2027-02-01T08:40:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.01,"alt":83.34,"az":246.9,"t":"2027-02-01T08:45:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.01,"alt":82.47,"az":250.5,"t":"2027-02-01T08:50:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.01,"alt":81.58,"az":253.4,"t":"2027-02-01T08:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.01,"alt":80.68,"az":255.8,"t":"2027-02-01T09:00:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.02,"alt":79.77,"az":257.9,"t":"2027-02-01T09:05:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.02,"alt":78.85,"az":259.7,"t":"2027-02-01T09:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.02,"alt":77.93,"az":261.3,"t":"2027-02-01T09:15:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.03,"alt":77.0,"az":262.7,"t":"2027-02-01T09:20:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.03,"alt":76.07,"az":264.0,"t":"2027-02-01T09:25:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.03,"alt":75.14,"az":265.2,"t":"2027-02-01T09:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.04,"alt":74.21,"az":266.2,"t":"2027-02-01T09:35:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.04,"alt":73.27,"az":267.3,"t":"2027-02-01T09:40:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.05,"alt":72.34,"az":268.2,"t":"2027-02-01T09:45:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.05,"alt":71.4,"az":269.1,"t":"2027-02-01T09:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.06,"alt":70.46,"az":270.0,"t":"2027-02-01T09:55:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.07,"alt":69.53,"az":270.8,"t":"2027-02-01T10:00:00Z","terrain":0.81}],"transit":{"airmass":1.0,"alt":87.1,"az":185.3,"t":"2027-02-01T08:15:00Z"},"usable_hours":2.17,"verdict":"marginal","zenith_passage":true},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}