{"assessment":{"best_window":{"end":"2028-05-21T01:00Z","end_local":"04:00","hours":3.83,"label":"good","mean_quality":0.88,"start":"2028-05-20T21:10Z","start_local":"00:10"},"cost":{"altitude":2.15,"clouds":0.0,"darkness":1.52,"moon":0.02},"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":3,"cloud":null,"high":null,"iso":"2028-05-20T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-34,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":9,"cloud":null,"high":null,"iso":"2028-05-20T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-37,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":16,"cloud":null,"high":null,"iso":"2028-05-20T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-37,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":24,"cloud":null,"high":null,"iso":"2028-05-20T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-33,"precip":null,"q":0.56,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2028-05-20T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-27,"precip":null,"q":0.82,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2028-05-20T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.89,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":53,"cloud":null,"high":null,"iso":"2028-05-21T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-9,"precip":null,"q":0.95,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":64,"cloud":null,"high":null,"iso":"2028-05-21T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":1,"precip":null,"q":0.48,"rh":null,"sky":"astronomical twilight","temp":null,"time":"04:00","wind":null},{"alt":74,"cloud":null,"high":null,"iso":"2028-05-21T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":12,"precip":null,"q":0.14,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":4.12,"reasons":["the target being low or below 20\u00b0 cost 2.1 quality-hours","daylight and twilight cost 1.5 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":4.12,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2028-05-20T20:35Z","end_local":"23:35","hours":3.0,"label":"unusable","mean_quality":0.0,"start":"2028-05-20T17:35Z","start_local":"20:35"},{"end":"2028-05-20T21:10Z","end_local":"00:10","hours":0.58,"label":"marginal","mean_quality":0.5,"start":"2028-05-20T20:35Z","start_local":"23:35"},{"end":"2028-05-21T01:00Z","end_local":"04:00","hours":3.83,"label":"good","mean_quality":0.88,"start":"2028-05-20T21:10Z","start_local":"00:10"},{"end":"2028-05-21T01:45Z","end_local":"04:45","hours":0.75,"label":"marginal","mean_quality":0.48,"start":"2028-05-21T01:00Z","start_local":"04:00"},{"end":"2028-05-21T02:25Z","end_local":"05:25","hours":0.67,"label":"poor","mean_quality":0.14,"start":"2028-05-21T01:45Z","start_local":"04:45"},{"end":"2028-05-21T03:00Z","end_local":"06:00","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2028-05-21T02:25Z","start_local":"05:25"}]},"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":"2028-05-20T19:38:42Z","dark_hours":5.29,"dark_to":"2028-05-21T00:56:19Z","moon":{"illumination":0.122,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":5.23,"moonrise":"2028-05-21T00:53:25Z","moonset":"2028-05-20T13:48:06Z","sunrise":"2028-05-21T02:55:47Z","sunset":"2028-05-20T17:39:13Z","twilight":{"astronomical":{"end":"2028-05-20T19:38:42Z","start":"2028-05-21T00:56:19Z"},"civil":{"end":"2028-05-20T18:11:35Z","start":"2028-05-21T02:23:25Z"},"nautical":{"end":"2028-05-20T18:52:15Z","start":"2028-05-21T01:42:45Z"}},"window_end":"2028-05-21T09:00:00Z","window_start":"2028-05-20T09:00:00Z"},"night_date":"2028-05-20","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.12,"alt":62.8,"t":"2028-05-21T00:55:00Z"},"dec":44.25788576,"dec_of_date":44.3693,"dec_str":"+44\u00b0 15' 28.4\"","good_hours":3.33,"limit_rise":"2028-05-20T20:31:33Z","limit_set":"2028-05-20T10:19:53Z","max_az_rate_deg_per_min":3.77,"moon_separation":61.1,"never_rises":false,"ra":314.72388973,"ra_of_date":314.9782,"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":"3.3 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2028-05-20T13:35:59Z","blocked_dark_hours":0,"clears_at":"2028-05-20T17:38:24Z","rise_az":303.3},"track":[{"above_terrain":true,"airmass":1.89,"alt":31.83,"az":303.3,"t":"2028-05-20T09:00:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.93,"alt":31.05,"az":303.8,"t":"2028-05-20T09:05:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.98,"alt":30.27,"az":304.4,"t":"2028-05-20T09:10:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.02,"alt":29.5,"az":304.9,"t":"2028-05-20T09:15:00Z","terrain":-0.27},{"above_terrain":true,"airmass":2.07,"alt":28.74,"az":305.4,"t":"2028-05-20T09:20:00Z","terrain":-0.24},{"above_terrain":true,"airmass":2.12,"alt":27.98,"az":306.0,"t":"2028-05-20T09:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.18,"alt":27.22,"az":306.5,"t":"2028-05-20T09:30:00Z","terrain":0.01},{"above_terrain":true,"airmass":2.23,"alt":26.47,"az":307.1,"t":"2028-05-20T09:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.29,"alt":25.73,"az":307.6,"t":"2028-05-20T09:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.36,"alt":24.99,"az":308.2,"t":"2028-05-20T09:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.42,"alt":24.26,"az":308.7,"t":"2028-05-20T09:50:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.49,"alt":23.53,"az":309.3,"t":"2028-05-20T09:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.57,"alt":22.81,"az":309.9,"t":"2028-05-20T10:00:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.64,"alt":22.09,"az":310.5,"t":"2028-05-20T10:05:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.73,"alt":21.38,"az":311.1,"t":"2028-05-20T10:10:00Z","terrain":0.35},{"above_terrain":true,"airmass":2.81,"alt":20.68,"az":311.7,"t":"2028-05-20T10:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.91,"alt":19.99,"az":312.3,"t":"2028-05-20T10:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.0,"alt":19.3,"az":312.9,"t":"2028-05-20T10:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.11,"alt":18.61,"az":313.5,"t":"2028-05-20T10:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":3.22,"alt":17.94,"az":314.1,"t":"2028-05-20T10:35:00Z","terrain":0.48},{"above_terrain":true,"airmass":3.34,"alt":17.27,"az":314.7,"t":"2028-05-20T10:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.46,"alt":16.61,"az":315.4,"t":"2028-05-20T10:45:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.6,"alt":15.95,"az":316.0,"t":"2028-05-20T10:50:00Z","terrain":0.48},{"above_terrain":true,"airmass":3.74,"alt":15.31,"az":316.6,"t":"2028-05-20T10:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":3.89,"alt":14.67,"az":317.3,"t":"2028-05-20T11:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.06,"alt":14.04,"az":318.0,"t":"2028-05-20T11:05:00Z","terrain":0.33},{"above_terrain":true,"airmass":4.24,"alt":13.42,"az":318.6,"t":"2028-05-20T11:10:00Z","terrain":0.04},{"above_terrain":true,"airmass":4.43,"alt":12.8,"az":319.3,"t":"2028-05-20T11:15:00Z","terrain":-0.16},{"above_terrain":true,"airmass":4.64,"alt":12.19,"az":320.0,"t":"2028-05-20T11:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.86,"alt":11.6,"az":320.6,"t":"2028-05-20T11:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.11,"alt":11.01,"az":321.3,"t":"2028-05-20T11:30:00Z","terrain":-0.06},{"above_terrain":true,"airmass":5.37,"alt":10.43,"az":322.0,"t":"2028-05-20T11:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":5.66,"alt":9.86,"az":322.7,"t":"2028-05-20T11:40:00Z","terrain":0.12},{"above_terrain":true,"airmass":5.98,"alt":9.29,"az":323.4,"t":"2028-05-20T11:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":6.33,"alt":8.74,"az":324.1,"t":"2028-05-20T11:50:00Z","terrain":-0.21},{"above_terrain":true,"airmass":6.71,"alt":8.2,"az":324.9,"t":"2028-05-20T11:55:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.13,"alt":7.66,"az":325.6,"t":"2028-05-20T12:00:00Z","terrain":-0.22},{"above_terrain":true,"airmass":7.59,"alt":7.14,"az":326.3,"t":"2028-05-20T12:05:00Z","terrain":-0.29},{"above_terrain":true,"airmass":8.11,"alt":6.63,"az":327.1,"t":"2028-05-20T12:10:00Z","terrain":-0.38},{"above_terrain":true,"airmass":8.69,"alt":6.12,"az":327.8,"t":"2028-05-20T12:15:00Z","terrain":-0.26},{"above_terrain":true,"airmass":9.34,"alt":5.63,"az":328.6,"t":"2028-05-20T12:20:00Z","terrain":-0.17},{"above_terrain":true,"airmass":10.06,"alt":5.15,"az":329.3,"t":"2028-05-20T12:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":10.89,"alt":4.67,"az":330.1,"t":"2028-05-20T12:30:00Z","terrain":-0.35},{"above_terrain":true,"airmass":11.82,"alt":4.21,"az":330.9,"t":"2028-05-20T12:35:00Z","terrain":-0.38},{"above_terrain":true,"airmass":12.89,"alt":3.76,"az":331.6,"t":"2028-05-20T12:40:00Z","terrain":-0.23},{"above_terrain":true,"airmass":14.11,"alt":3.32,"az":332.4,"t":"2028-05-20T12:45:00Z","terrain":-0.13},{"above_terrain":true,"airmass":15.52,"alt":2.9,"az":333.2,"t":"2028-05-20T12:50:00Z","terrain":-0.14},{"above_terrain":true,"airmass":17.15,"alt":2.48,"az":334.0,"t":"2028-05-20T12:55:00Z","terrain":-0.23},{"above_terrain":true,"airmass":19.04,"alt":2.07,"az":334.8,"t":"2028-05-20T13:00:00Z","terrain":-0.52},{"above_terrain":true,"airmass":21.26,"alt":1.68,"az":335.6,"t":"2028-05-20T13:05:00Z","terrain":-0.74},{"above_terrain":true,"airmass":23.86,"alt":1.3,"az":336.4,"t":"2028-05-20T13:10:00Z","terrain":-0.79},{"above_terrain":true,"airmass":26.91,"alt":0.93,"az":337.2,"t":"2028-05-20T13:15:00Z","terrain":-0.67},{"above_terrain":true,"airmass":30.48,"alt":0.58,"az":338.1,"t":"2028-05-20T13:20:00Z","terrain":-0.49},{"above_terrain":true,"airmass":34.64,"alt":0.23,"az":338.9,"t":"2028-05-20T13:25:00Z","terrain":-0.72},{"above_terrain":true,"airmass":null,"alt":-0.1,"az":339.7,"t":"2028-05-20T13:30:00Z","terrain":-0.59},{"above_terrain":true,"airmass":null,"alt":-0.42,"az":340.6,"t":"2028-05-20T13:35:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-0.72,"az":341.4,"t":"2028-05-20T13:40:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-1.01,"az":342.2,"t":"2028-05-20T13:45:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-1.29,"az":343.1,"t":"2028-05-20T13:50:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-1.56,"az":344.0,"t":"2028-05-20T13:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.81,"az":344.8,"t":"2028-05-20T14:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-2.05,"az":345.7,"t":"2028-05-20T14:05:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-2.27,"az":346.5,"t":"2028-05-20T14:10:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-2.48,"az":347.4,"t":"2028-05-20T14:15:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-2.68,"az":348.3,"t":"2028-05-20T14:20:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-2.86,"az":349.2,"t":"2028-05-20T14:25:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-3.03,"az":350.0,"t":"2028-05-20T14:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.19,"az":350.9,"t":"2028-05-20T14:35:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.33,"az":351.8,"t":"2028-05-20T14:40:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-3.45,"az":352.7,"t":"2028-05-20T14:45:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-3.56,"az":353.6,"t":"2028-05-20T14:50:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":354.5,"t":"2028-05-20T14:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.74,"az":355.4,"t":"2028-05-20T15:00:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":356.3,"t":"2028-05-20T15:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":357.2,"t":"2028-05-20T15:10:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-3.9,"az":358.1,"t":"2028-05-20T15:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.93,"az":359.0,"t":"2028-05-20T15:20:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.94,"az":359.9,"t":"2028-05-20T15:25:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-3.93,"az":0.8,"t":"2028-05-20T15:30:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-3.91,"az":1.7,"t":"2028-05-20T15:35:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":2.6,"t":"2028-05-20T15:40:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-3.83,"az":3.5,"t":"2028-05-20T15:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":4.4,"t":"2028-05-20T15:50:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-3.69,"az":5.2,"t":"2028-05-20T15:55:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-3.59,"az":6.1,"t":"2028-05-20T16:00:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-3.49,"az":7.0,"t":"2028-05-20T16:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.36,"az":7.9,"t":"2028-05-20T16:10:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.23,"az":8.8,"t":"2028-05-20T16:15:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-3.08,"az":9.7,"t":"2028-05-20T16:20:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-2.91,"az":10.6,"t":"2028-05-20T16:25:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-2.73,"az":11.5,"t":"2028-05-20T16:30:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-2.54,"az":12.3,"t":"2028-05-20T16:35:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-2.33,"az":13.2,"t":"2028-05-20T16:40:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-2.11,"az":14.1,"t":"2028-05-20T16:45:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-1.88,"az":14.9,"t":"2028-05-20T16:50:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-1.63,"az":15.8,"t":"2028-05-20T16:55:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-1.37,"az":16.7,"t":"2028-05-20T17:00:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.09,"az":17.5,"t":"2028-05-20T17:05:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-0.81,"az":18.4,"t":"2028-05-20T17:10:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-0.51,"az":19.2,"t":"2028-05-20T17:15:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-0.19,"az":20.0,"t":"2028-05-20T17:20:00Z","terrain":0.67},{"above_terrain":false,"airmass":35.96,"alt":0.14,"az":20.9,"t":"2028-05-20T17:25:00Z","terrain":0.69},{"above_terrain":false,"airmass":31.63,"alt":0.48,"az":21.7,"t":"2028-05-20T17:30:00Z","terrain":0.9},{"above_terrain":false,"airmass":27.89,"alt":0.83,"az":22.5,"t":"2028-05-20T17:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":24.69,"alt":1.19,"az":23.3,"t":"2028-05-20T17:40:00Z","terrain":1.08},{"above_terrain":true,"airmass":21.97,"alt":1.57,"az":24.2,"t":"2028-05-20T17:45:00Z","terrain":0.97},{"above_terrain":true,"airmass":19.65,"alt":1.96,"az":25.0,"t":"2028-05-20T17:50:00Z","terrain":1.21},{"above_terrain":true,"airmass":17.67,"alt":2.36,"az":25.8,"t":"2028-05-20T17:55:00Z","terrain":1.31},{"above_terrain":true,"airmass":15.96,"alt":2.77,"az":26.6,"t":"2028-05-20T18:00:00Z","terrain":1.31},{"above_terrain":true,"airmass":14.5,"alt":3.2,"az":27.4,"t":"2028-05-20T18:05:00Z","terrain":1.25},{"above_terrain":true,"airmass":13.22,"alt":3.63,"az":28.1,"t":"2028-05-20T18:10:00Z","terrain":1.16},{"above_terrain":true,"airmass":12.12,"alt":4.08,"az":28.9,"t":"2028-05-20T18:15:00Z","terrain":1.02},{"above_terrain":true,"airmass":11.15,"alt":4.54,"az":29.7,"t":"2028-05-20T18:20:00Z","terrain":1.1},{"above_terrain":true,"airmass":10.29,"alt":5.01,"az":30.5,"t":"2028-05-20T18:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":9.54,"alt":5.49,"az":31.2,"t":"2028-05-20T18:30:00Z","terrain":1.31},{"above_terrain":true,"airmass":8.87,"alt":5.98,"az":32.0,"t":"2028-05-20T18:35:00Z","terrain":1.33},{"above_terrain":true,"airmass":8.27,"alt":6.48,"az":32.7,"t":"2028-05-20T18:40:00Z","terrain":1.09},{"above_terrain":true,"airmass":7.74,"alt":6.99,"az":33.5,"t":"2028-05-20T18:45:00Z","terrain":0.73},{"above_terrain":true,"airmass":7.26,"alt":7.51,"az":34.2,"t":"2028-05-20T18:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":6.82,"alt":8.04,"az":34.9,"t":"2028-05-20T18:55:00Z","terrain":0.08},{"above_terrain":true,"airmass":6.43,"alt":8.58,"az":35.6,"t":"2028-05-20T19:00:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.08,"alt":9.13,"az":36.4,"t":"2028-05-20T19:05:00Z","terrain":-0.01},{"above_terrain":true,"airmass":5.75,"alt":9.69,"az":37.1,"t":"2028-05-20T19:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":5.45,"alt":10.26,"az":37.8,"t":"2028-05-20T19:15:00Z","terrain":-0.18},{"above_terrain":true,"airmass":5.18,"alt":10.84,"az":38.5,"t":"2028-05-20T19:20:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.93,"alt":11.42,"az":39.2,"t":"2028-05-20T19:25:00Z","terrain":-0.14},{"above_terrain":true,"airmass":4.7,"alt":12.02,"az":39.8,"t":"2028-05-20T19:30:00Z","terrain":-0.07},{"above_terrain":true,"airmass":4.49,"alt":12.62,"az":40.5,"t":"2028-05-20T19:35:00Z","terrain":-0.01},{"above_terrain":true,"airmass":4.29,"alt":13.24,"az":41.2,"t":"2028-05-20T19:40:00Z","terrain":0.04},{"above_terrain":true,"airmass":4.11,"alt":13.86,"az":41.9,"t":"2028-05-20T19:45:00Z","terrain":0.11},{"above_terrain":true,"airmass":3.94,"alt":14.49,"az":42.5,"t":"2028-05-20T19:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":3.78,"alt":15.12,"az":43.2,"t":"2028-05-20T19:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":3.64,"alt":15.77,"az":43.8,"t":"2028-05-20T20:00:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.5,"alt":16.42,"az":44.5,"t":"2028-05-20T20:05:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.37,"alt":17.08,"az":45.1,"t":"2028-05-20T20:10:00Z","terrain":0.59},{"above_terrain":true,"airmass":3.25,"alt":17.74,"az":45.7,"t":"2028-05-20T20:15:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.14,"alt":18.42,"az":46.3,"t":"2028-05-20T20:20:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.03,"alt":19.1,"az":47.0,"t":"2028-05-20T20:25:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.93,"alt":19.78,"az":47.6,"t":"2028-05-20T20:30:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.84,"alt":20.48,"az":48.2,"t":"2028-05-20T20:35:00Z","terrain":0.51},{"above_terrain":true,"airmass":2.75,"alt":21.18,"az":48.8,"t":"2028-05-20T20:40:00Z","terrain":0.44},{"above_terrain":true,"airmass":2.67,"alt":21.89,"az":49.4,"t":"2028-05-20T20:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.59,"alt":22.6,"az":49.9,"t":"2028-05-20T20:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.51,"alt":23.32,"az":50.5,"t":"2028-05-20T20:55:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.44,"alt":24.04,"az":51.1,"t":"2028-05-20T21:00:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.38,"alt":24.78,"az":51.7,"t":"2028-05-20T21:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.31,"alt":25.51,"az":52.2,"t":"2028-05-20T21:10:00Z","terrain":0.68},{"above_terrain":true,"airmass":2.25,"alt":26.26,"az":52.8,"t":"2028-05-20T21:15:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.19,"alt":27.0,"az":53.3,"t":"2028-05-20T21:20:00Z","terrain":0.89},{"above_terrain":true,"airmass":2.14,"alt":27.76,"az":53.9,"t":"2028-05-20T21:25:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.09,"alt":28.52,"az":54.4,"t":"2028-05-20T21:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.04,"alt":29.28,"az":55.0,"t":"2028-05-20T21:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.99,"alt":30.05,"az":55.5,"t":"2028-05-20T21:40:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.95,"alt":30.82,"az":56.0,"t":"2028-05-20T21:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.9,"alt":31.6,"az":56.5,"t":"2028-05-20T21:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.86,"alt":32.38,"az":57.0,"t":"2028-05-20T21:55:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.82,"alt":33.17,"az":57.6,"t":"2028-05-20T22:00:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.79,"alt":33.96,"az":58.1,"t":"2028-05-20T22:05:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.75,"alt":34.76,"az":58.6,"t":"2028-05-20T22:10:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.72,"alt":35.56,"az":59.0,"t":"2028-05-20T22:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.68,"alt":36.36,"az":59.5,"t":"2028-05-20T22:20:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.65,"alt":37.17,"az":60.0,"t":"2028-05-20T22:25:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.62,"alt":37.99,"az":60.5,"t":"2028-05-20T22:30:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.59,"alt":38.8,"az":61.0,"t":"2028-05-20T22:35:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.57,"alt":39.62,"az":61.4,"t":"2028-05-20T22:40:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.54,"alt":40.45,"az":61.9,"t":"2028-05-20T22:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.51,"alt":41.27,"az":62.3,"t":"2028-05-20T22:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.49,"alt":42.1,"az":62.8,"t":"2028-05-20T22:55:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.47,"alt":42.94,"az":63.2,"t":"2028-05-20T23:00:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.44,"alt":43.78,"az":63.7,"t":"2028-05-20T23:05:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.42,"alt":44.62,"az":64.1,"t":"2028-05-20T23:10:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.4,"alt":45.46,"az":64.5,"t":"2028-05-20T23:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.38,"alt":46.31,"az":65.0,"t":"2028-05-20T23:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.36,"alt":47.15,"az":65.4,"t":"2028-05-20T23:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.34,"alt":48.01,"az":65.8,"t":"2028-05-20T23:30:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.33,"alt":48.86,"az":66.2,"t":"2028-05-20T23:35:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.31,"alt":49.72,"az":66.6,"t":"2028-05-20T23:40:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.29,"alt":50.58,"az":67.0,"t":"2028-05-20T23:45:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.28,"alt":51.44,"az":67.4,"t":"2028-05-20T23:50:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.26,"alt":52.31,"az":67.7,"t":"2028-05-20T23:55:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.25,"alt":53.17,"az":68.1,"t":"2028-05-21T00:00:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.04,"az":68.5,"t":"2028-05-21T00:05:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.22,"alt":54.92,"az":68.8,"t":"2028-05-21T00:10:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.21,"alt":55.79,"az":69.2,"t":"2028-05-21T00:15:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.2,"alt":56.67,"az":69.5,"t":"2028-05-21T00:20:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.18,"alt":57.54,"az":69.9,"t":"2028-05-21T00:25:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.17,"alt":58.42,"az":70.2,"t":"2028-05-21T00:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.3,"az":70.5,"t":"2028-05-21T00:35:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.19,"az":70.8,"t":"2028-05-21T00:40:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.07,"az":71.1,"t":"2028-05-21T00:45:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.13,"alt":61.96,"az":71.4,"t":"2028-05-21T00:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":62.85,"az":71.6,"t":"2028-05-21T00:55:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":63.73,"az":71.9,"t":"2028-05-21T01:00:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.11,"alt":64.62,"az":72.1,"t":"2028-05-21T01:05:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.1,"alt":65.52,"az":72.3,"t":"2028-05-21T01:10:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.09,"alt":66.41,"az":72.5,"t":"2028-05-21T01:15:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.08,"alt":67.3,"az":72.7,"t":"2028-05-21T01:20:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.08,"alt":68.2,"az":72.9,"t":"2028-05-21T01:25:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.07,"alt":69.09,"az":73.0,"t":"2028-05-21T01:30:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.06,"alt":69.99,"az":73.1,"t":"2028-05-21T01:35:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.06,"alt":70.88,"az":73.2,"t":"2028-05-21T01:40:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.05,"alt":71.78,"az":73.2,"t":"2028-05-21T01:45:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.05,"alt":72.67,"az":73.2,"t":"2028-05-21T01:50:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.04,"alt":73.57,"az":73.1,"t":"2028-05-21T01:55:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.04,"alt":74.46,"az":73.0,"t":"2028-05-21T02:00:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.03,"alt":75.36,"az":72.8,"t":"2028-05-21T02:05:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.03,"alt":76.25,"az":72.6,"t":"2028-05-21T02:10:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.03,"alt":77.14,"az":72.2,"t":"2028-05-21T02:15:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.02,"alt":78.03,"az":71.7,"t":"2028-05-21T02:20:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.02,"alt":78.92,"az":71.1,"t":"2028-05-21T02:25:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.02,"alt":79.8,"az":70.3,"t":"2028-05-21T02:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.01,"alt":80.68,"az":69.2,"t":"2028-05-21T02:35:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.01,"alt":81.55,"az":67.8,"t":"2028-05-21T02:40:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.01,"alt":82.42,"az":66.1,"t":"2028-05-21T02:45:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.01,"alt":83.26,"az":63.8,"t":"2028-05-21T02:50:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.01,"alt":84.09,"az":60.6,"t":"2028-05-21T02:55:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.0,"alt":84.89,"az":56.4,"t":"2028-05-21T03:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.0,"alt":85.64,"az":50.5,"t":"2028-05-21T03:05:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.0,"alt":86.32,"az":42.1,"t":"2028-05-21T03:10:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.0,"alt":86.88,"az":30.2,"t":"2028-05-21T03:15:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.0,"alt":87.24,"az":14.1,"t":"2028-05-21T03:20:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.0,"alt":87.31,"az":355.3,"t":"2028-05-21T03:25:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.0,"alt":87.09,"az":337.4,"t":"2028-05-21T03:30:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.0,"alt":86.62,"az":323.4,"t":"2028-05-21T03:35:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.0,"alt":86.0,"az":313.3,"t":"2028-05-21T03:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.0,"alt":85.28,"az":306.3,"t":"2028-05-21T03:45:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.0,"alt":84.5,"az":301.3,"t":"2028-05-21T03:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":83.68,"az":297.7,"t":"2028-05-21T03:55:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.01,"alt":82.85,"az":295.0,"t":"2028-05-21T04:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.01,"alt":81.99,"az":293.0,"t":"2028-05-21T04:05:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.01,"alt":81.12,"az":291.4,"t":"2028-05-21T04:10:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.01,"alt":80.25,"az":290.2,"t":"2028-05-21T04:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.02,"alt":79.37,"az":289.3,"t":"2028-05-21T04:20:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.02,"alt":78.48,"az":288.6,"t":"2028-05-21T04:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":77.59,"az":288.0,"t":"2028-05-21T04:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.7,"az":287.6,"t":"2028-05-21T04:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.03,"alt":75.81,"az":287.3,"t":"2028-05-21T04:40:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.04,"alt":74.92,"az":287.1,"t":"2028-05-21T04:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.04,"alt":74.02,"az":286.9,"t":"2028-05-21T04:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.04,"alt":73.12,"az":286.8,"t":"2028-05-21T04:55:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.05,"alt":72.23,"az":286.8,"t":"2028-05-21T05:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":71.33,"az":286.8,"t":"2028-05-21T05:05:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":70.44,"az":286.9,"t":"2028-05-21T05:10:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.07,"alt":69.54,"az":287.0,"t":"2028-05-21T05:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.07,"alt":68.65,"az":287.1,"t":"2028-05-21T05:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.08,"alt":67.75,"az":287.2,"t":"2028-05-21T05:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.09,"alt":66.86,"az":287.4,"t":"2028-05-21T05:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.09,"alt":65.97,"az":287.6,"t":"2028-05-21T05:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.1,"alt":65.07,"az":287.8,"t":"2028-05-21T05:40:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.11,"alt":64.18,"az":288.0,"t":"2028-05-21T05:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.29,"az":288.3,"t":"2028-05-21T05:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":62.41,"az":288.5,"t":"2028-05-21T05:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.52,"az":288.8,"t":"2028-05-21T06:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.63,"az":289.1,"t":"2028-05-21T06:05:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.16,"alt":59.75,"az":289.4,"t":"2028-05-21T06:10:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.17,"alt":58.87,"az":289.7,"t":"2028-05-21T06:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.18,"alt":57.99,"az":290.0,"t":"2028-05-21T06:20:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.19,"alt":57.11,"az":290.3,"t":"2028-05-21T06:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.2,"alt":56.23,"az":290.6,"t":"2028-05-21T06:30:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.21,"alt":55.36,"az":291.0,"t":"2028-05-21T06:35:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.23,"alt":54.48,"az":291.3,"t":"2028-05-21T06:40:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.24,"alt":53.61,"az":291.7,"t":"2028-05-21T06:45:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.26,"alt":52.74,"az":292.1,"t":"2028-05-21T06:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.27,"alt":51.88,"az":292.4,"t":"2028-05-21T06:55:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.29,"alt":51.01,"az":292.8,"t":"2028-05-21T07:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.3,"alt":50.15,"az":293.2,"t":"2028-05-21T07:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.29,"az":293.6,"t":"2028-05-21T07:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.34,"alt":48.44,"az":294.0,"t":"2028-05-21T07:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.58,"az":294.4,"t":"2028-05-21T07:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":46.73,"az":294.8,"t":"2028-05-21T07:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":45.89,"az":295.3,"t":"2028-05-21T07:30:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.41,"alt":45.04,"az":295.7,"t":"2028-05-21T07:35:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.43,"alt":44.2,"az":296.1,"t":"2028-05-21T07:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.45,"alt":43.36,"az":296.5,"t":"2028-05-21T07:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.48,"alt":42.52,"az":297.0,"t":"2028-05-21T07:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.5,"alt":41.69,"az":297.4,"t":"2028-05-21T07:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.53,"alt":40.86,"az":297.9,"t":"2028-05-21T08:00:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.55,"alt":40.04,"az":298.3,"t":"2028-05-21T08:05:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.58,"alt":39.21,"az":298.8,"t":"2028-05-21T08:10:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.61,"alt":38.4,"az":299.3,"t":"2028-05-21T08:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.64,"alt":37.58,"az":299.7,"t":"2028-05-21T08:20:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.67,"alt":36.77,"az":300.2,"t":"2028-05-21T08:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.7,"alt":35.96,"az":300.7,"t":"2028-05-21T08:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.73,"alt":35.16,"az":301.2,"t":"2028-05-21T08:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.77,"alt":34.36,"az":301.7,"t":"2028-05-21T08:40:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.8,"alt":33.57,"az":302.2,"t":"2028-05-21T08:45:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.84,"alt":32.78,"az":302.7,"t":"2028-05-21T08:50:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.88,"alt":31.99,"az":303.2,"t":"2028-05-21T08:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.92,"alt":31.21,"az":303.7,"t":"2028-05-21T09:00:00Z","terrain":-0.14}],"transit":{"airmass":1.0,"alt":87.3,"az":355.3,"t":"2028-05-21T03:25:00Z"},"usable_hours":4.42,"verdict":"good","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."]}