{"assessment":{"best_window":{"end":"2041-05-13T01:10Z","end_local":"04:10","hours":3.17,"label":"good","mean_quality":0.77,"start":"2041-05-12T22:00Z","start_local":"01:00"},"cost":{"altitude":2.84,"clouds":0.0,"darkness":1.44,"moon":0.46},"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 worth it \u2014 weather unknown","hourly":[{"alt":0,"cloud":null,"high":null,"iso":"2041-05-12T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":38,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":5,"cloud":null,"high":null,"iso":"2041-05-12T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":43,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":12,"cloud":null,"high":null,"iso":"2041-05-12T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":45,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":19,"cloud":null,"high":null,"iso":"2041-05-12T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":42,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":28,"cloud":null,"high":null,"iso":"2041-05-12T22:00Z","label":"good","low":null,"mid":null,"moon_alt":36,"precip":null,"q":0.62,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":38,"cloud":null,"high":null,"iso":"2041-05-12T23:00Z","label":"good","low":null,"mid":null,"moon_alt":28,"precip":null,"q":0.73,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":48,"cloud":null,"high":null,"iso":"2041-05-13T00:00Z","label":"good","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":58,"cloud":null,"high":null,"iso":"2041-05-13T01:00Z","label":"good","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.88,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":69,"cloud":null,"high":null,"iso":"2041-05-13T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":-3,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null},{"alt":79,"cloud":null,"high":null,"iso":"2041-05-13T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-14,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.89,"peak_sky":0.89,"quality_hours":3.32,"reasons":["the target being low or below 20\u00b0 cost 2.8 quality-hours","daylight and twilight cost 1.4 quality-hours","moonlight cost 0.5 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":74,"score_weather":null,"sky_hours":3.32,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2041-05-12T21:05Z","end_local":"00:05","hours":3.58,"label":"unusable","mean_quality":0.0,"start":"2041-05-12T17:30Z","start_local":"20:30"},{"end":"2041-05-12T22:00Z","end_local":"01:00","hours":0.92,"label":"marginal","mean_quality":0.47,"start":"2041-05-12T21:05Z","start_local":"00:05"},{"end":"2041-05-13T01:10Z","end_local":"04:10","hours":3.17,"label":"good","mean_quality":0.77,"start":"2041-05-12T22:00Z","start_local":"01:00"},{"end":"2041-05-13T01:55Z","end_local":"04:55","hours":0.75,"label":"marginal","mean_quality":0.46,"start":"2041-05-13T01:10Z","start_local":"04:10"},{"end":"2041-05-13T02:35Z","end_local":"05:35","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2041-05-13T01:55Z","start_local":"04:55"},{"end":"2041-05-13T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2041-05-13T02:35Z","start_local":"05:35"}]},"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":"2041-05-12T19:25:37Z","dark_hours":5.72,"dark_to":"2041-05-13T01:08:48Z","moon":{"illumination":0.898,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.0,"moonrise":"2041-05-12T13:55:12Z","moonset":"2041-05-13T01:41:43Z","sunrise":"2041-05-13T03:03:17Z","sunset":"2041-05-12T17:31:07Z","twilight":{"astronomical":{"end":"2041-05-12T19:25:37Z","start":"2041-05-13T01:08:48Z"},"civil":{"end":"2041-05-12T18:02:38Z","start":"2041-05-13T02:31:46Z"},"nautical":{"end":"2041-05-12T18:41:48Z","start":"2041-05-13T01:52:37Z"}},"window_end":"2041-05-13T09:00:00Z","window_start":"2041-05-12T09:00:00Z"},"night_date":"2041-05-12","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.17,"alt":58.9,"t":"2041-05-13T01:05:00Z"},"dec":44.25788576,"dec_of_date":44.4204,"dec_str":"+44\u00b0 15' 28.4\"","good_hours":2.92,"limit_rise":"2041-05-12T21:03:49Z","limit_set":"2041-05-12T10:52:38Z","max_az_rate_deg_per_min":3.7,"moon_separation":113.4,"never_rises":false,"ra":314.72388973,"ra_of_date":315.0945,"ra_str":"20h 58m 53.7s","resolved":{"dec":44.25788576,"name":"EM* LkHA 190","ra":314.72388973,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=V1057%20Cyg","source":"sesame","spectral_type":"F7/G3I/IIe","type":"Or*","type_text":"Orion-type variable \u2014 a young, erupting star","vmag":12.33},"summary":"Only 2.9 h above 30\u00b0, 4.1 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2041-05-12T14:08:57Z","blocked_dark_hours":0,"clears_at":"2041-05-12T18:10:50Z","rise_az":300.1},"track":[{"above_terrain":true,"airmass":1.66,"alt":37.03,"az":300.1,"t":"2041-05-12T09:00:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.69,"alt":36.22,"az":300.6,"t":"2041-05-12T09:05:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.72,"alt":35.41,"az":301.1,"t":"2041-05-12T09:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.76,"alt":34.62,"az":301.6,"t":"2041-05-12T09:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.79,"alt":33.82,"az":302.1,"t":"2041-05-12T09:20:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.83,"alt":33.03,"az":302.6,"t":"2041-05-12T09:25:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.87,"alt":32.24,"az":303.1,"t":"2041-05-12T09:30:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.91,"alt":31.46,"az":303.6,"t":"2041-05-12T09:35:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.95,"alt":30.69,"az":304.1,"t":"2041-05-12T09:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.0,"alt":29.91,"az":304.7,"t":"2041-05-12T09:45:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.05,"alt":29.15,"az":305.2,"t":"2041-05-12T09:50:00Z","terrain":-0.27},{"above_terrain":true,"airmass":2.1,"alt":28.38,"az":305.7,"t":"2041-05-12T09:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":2.15,"alt":27.63,"az":306.3,"t":"2041-05-12T10:00:00Z","terrain":-0.07},{"above_terrain":true,"airmass":2.2,"alt":26.87,"az":306.8,"t":"2041-05-12T10:05:00Z","terrain":0.12},{"above_terrain":true,"airmass":2.26,"alt":26.13,"az":307.4,"t":"2041-05-12T10:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.32,"alt":25.39,"az":307.9,"t":"2041-05-12T10:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.39,"alt":24.65,"az":308.5,"t":"2041-05-12T10:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.45,"alt":23.92,"az":309.1,"t":"2041-05-12T10:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.53,"alt":23.2,"az":309.6,"t":"2041-05-12T10:30:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.6,"alt":22.48,"az":310.2,"t":"2041-05-12T10:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.68,"alt":21.77,"az":310.8,"t":"2041-05-12T10:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.76,"alt":21.06,"az":311.4,"t":"2041-05-12T10:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.85,"alt":20.37,"az":312.0,"t":"2041-05-12T10:50:00Z","terrain":0.14},{"above_terrain":true,"airmass":2.95,"alt":19.67,"az":312.6,"t":"2041-05-12T10:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.05,"alt":18.99,"az":313.2,"t":"2041-05-12T11:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.16,"alt":18.31,"az":313.8,"t":"2041-05-12T11:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":3.27,"alt":17.64,"az":314.5,"t":"2041-05-12T11:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.39,"alt":16.97,"az":315.1,"t":"2041-05-12T11:15:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.52,"alt":16.32,"az":315.7,"t":"2041-05-12T11:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":3.66,"alt":15.67,"az":316.4,"t":"2041-05-12T11:25:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.81,"alt":15.02,"az":317.0,"t":"2041-05-12T11:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.97,"alt":14.39,"az":317.7,"t":"2041-05-12T11:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.14,"alt":13.76,"az":318.3,"t":"2041-05-12T11:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":4.32,"alt":13.14,"az":319.0,"t":"2041-05-12T11:45:00Z","terrain":-0.13},{"above_terrain":true,"airmass":4.52,"alt":12.53,"az":319.7,"t":"2041-05-12T11:50:00Z","terrain":-0.18},{"above_terrain":true,"airmass":4.73,"alt":11.93,"az":320.3,"t":"2041-05-12T11:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.97,"alt":11.34,"az":321.0,"t":"2041-05-12T12:00:00Z","terrain":-0.19},{"above_terrain":true,"airmass":5.22,"alt":10.76,"az":321.7,"t":"2041-05-12T12:05:00Z","terrain":0.09},{"above_terrain":true,"airmass":5.49,"alt":10.18,"az":322.4,"t":"2041-05-12T12:10:00Z","terrain":0.16},{"above_terrain":true,"airmass":5.79,"alt":9.61,"az":323.1,"t":"2041-05-12T12:15:00Z","terrain":0.05},{"above_terrain":true,"airmass":6.12,"alt":9.06,"az":323.8,"t":"2041-05-12T12:20:00Z","terrain":-0.16},{"above_terrain":true,"airmass":6.48,"alt":8.51,"az":324.5,"t":"2041-05-12T12:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.88,"alt":7.97,"az":325.3,"t":"2041-05-12T12:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.32,"alt":7.44,"az":326.0,"t":"2041-05-12T12:35:00Z","terrain":-0.24},{"above_terrain":true,"airmass":7.8,"alt":6.92,"az":326.7,"t":"2041-05-12T12:40:00Z","terrain":-0.35},{"above_terrain":true,"airmass":8.34,"alt":6.41,"az":327.5,"t":"2041-05-12T12:45:00Z","terrain":-0.32},{"above_terrain":true,"airmass":8.95,"alt":5.92,"az":328.2,"t":"2041-05-12T12:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":9.63,"alt":5.43,"az":329.0,"t":"2041-05-12T12:55:00Z","terrain":-0.13},{"above_terrain":true,"airmass":10.39,"alt":4.95,"az":329.7,"t":"2041-05-12T13:00:00Z","terrain":-0.29},{"above_terrain":true,"airmass":11.25,"alt":4.49,"az":330.5,"t":"2041-05-12T13:05:00Z","terrain":-0.37},{"above_terrain":true,"airmass":12.23,"alt":4.03,"az":331.3,"t":"2041-05-12T13:10:00Z","terrain":-0.32},{"above_terrain":true,"airmass":13.35,"alt":3.59,"az":332.0,"t":"2041-05-12T13:15:00Z","terrain":-0.14},{"above_terrain":true,"airmass":14.64,"alt":3.15,"az":332.8,"t":"2041-05-12T13:20:00Z","terrain":-0.12},{"above_terrain":true,"airmass":16.12,"alt":2.73,"az":333.6,"t":"2041-05-12T13:25:00Z","terrain":-0.19},{"above_terrain":true,"airmass":17.85,"alt":2.32,"az":334.4,"t":"2041-05-12T13:30:00Z","terrain":-0.38},{"above_terrain":true,"airmass":19.85,"alt":1.92,"az":335.2,"t":"2041-05-12T13:35:00Z","terrain":-0.64},{"above_terrain":true,"airmass":22.19,"alt":1.54,"az":336.0,"t":"2041-05-12T13:40:00Z","terrain":-0.83},{"above_terrain":true,"airmass":24.94,"alt":1.16,"az":336.8,"t":"2041-05-12T13:45:00Z","terrain":-0.75},{"above_terrain":true,"airmass":28.16,"alt":0.8,"az":337.7,"t":"2041-05-12T13:50:00Z","terrain":-0.56},{"above_terrain":true,"airmass":31.92,"alt":0.45,"az":338.5,"t":"2041-05-12T13:55:00Z","terrain":-0.61},{"above_terrain":true,"airmass":36.26,"alt":0.11,"az":339.3,"t":"2041-05-12T14:00:00Z","terrain":-0.68},{"above_terrain":true,"airmass":null,"alt":-0.21,"az":340.2,"t":"2041-05-12T14:05:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-0.52,"az":341.0,"t":"2041-05-12T14:10:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-0.82,"az":341.8,"t":"2041-05-12T14:15:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-1.1,"az":342.7,"t":"2041-05-12T14:20:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-1.38,"az":343.5,"t":"2041-05-12T14:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.64,"az":344.4,"t":"2041-05-12T14:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.88,"az":345.3,"t":"2041-05-12T14:35:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-2.11,"az":346.1,"t":"2041-05-12T14:40:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-2.33,"az":347.0,"t":"2041-05-12T14:45:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-2.53,"az":347.9,"t":"2041-05-12T14:50:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-2.72,"az":348.7,"t":"2041-05-12T14:55:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-2.9,"az":349.6,"t":"2041-05-12T15:00:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-3.06,"az":350.5,"t":"2041-05-12T15:05:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.21,"az":351.4,"t":"2041-05-12T15:10:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-3.34,"az":352.3,"t":"2041-05-12T15:15:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-3.46,"az":353.2,"t":"2041-05-12T15:20:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-3.56,"az":354.0,"t":"2041-05-12T15:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.65,"az":354.9,"t":"2041-05-12T15:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.73,"az":355.8,"t":"2041-05-12T15:35:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-3.79,"az":356.7,"t":"2041-05-12T15:40:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.84,"az":357.6,"t":"2041-05-12T15:45:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":358.5,"t":"2041-05-12T15:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":359.4,"t":"2041-05-12T15:55:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":0.3,"t":"2041-05-12T16:00:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":1.2,"t":"2041-05-12T16:05:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":2.1,"t":"2041-05-12T16:10:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-3.8,"az":3.0,"t":"2041-05-12T16:15:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-3.75,"az":3.9,"t":"2041-05-12T16:20:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":4.8,"t":"2041-05-12T16:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-3.59,"az":5.7,"t":"2041-05-12T16:30:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-3.49,"az":6.6,"t":"2041-05-12T16:35:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-3.38,"az":7.5,"t":"2041-05-12T16:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.25,"az":8.4,"t":"2041-05-12T16:45:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-3.1,"az":9.2,"t":"2041-05-12T16:50:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-2.95,"az":10.1,"t":"2041-05-12T16:55:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-2.78,"az":11.0,"t":"2041-05-12T17:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-2.59,"az":11.9,"t":"2041-05-12T17:05:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-2.39,"az":12.8,"t":"2041-05-12T17:10:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-2.18,"az":13.6,"t":"2041-05-12T17:15:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-1.95,"az":14.5,"t":"2041-05-12T17:20:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-1.71,"az":15.4,"t":"2041-05-12T17:25:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-1.45,"az":16.2,"t":"2041-05-12T17:30:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-1.19,"az":17.1,"t":"2041-05-12T17:35:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-0.9,"az":17.9,"t":"2041-05-12T17:40:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-0.61,"az":18.8,"t":"2041-05-12T17:45:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-0.3,"az":19.6,"t":"2041-05-12T17:50:00Z","terrain":0.65},{"above_terrain":false,"airmass":37.64,"alt":0.02,"az":20.4,"t":"2041-05-12T17:55:00Z","terrain":0.68},{"above_terrain":false,"airmass":33.12,"alt":0.35,"az":21.3,"t":"2041-05-12T18:00:00Z","terrain":0.77},{"above_terrain":false,"airmass":29.2,"alt":0.7,"az":22.1,"t":"2041-05-12T18:05:00Z","terrain":1.01},{"above_terrain":false,"airmass":25.83,"alt":1.06,"az":22.9,"t":"2041-05-12T18:10:00Z","terrain":1.15},{"above_terrain":true,"airmass":22.95,"alt":1.43,"az":23.7,"t":"2041-05-12T18:15:00Z","terrain":0.98},{"above_terrain":true,"airmass":20.5,"alt":1.81,"az":24.5,"t":"2041-05-12T18:20:00Z","terrain":1.08},{"above_terrain":true,"airmass":18.4,"alt":2.2,"az":25.3,"t":"2041-05-12T18:25:00Z","terrain":1.26},{"above_terrain":true,"airmass":16.6,"alt":2.61,"az":26.1,"t":"2041-05-12T18:30:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.05,"alt":3.03,"az":26.9,"t":"2041-05-12T18:35:00Z","terrain":1.28},{"above_terrain":true,"airmass":13.71,"alt":3.46,"az":27.7,"t":"2041-05-12T18:40:00Z","terrain":1.21},{"above_terrain":true,"airmass":12.54,"alt":3.9,"az":28.5,"t":"2041-05-12T18:45:00Z","terrain":1.09},{"above_terrain":true,"airmass":11.52,"alt":4.35,"az":29.3,"t":"2041-05-12T18:50:00Z","terrain":1.04},{"above_terrain":true,"airmass":10.63,"alt":4.81,"az":30.0,"t":"2041-05-12T18:55:00Z","terrain":1.16},{"above_terrain":true,"airmass":9.84,"alt":5.29,"az":30.8,"t":"2041-05-12T19:00:00Z","terrain":1.28},{"above_terrain":true,"airmass":9.14,"alt":5.77,"az":31.6,"t":"2041-05-12T19:05:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.51,"alt":6.27,"az":32.3,"t":"2041-05-12T19:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":7.96,"alt":6.77,"az":33.1,"t":"2041-05-12T19:15:00Z","terrain":0.96},{"above_terrain":true,"airmass":7.45,"alt":7.29,"az":33.8,"t":"2041-05-12T19:20:00Z","terrain":0.54},{"above_terrain":true,"airmass":7.0,"alt":7.82,"az":34.5,"t":"2041-05-12T19:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":6.59,"alt":8.35,"az":35.3,"t":"2041-05-12T19:30:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.22,"alt":8.9,"az":36.0,"t":"2041-05-12T19:35:00Z","terrain":0.03},{"above_terrain":true,"airmass":5.89,"alt":9.45,"az":36.7,"t":"2041-05-12T19:40:00Z","terrain":-0.05},{"above_terrain":true,"airmass":5.58,"alt":10.01,"az":37.4,"t":"2041-05-12T19:45:00Z","terrain":-0.14},{"above_terrain":true,"airmass":5.3,"alt":10.59,"az":38.1,"t":"2041-05-12T19:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":5.04,"alt":11.17,"az":38.8,"t":"2041-05-12T19:55:00Z","terrain":-0.17},{"above_terrain":true,"airmass":4.8,"alt":11.76,"az":39.5,"t":"2041-05-12T20:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":4.58,"alt":12.36,"az":40.1,"t":"2041-05-12T20:05:00Z","terrain":-0.04},{"above_terrain":true,"airmass":4.38,"alt":12.97,"az":40.8,"t":"2041-05-12T20:10:00Z","terrain":0.01},{"above_terrain":true,"airmass":4.19,"alt":13.58,"az":41.5,"t":"2041-05-12T20:15:00Z","terrain":0.07},{"above_terrain":true,"airmass":4.01,"alt":14.21,"az":42.1,"t":"2041-05-12T20:20:00Z","terrain":0.14},{"above_terrain":true,"airmass":3.85,"alt":14.84,"az":42.8,"t":"2041-05-12T20:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.7,"alt":15.48,"az":43.5,"t":"2041-05-12T20:30:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.56,"alt":16.13,"az":44.1,"t":"2041-05-12T20:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.43,"alt":16.78,"az":44.7,"t":"2041-05-12T20:40:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.3,"alt":17.44,"az":45.4,"t":"2041-05-12T20:45:00Z","terrain":0.61},{"above_terrain":true,"airmass":3.19,"alt":18.11,"az":46.0,"t":"2041-05-12T20:50:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.08,"alt":18.79,"az":46.6,"t":"2041-05-12T20:55:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.98,"alt":19.47,"az":47.2,"t":"2041-05-12T21:00:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.88,"alt":20.16,"az":47.8,"t":"2041-05-12T21:05:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.79,"alt":20.86,"az":48.4,"t":"2041-05-12T21:10:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.7,"alt":21.56,"az":49.0,"t":"2041-05-12T21:15:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.62,"alt":22.27,"az":49.6,"t":"2041-05-12T21:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.55,"alt":22.99,"az":50.2,"t":"2041-05-12T21:25:00Z","terrain":0.42},{"above_terrain":true,"airmass":2.47,"alt":23.71,"az":50.8,"t":"2041-05-12T21:30:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.41,"alt":24.44,"az":51.3,"t":"2041-05-12T21:35:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.34,"alt":25.17,"az":51.9,"t":"2041-05-12T21:40:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.28,"alt":25.91,"az":52.5,"t":"2041-05-12T21:45:00Z","terrain":0.73},{"above_terrain":true,"airmass":2.22,"alt":26.66,"az":53.0,"t":"2041-05-12T21:50:00Z","terrain":0.84},{"above_terrain":true,"airmass":2.16,"alt":27.41,"az":53.6,"t":"2041-05-12T21:55:00Z","terrain":0.93},{"above_terrain":true,"airmass":2.11,"alt":28.16,"az":54.1,"t":"2041-05-12T22:00:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.06,"alt":28.92,"az":54.6,"t":"2041-05-12T22:05:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.01,"alt":29.69,"az":55.2,"t":"2041-05-12T22:10:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.97,"alt":30.46,"az":55.7,"t":"2041-05-12T22:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.92,"alt":31.24,"az":56.2,"t":"2041-05-12T22:20:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.88,"alt":32.02,"az":56.7,"t":"2041-05-12T22:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.84,"alt":32.8,"az":57.2,"t":"2041-05-12T22:30:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.8,"alt":33.59,"az":57.7,"t":"2041-05-12T22:35:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.77,"alt":34.38,"az":58.2,"t":"2041-05-12T22:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.73,"alt":35.18,"az":58.7,"t":"2041-05-12T22:45:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.7,"alt":35.98,"az":59.2,"t":"2041-05-12T22:50:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.67,"alt":36.79,"az":59.7,"t":"2041-05-12T22:55:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.64,"alt":37.6,"az":60.2,"t":"2041-05-12T23:00:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.61,"alt":38.41,"az":60.7,"t":"2041-05-12T23:05:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.58,"alt":39.23,"az":61.1,"t":"2041-05-12T23:10:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.55,"alt":40.05,"az":61.6,"t":"2041-05-12T23:15:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.53,"alt":40.88,"az":62.1,"t":"2041-05-12T23:20:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.5,"alt":41.71,"az":62.5,"t":"2041-05-12T23:25:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.48,"alt":42.54,"az":62.9,"t":"2041-05-12T23:30:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.45,"alt":43.37,"az":63.4,"t":"2041-05-12T23:35:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.43,"alt":44.21,"az":63.8,"t":"2041-05-12T23:40:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.41,"alt":45.05,"az":64.3,"t":"2041-05-12T23:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":45.9,"az":64.7,"t":"2041-05-12T23:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.75,"az":65.1,"t":"2041-05-12T23:55:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.35,"alt":47.6,"az":65.5,"t":"2041-05-13T00:00:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.33,"alt":48.45,"az":65.9,"t":"2041-05-13T00:05:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.32,"alt":49.31,"az":66.3,"t":"2041-05-13T00:10:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.3,"alt":50.16,"az":66.7,"t":"2041-05-13T00:15:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.29,"alt":51.02,"az":67.1,"t":"2041-05-13T00:20:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.27,"alt":51.89,"az":67.5,"t":"2041-05-13T00:25:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.26,"alt":52.75,"az":67.8,"t":"2041-05-13T00:30:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.24,"alt":53.62,"az":68.2,"t":"2041-05-13T00:35:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.49,"az":68.6,"t":"2041-05-13T00:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.21,"alt":55.36,"az":68.9,"t":"2041-05-13T00:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.2,"alt":56.24,"az":69.3,"t":"2041-05-13T00:50:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.19,"alt":57.11,"az":69.6,"t":"2041-05-13T00:55:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.18,"alt":57.99,"az":69.9,"t":"2041-05-13T01:00:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.17,"alt":58.87,"az":70.2,"t":"2041-05-13T01:05:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.75,"az":70.5,"t":"2041-05-13T01:10:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.64,"az":70.8,"t":"2041-05-13T01:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.52,"az":71.1,"t":"2041-05-13T01:20:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.13,"alt":62.41,"az":71.4,"t":"2041-05-13T01:25:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.3,"az":71.6,"t":"2041-05-13T01:30:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":64.18,"az":71.9,"t":"2041-05-13T01:35:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.08,"az":72.1,"t":"2041-05-13T01:40:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.09,"alt":65.97,"az":72.3,"t":"2041-05-13T01:45:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.09,"alt":66.86,"az":72.5,"t":"2041-05-13T01:50:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.08,"alt":67.75,"az":72.7,"t":"2041-05-13T01:55:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.07,"alt":68.65,"az":72.8,"t":"2041-05-13T02:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.07,"alt":69.54,"az":72.9,"t":"2041-05-13T02:05:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.06,"alt":70.43,"az":73.0,"t":"2041-05-13T02:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.06,"alt":71.33,"az":73.0,"t":"2041-05-13T02:15:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.05,"alt":72.22,"az":73.0,"t":"2041-05-13T02:20:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.04,"alt":73.12,"az":73.0,"t":"2041-05-13T02:25:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.04,"alt":74.01,"az":72.9,"t":"2041-05-13T02:30:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.04,"alt":74.91,"az":72.7,"t":"2041-05-13T02:35:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.03,"alt":75.8,"az":72.5,"t":"2041-05-13T02:40:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.03,"alt":76.69,"az":72.2,"t":"2041-05-13T02:45:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.02,"alt":77.58,"az":71.7,"t":"2041-05-13T02:50:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.02,"alt":78.47,"az":71.2,"t":"2041-05-13T02:55:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.02,"alt":79.35,"az":70.4,"t":"2041-05-13T03:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.01,"alt":80.23,"az":69.5,"t":"2041-05-13T03:05:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.01,"alt":81.11,"az":68.2,"t":"2041-05-13T03:10:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.01,"alt":81.97,"az":66.7,"t":"2041-05-13T03:15:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.01,"alt":82.82,"az":64.6,"t":"2041-05-13T03:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":83.66,"az":61.9,"t":"2041-05-13T03:25:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.0,"alt":84.47,"az":58.2,"t":"2041-05-13T03:30:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.0,"alt":85.25,"az":53.2,"t":"2041-05-13T03:35:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.0,"alt":85.96,"az":46.1,"t":"2041-05-13T03:40:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.0,"alt":86.58,"az":36.1,"t":"2041-05-13T03:45:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.0,"alt":87.04,"az":22.3,"t":"2041-05-13T03:50:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.0,"alt":87.26,"az":4.7,"t":"2041-05-13T03:55:00Z","terrain":-0.39},{"above_terrain":true,"airmass":1.0,"alt":87.19,"az":346.2,"t":"2041-05-13T04:00:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.0,"alt":86.84,"az":330.3,"t":"2041-05-13T04:05:00Z","terrain":-0.36},{"above_terrain":true,"airmass":1.0,"alt":86.29,"az":318.5,"t":"2041-05-13T04:10:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.0,"alt":85.62,"az":310.1,"t":"2041-05-13T04:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.0,"alt":84.87,"az":304.1,"t":"2041-05-13T04:20:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.01,"alt":84.07,"az":299.8,"t":"2041-05-13T04:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.01,"alt":83.25,"az":296.7,"t":"2041-05-13T04:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.01,"alt":82.4,"az":294.3,"t":"2041-05-13T04:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":81.55,"az":292.5,"t":"2041-05-13T04:40:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.01,"alt":80.68,"az":291.1,"t":"2041-05-13T04:45:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.02,"alt":79.8,"az":290.0,"t":"2041-05-13T04:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.02,"alt":78.92,"az":289.2,"t":"2041-05-13T04:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.02,"alt":78.03,"az":288.5,"t":"2041-05-13T05:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":77.14,"az":288.0,"t":"2041-05-13T05:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.25,"az":287.7,"t":"2041-05-13T05:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.03,"alt":75.36,"az":287.4,"t":"2041-05-13T05:15:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.04,"alt":74.47,"az":287.2,"t":"2041-05-13T05:20:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.04,"alt":73.57,"az":287.1,"t":"2041-05-13T05:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.05,"alt":72.68,"az":287.0,"t":"2041-05-13T05:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.05,"alt":71.78,"az":287.0,"t":"2041-05-13T05:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.06,"alt":70.89,"az":287.0,"t":"2041-05-13T05:40:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.06,"alt":69.99,"az":287.1,"t":"2041-05-13T05:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.07,"alt":69.1,"az":287.1,"t":"2041-05-13T05:50:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.08,"alt":68.2,"az":287.3,"t":"2041-05-13T05:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.08,"alt":67.31,"az":287.4,"t":"2041-05-13T06:00:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.09,"alt":66.42,"az":287.6,"t":"2041-05-13T06:05:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.1,"alt":65.52,"az":287.8,"t":"2041-05-13T06:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.11,"alt":64.63,"az":288.0,"t":"2041-05-13T06:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.11,"alt":63.74,"az":288.2,"t":"2041-05-13T06:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":62.86,"az":288.5,"t":"2041-05-13T06:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":61.97,"az":288.8,"t":"2041-05-13T06:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.08,"az":289.0,"t":"2041-05-13T06:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.2,"az":289.3,"t":"2041-05-13T06:40:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.16,"alt":59.32,"az":289.6,"t":"2041-05-13T06:45:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.17,"alt":58.44,"az":289.9,"t":"2041-05-13T06:50:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.18,"alt":57.56,"az":290.2,"t":"2041-05-13T06:55:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.2,"alt":56.68,"az":290.6,"t":"2041-05-13T07:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.21,"alt":55.8,"az":290.9,"t":"2041-05-13T07:05:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.22,"alt":54.93,"az":291.3,"t":"2041-05-13T07:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.23,"alt":54.06,"az":291.6,"t":"2041-05-13T07:15:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.25,"alt":53.19,"az":292.0,"t":"2041-05-13T07:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.26,"alt":52.32,"az":292.3,"t":"2041-05-13T07:25:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.28,"alt":51.46,"az":292.7,"t":"2041-05-13T07:30:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.29,"alt":50.6,"az":293.1,"t":"2041-05-13T07:35:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.31,"alt":49.74,"az":293.5,"t":"2041-05-13T07:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.33,"alt":48.88,"az":293.9,"t":"2041-05-13T07:45:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.34,"alt":48.03,"az":294.3,"t":"2041-05-13T07:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.36,"alt":47.17,"az":294.7,"t":"2041-05-13T07:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.38,"alt":46.33,"az":295.1,"t":"2041-05-13T08:00:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.4,"alt":45.48,"az":295.5,"t":"2041-05-13T08:05:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.42,"alt":44.64,"az":296.0,"t":"2041-05-13T08:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.44,"alt":43.8,"az":296.4,"t":"2041-05-13T08:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.47,"alt":42.96,"az":296.8,"t":"2041-05-13T08:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.49,"alt":42.13,"az":297.3,"t":"2041-05-13T08:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.51,"alt":41.3,"az":297.7,"t":"2041-05-13T08:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.54,"alt":40.47,"az":298.2,"t":"2041-05-13T08:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.56,"alt":39.65,"az":298.6,"t":"2041-05-13T08:40:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.59,"alt":38.83,"az":299.1,"t":"2041-05-13T08:45:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.62,"alt":38.01,"az":299.6,"t":"2041-05-13T08:50:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.65,"alt":37.2,"az":300.0,"t":"2041-05-13T08:55:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.68,"alt":36.39,"az":300.5,"t":"2041-05-13T09:00:00Z","terrain":0.34}],"transit":{"airmass":1.0,"alt":87.3,"az":4.7,"t":"2041-05-13T03:55:00Z"},"usable_hours":4.08,"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."]}