{"assessment":{"best_window":{"end":"2028-05-18T01:05Z","end_local":"04:05","hours":3.75,"label":"good","mean_quality":0.83,"start":"2028-05-17T21:20Z","start_local":"00:20"},"cost":{"altitude":2.41,"clouds":0.0,"darkness":1.44,"moon":0.23},"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":2,"cloud":null,"high":null,"iso":"2028-05-17T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-52,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2028-05-17T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-47,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2028-05-17T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-39,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2028-05-17T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-30,"precip":null,"q":0.49,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":31,"cloud":null,"high":null,"iso":"2028-05-17T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-20,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":41,"cloud":null,"high":null,"iso":"2028-05-17T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-9,"precip":null,"q":0.87,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":51,"cloud":null,"high":null,"iso":"2028-05-18T00:00Z","label":"good","low":null,"mid":null,"moon_alt":2,"precip":null,"q":0.83,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":62,"cloud":null,"high":null,"iso":"2028-05-18T01:00Z","label":"good","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.86,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":72,"cloud":null,"high":null,"iso":"2028-05-18T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.13,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null}],"peak_quality":0.92,"peak_sky":0.92,"quality_hours":3.81,"reasons":["the target being low or below 20\u00b0 cost 2.4 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":88,"score_weather":null,"sky_hours":3.81,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2028-05-17T20:45Z","end_local":"23:45","hours":3.17,"label":"unusable","mean_quality":0.0,"start":"2028-05-17T17:35Z","start_local":"20:35"},{"end":"2028-05-17T21:20Z","end_local":"00:20","hours":0.58,"label":"marginal","mean_quality":0.49,"start":"2028-05-17T20:45Z","start_local":"23:45"},{"end":"2028-05-18T01:05Z","end_local":"04:05","hours":3.75,"label":"good","mean_quality":0.83,"start":"2028-05-17T21:20Z","start_local":"00:20"},{"end":"2028-05-18T01:50Z","end_local":"04:50","hours":0.75,"label":"marginal","mean_quality":0.43,"start":"2028-05-18T01:05Z","start_local":"04:05"},{"end":"2028-05-18T02:30Z","end_local":"05:30","hours":0.67,"label":"poor","mean_quality":0.13,"start":"2028-05-18T01:50Z","start_local":"04:50"},{"end":"2028-05-18T03:00Z","end_local":"06:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-05-18T02:30Z","start_local":"05:30"}]},"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":"2028-05-17T19:33:58Z","dark_hours":5.45,"dark_to":"2028-05-18T01:00:41Z","moon":{"illumination":0.362,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":4.22,"moonrise":"2028-05-17T23:47:43Z","moonset":"2028-05-17T10:46:36Z","sunrise":"2028-05-18T02:58:19Z","sunset":"2028-05-17T17:36:19Z","twilight":{"astronomical":{"end":"2028-05-17T19:33:58Z","start":"2028-05-18T01:00:41Z"},"civil":{"end":"2028-05-17T18:08:23Z","start":"2028-05-18T02:26:16Z"},"nautical":{"end":"2028-05-17T18:48:30Z","start":"2028-05-18T01:46:09Z"}},"window_end":"2028-05-18T09:00:00Z","window_start":"2028-05-17T09:00:00Z"},"night_date":"2028-05-17","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.14,"alt":61.6,"t":"2028-05-18T01:00:00Z"},"dec":44.25788576,"dec_of_date":44.3693,"dec_str":"+44\u00b0 15' 28.4\"","good_hours":3.17,"limit_rise":"2028-05-17T20:43:20Z","limit_set":"2028-05-17T10:31:41Z","max_az_rate_deg_per_min":3.74,"moon_separation":53.7,"never_rises":false,"ra":314.72388973,"ra_of_date":314.9781,"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":"3.2 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2028-05-17T13:47:44Z","blocked_dark_hours":0,"clears_at":"2028-05-17T17:50:45Z","rise_az":302.1},"track":[{"above_terrain":true,"airmass":1.8,"alt":33.68,"az":302.1,"t":"2028-05-17T09:00:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.84,"alt":32.89,"az":302.6,"t":"2028-05-17T09:05:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.88,"alt":32.11,"az":303.1,"t":"2028-05-17T09:10:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.92,"alt":31.33,"az":303.7,"t":"2028-05-17T09:15:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.96,"alt":30.55,"az":304.2,"t":"2028-05-17T09:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.01,"alt":29.78,"az":304.7,"t":"2028-05-17T09:25:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.06,"alt":29.01,"az":305.2,"t":"2028-05-17T09:30:00Z","terrain":-0.26},{"above_terrain":true,"airmass":2.11,"alt":28.25,"az":305.8,"t":"2028-05-17T09:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":2.16,"alt":27.49,"az":306.3,"t":"2028-05-17T09:40:00Z","terrain":-0.06},{"above_terrain":true,"airmass":2.21,"alt":26.74,"az":306.9,"t":"2028-05-17T09:45:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.27,"alt":25.99,"az":307.4,"t":"2028-05-17T09:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.33,"alt":25.25,"az":308.0,"t":"2028-05-17T09:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.4,"alt":24.52,"az":308.5,"t":"2028-05-17T10:00:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.47,"alt":23.79,"az":309.1,"t":"2028-05-17T10:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.54,"alt":23.07,"az":309.7,"t":"2028-05-17T10:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.62,"alt":22.35,"az":310.3,"t":"2028-05-17T10:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":2.7,"alt":21.64,"az":310.9,"t":"2028-05-17T10:20:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.78,"alt":20.93,"az":311.4,"t":"2028-05-17T10:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":2.87,"alt":20.23,"az":312.0,"t":"2028-05-17T10:30:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.97,"alt":19.54,"az":312.7,"t":"2028-05-17T10:35:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.07,"alt":18.86,"az":313.3,"t":"2028-05-17T10:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.18,"alt":18.18,"az":313.9,"t":"2028-05-17T10:45:00Z","terrain":0.45},{"above_terrain":true,"airmass":3.29,"alt":17.51,"az":314.5,"t":"2028-05-17T10:50:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.42,"alt":16.84,"az":315.1,"t":"2028-05-17T10:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.55,"alt":16.19,"az":315.8,"t":"2028-05-17T11:00:00Z","terrain":0.5},{"above_terrain":true,"airmass":3.69,"alt":15.54,"az":316.4,"t":"2028-05-17T11:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.84,"alt":14.9,"az":317.1,"t":"2028-05-17T11:10:00Z","terrain":0.3},{"above_terrain":true,"airmass":4.0,"alt":14.26,"az":317.7,"t":"2028-05-17T11:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.17,"alt":13.64,"az":318.4,"t":"2028-05-17T11:20:00Z","terrain":0.15},{"above_terrain":true,"airmass":4.36,"alt":13.02,"az":319.0,"t":"2028-05-17T11:25:00Z","terrain":-0.14},{"above_terrain":true,"airmass":4.56,"alt":12.41,"az":319.7,"t":"2028-05-17T11:30:00Z","terrain":-0.18},{"above_terrain":true,"airmass":4.78,"alt":11.81,"az":320.4,"t":"2028-05-17T11:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.02,"alt":11.22,"az":321.1,"t":"2028-05-17T11:40:00Z","terrain":-0.17},{"above_terrain":true,"airmass":5.27,"alt":10.63,"az":321.8,"t":"2028-05-17T11:45:00Z","terrain":0.12},{"above_terrain":true,"airmass":5.56,"alt":10.06,"az":322.5,"t":"2028-05-17T11:50:00Z","terrain":0.15},{"above_terrain":true,"airmass":5.86,"alt":9.49,"az":323.2,"t":"2028-05-17T11:55:00Z","terrain":0.03},{"above_terrain":true,"airmass":6.2,"alt":8.94,"az":323.9,"t":"2028-05-17T12:00:00Z","terrain":-0.18},{"above_terrain":true,"airmass":6.57,"alt":8.39,"az":324.6,"t":"2028-05-17T12:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.97,"alt":7.85,"az":325.3,"t":"2028-05-17T12:10:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.42,"alt":7.33,"az":326.1,"t":"2028-05-17T12:15:00Z","terrain":-0.25},{"above_terrain":true,"airmass":7.92,"alt":6.81,"az":326.8,"t":"2028-05-17T12:20:00Z","terrain":-0.36},{"above_terrain":true,"airmass":8.47,"alt":6.3,"az":327.5,"t":"2028-05-17T12:25:00Z","terrain":-0.3},{"above_terrain":true,"airmass":9.1,"alt":5.8,"az":328.3,"t":"2028-05-17T12:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":9.79,"alt":5.32,"az":329.0,"t":"2028-05-17T12:35:00Z","terrain":-0.14},{"above_terrain":true,"airmass":10.58,"alt":4.84,"az":329.8,"t":"2028-05-17T12:40:00Z","terrain":-0.31},{"above_terrain":true,"airmass":11.47,"alt":4.38,"az":330.6,"t":"2028-05-17T12:45:00Z","terrain":-0.37},{"above_terrain":true,"airmass":12.49,"alt":3.92,"az":331.4,"t":"2028-05-17T12:50:00Z","terrain":-0.3},{"above_terrain":true,"airmass":13.65,"alt":3.48,"az":332.1,"t":"2028-05-17T12:55:00Z","terrain":-0.14},{"above_terrain":true,"airmass":14.99,"alt":3.05,"az":332.9,"t":"2028-05-17T13:00:00Z","terrain":-0.12},{"above_terrain":true,"airmass":16.53,"alt":2.63,"az":333.7,"t":"2028-05-17T13:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":18.33,"alt":2.22,"az":334.5,"t":"2028-05-17T13:10:00Z","terrain":-0.41},{"above_terrain":true,"airmass":20.42,"alt":1.82,"az":335.3,"t":"2028-05-17T13:15:00Z","terrain":-0.67},{"above_terrain":true,"airmass":22.88,"alt":1.44,"az":336.1,"t":"2028-05-17T13:20:00Z","terrain":-0.82},{"above_terrain":true,"airmass":25.76,"alt":1.06,"az":336.9,"t":"2028-05-17T13:25:00Z","terrain":-0.74},{"above_terrain":true,"airmass":29.13,"alt":0.7,"az":337.8,"t":"2028-05-17T13:30:00Z","terrain":-0.53},{"above_terrain":true,"airmass":33.07,"alt":0.36,"az":338.6,"t":"2028-05-17T13:35:00Z","terrain":-0.63},{"above_terrain":true,"airmass":37.62,"alt":0.02,"az":339.4,"t":"2028-05-17T13:40:00Z","terrain":-0.66},{"above_terrain":true,"airmass":null,"alt":-0.3,"az":340.3,"t":"2028-05-17T13:45:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-0.61,"az":341.1,"t":"2028-05-17T13:50:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-0.91,"az":341.9,"t":"2028-05-17T13:55:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-1.19,"az":342.8,"t":"2028-05-17T14:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.46,"az":343.6,"t":"2028-05-17T14:05:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.72,"az":344.5,"t":"2028-05-17T14:10:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.96,"az":345.4,"t":"2028-05-17T14:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-2.19,"az":346.2,"t":"2028-05-17T14:20:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-2.41,"az":347.1,"t":"2028-05-17T14:25:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-2.61,"az":348.0,"t":"2028-05-17T14:30:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-2.8,"az":348.9,"t":"2028-05-17T14:35:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-2.97,"az":349.7,"t":"2028-05-17T14:40:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-3.13,"az":350.6,"t":"2028-05-17T14:45:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.28,"az":351.5,"t":"2028-05-17T14:50:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-3.41,"az":352.4,"t":"2028-05-17T14:55:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-3.53,"az":353.3,"t":"2028-05-17T15:00:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-3.63,"az":354.2,"t":"2028-05-17T15:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":355.1,"t":"2028-05-17T15:10:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-3.79,"az":356.0,"t":"2028-05-17T15:15:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":356.9,"t":"2028-05-17T15:20:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":357.8,"t":"2028-05-17T15:25:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-3.92,"az":358.6,"t":"2028-05-17T15:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.94,"az":359.5,"t":"2028-05-17T15:35:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.94,"az":0.4,"t":"2028-05-17T15:40:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-3.92,"az":1.3,"t":"2028-05-17T15:45:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":2.2,"t":"2028-05-17T15:50:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":3.1,"t":"2028-05-17T15:55:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-3.79,"az":4.0,"t":"2028-05-17T16:00:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":4.9,"t":"2028-05-17T16:05:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-3.63,"az":5.8,"t":"2028-05-17T16:10:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-3.53,"az":6.7,"t":"2028-05-17T16:15:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-3.41,"az":7.6,"t":"2028-05-17T16:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.28,"az":8.5,"t":"2028-05-17T16:25:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-3.13,"az":9.4,"t":"2028-05-17T16:30:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-2.97,"az":10.3,"t":"2028-05-17T16:35:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-2.8,"az":11.1,"t":"2028-05-17T16:40:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-2.61,"az":12.0,"t":"2028-05-17T16:45:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-2.41,"az":12.9,"t":"2028-05-17T16:50:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-2.19,"az":13.8,"t":"2028-05-17T16:55:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-1.97,"az":14.6,"t":"2028-05-17T17:00:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-1.72,"az":15.5,"t":"2028-05-17T17:05:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-1.47,"az":16.4,"t":"2028-05-17T17:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.2,"az":17.2,"t":"2028-05-17T17:15:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-0.91,"az":18.1,"t":"2028-05-17T17:20:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-0.61,"az":18.9,"t":"2028-05-17T17:25:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-0.31,"az":19.7,"t":"2028-05-17T17:30:00Z","terrain":0.66},{"above_terrain":false,"airmass":37.66,"alt":0.02,"az":20.6,"t":"2028-05-17T17:35:00Z","terrain":0.68},{"above_terrain":false,"airmass":33.11,"alt":0.35,"az":21.4,"t":"2028-05-17T17:40:00Z","terrain":0.81},{"above_terrain":false,"airmass":29.16,"alt":0.7,"az":22.2,"t":"2028-05-17T17:45:00Z","terrain":1.03},{"above_terrain":false,"airmass":25.78,"alt":1.06,"az":23.1,"t":"2028-05-17T17:50:00Z","terrain":1.15},{"above_terrain":true,"airmass":22.9,"alt":1.43,"az":23.9,"t":"2028-05-17T17:55:00Z","terrain":0.95},{"above_terrain":true,"airmass":20.44,"alt":1.82,"az":24.7,"t":"2028-05-17T18:00:00Z","terrain":1.12},{"above_terrain":true,"airmass":18.34,"alt":2.22,"az":25.5,"t":"2028-05-17T18:05:00Z","terrain":1.28},{"above_terrain":true,"airmass":16.55,"alt":2.62,"az":26.3,"t":"2028-05-17T18:10:00Z","terrain":1.32},{"above_terrain":true,"airmass":15.0,"alt":3.04,"az":27.1,"t":"2028-05-17T18:15:00Z","terrain":1.27},{"above_terrain":true,"airmass":13.66,"alt":3.48,"az":27.9,"t":"2028-05-17T18:20:00Z","terrain":1.2},{"above_terrain":true,"airmass":12.5,"alt":3.92,"az":28.6,"t":"2028-05-17T18:25:00Z","terrain":1.07},{"above_terrain":true,"airmass":11.48,"alt":4.37,"az":29.4,"t":"2028-05-17T18:30:00Z","terrain":1.06},{"above_terrain":true,"airmass":10.59,"alt":4.84,"az":30.2,"t":"2028-05-17T18:35:00Z","terrain":1.18},{"above_terrain":true,"airmass":9.8,"alt":5.31,"az":30.9,"t":"2028-05-17T18:40:00Z","terrain":1.3},{"above_terrain":true,"airmass":9.1,"alt":5.8,"az":31.7,"t":"2028-05-17T18:45:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.48,"alt":6.3,"az":32.5,"t":"2028-05-17T18:50:00Z","terrain":1.18},{"above_terrain":true,"airmass":7.92,"alt":6.8,"az":33.2,"t":"2028-05-17T18:55:00Z","terrain":0.88},{"above_terrain":true,"airmass":7.42,"alt":7.32,"az":33.9,"t":"2028-05-17T19:00:00Z","terrain":0.47},{"above_terrain":true,"airmass":6.98,"alt":7.85,"az":34.7,"t":"2028-05-17T19:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":6.57,"alt":8.39,"az":35.4,"t":"2028-05-17T19:10:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.2,"alt":8.93,"az":36.1,"t":"2028-05-17T19:15:00Z","terrain":0.02},{"above_terrain":true,"airmass":5.86,"alt":9.49,"az":36.8,"t":"2028-05-17T19:20:00Z","terrain":-0.07},{"above_terrain":true,"airmass":5.56,"alt":10.06,"az":37.5,"t":"2028-05-17T19:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":5.28,"alt":10.63,"az":38.2,"t":"2028-05-17T19:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.02,"alt":11.21,"az":38.9,"t":"2028-05-17T19:35:00Z","terrain":-0.16},{"above_terrain":true,"airmass":4.78,"alt":11.81,"az":39.6,"t":"2028-05-17T19:40:00Z","terrain":-0.09},{"above_terrain":true,"airmass":4.56,"alt":12.41,"az":40.3,"t":"2028-05-17T19:45:00Z","terrain":-0.03},{"above_terrain":true,"airmass":4.36,"alt":13.02,"az":41.0,"t":"2028-05-17T19:50:00Z","terrain":0.02},{"above_terrain":true,"airmass":4.17,"alt":13.63,"az":41.6,"t":"2028-05-17T19:55:00Z","terrain":0.08},{"above_terrain":true,"airmass":4.0,"alt":14.26,"az":42.3,"t":"2028-05-17T20:00:00Z","terrain":0.16},{"above_terrain":true,"airmass":3.84,"alt":14.89,"az":42.9,"t":"2028-05-17T20:05:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.69,"alt":15.53,"az":43.6,"t":"2028-05-17T20:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.55,"alt":16.18,"az":44.2,"t":"2028-05-17T20:15:00Z","terrain":0.45},{"above_terrain":true,"airmass":3.42,"alt":16.84,"az":44.9,"t":"2028-05-17T20:20:00Z","terrain":0.56},{"above_terrain":true,"airmass":3.29,"alt":17.5,"az":45.5,"t":"2028-05-17T20:25:00Z","terrain":0.62},{"above_terrain":true,"airmass":3.18,"alt":18.17,"az":46.1,"t":"2028-05-17T20:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.07,"alt":18.85,"az":46.7,"t":"2028-05-17T20:35:00Z","terrain":0.63},{"above_terrain":true,"airmass":2.97,"alt":19.54,"az":47.3,"t":"2028-05-17T20:40:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.87,"alt":20.23,"az":47.9,"t":"2028-05-17T20:45:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.78,"alt":20.93,"az":48.5,"t":"2028-05-17T20:50:00Z","terrain":0.46},{"above_terrain":true,"airmass":2.7,"alt":21.63,"az":49.1,"t":"2028-05-17T20:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.62,"alt":22.34,"az":49.7,"t":"2028-05-17T21:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.54,"alt":23.06,"az":50.3,"t":"2028-05-17T21:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":2.47,"alt":23.78,"az":50.9,"t":"2028-05-17T21:10:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.4,"alt":24.51,"az":51.5,"t":"2028-05-17T21:15:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.33,"alt":25.25,"az":52.0,"t":"2028-05-17T21:20:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.27,"alt":25.99,"az":52.6,"t":"2028-05-17T21:25:00Z","terrain":0.75},{"above_terrain":true,"airmass":2.21,"alt":26.73,"az":53.1,"t":"2028-05-17T21:30:00Z","terrain":0.86},{"above_terrain":true,"airmass":2.16,"alt":27.49,"az":53.7,"t":"2028-05-17T21:35:00Z","terrain":0.95},{"above_terrain":true,"airmass":2.11,"alt":28.24,"az":54.2,"t":"2028-05-17T21:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.06,"alt":29.0,"az":54.8,"t":"2028-05-17T21:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.01,"alt":29.77,"az":55.3,"t":"2028-05-17T21:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.96,"alt":30.54,"az":55.8,"t":"2028-05-17T21:55:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.92,"alt":31.32,"az":56.3,"t":"2028-05-17T22:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.88,"alt":32.1,"az":56.9,"t":"2028-05-17T22:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.84,"alt":32.89,"az":57.4,"t":"2028-05-17T22:10:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.8,"alt":33.68,"az":57.9,"t":"2028-05-17T22:15:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.76,"alt":34.47,"az":58.4,"t":"2028-05-17T22:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.73,"alt":35.27,"az":58.9,"t":"2028-05-17T22:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.7,"alt":36.07,"az":59.4,"t":"2028-05-17T22:30:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.66,"alt":36.88,"az":59.8,"t":"2028-05-17T22:35:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.63,"alt":37.69,"az":60.3,"t":"2028-05-17T22:40:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.6,"alt":38.51,"az":60.8,"t":"2028-05-17T22:45:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.58,"alt":39.33,"az":61.3,"t":"2028-05-17T22:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.55,"alt":40.15,"az":61.7,"t":"2028-05-17T22:55:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.52,"alt":40.98,"az":62.2,"t":"2028-05-17T23:00:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.5,"alt":41.81,"az":62.6,"t":"2028-05-17T23:05:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.47,"alt":42.64,"az":63.1,"t":"2028-05-17T23:10:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.45,"alt":43.47,"az":63.5,"t":"2028-05-17T23:15:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.43,"alt":44.31,"az":64.0,"t":"2028-05-17T23:20:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.41,"alt":45.16,"az":64.4,"t":"2028-05-17T23:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.39,"alt":46.0,"az":64.8,"t":"2028-05-17T23:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":46.85,"az":65.2,"t":"2028-05-17T23:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.35,"alt":47.7,"az":65.6,"t":"2028-05-17T23:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.33,"alt":48.55,"az":66.0,"t":"2028-05-17T23:45:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.32,"alt":49.41,"az":66.4,"t":"2028-05-17T23:50:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.3,"alt":50.27,"az":66.8,"t":"2028-05-17T23:55:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.28,"alt":51.13,"az":67.2,"t":"2028-05-18T00:00:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.27,"alt":52.0,"az":67.6,"t":"2028-05-18T00:05:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.25,"alt":52.86,"az":68.0,"t":"2028-05-18T00:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.24,"alt":53.73,"az":68.3,"t":"2028-05-18T00:15:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.23,"alt":54.6,"az":68.7,"t":"2028-05-18T00:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.21,"alt":55.48,"az":69.1,"t":"2028-05-18T00:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.2,"alt":56.35,"az":69.4,"t":"2028-05-18T00:30:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.19,"alt":57.23,"az":69.7,"t":"2028-05-18T00:35:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.18,"alt":58.11,"az":70.1,"t":"2028-05-18T00:40:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.17,"alt":58.99,"az":70.4,"t":"2028-05-18T00:45:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.87,"az":70.7,"t":"2028-05-18T00:50:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.15,"alt":60.75,"az":71.0,"t":"2028-05-18T00:55:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.14,"alt":61.64,"az":71.3,"t":"2028-05-18T01:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.13,"alt":62.53,"az":71.5,"t":"2028-05-18T01:05:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.12,"alt":63.42,"az":71.8,"t":"2028-05-18T01:10:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.11,"alt":64.3,"az":72.0,"t":"2028-05-18T01:15:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.1,"alt":65.2,"az":72.3,"t":"2028-05-18T01:20:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.09,"alt":66.09,"az":72.5,"t":"2028-05-18T01:25:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.09,"alt":66.98,"az":72.6,"t":"2028-05-18T01:30:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.08,"alt":67.87,"az":72.8,"t":"2028-05-18T01:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.07,"alt":68.77,"az":72.9,"t":"2028-05-18T01:40:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.07,"alt":69.66,"az":73.1,"t":"2028-05-18T01:45:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.06,"alt":70.56,"az":73.1,"t":"2028-05-18T01:50:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.05,"alt":71.46,"az":73.2,"t":"2028-05-18T01:55:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.05,"alt":72.35,"az":73.2,"t":"2028-05-18T02:00:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.04,"alt":73.25,"az":73.2,"t":"2028-05-18T02:05:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.04,"alt":74.14,"az":73.1,"t":"2028-05-18T02:10:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.03,"alt":75.04,"az":72.9,"t":"2028-05-18T02:15:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.03,"alt":75.93,"az":72.7,"t":"2028-05-18T02:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.03,"alt":76.82,"az":72.3,"t":"2028-05-18T02:25:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.02,"alt":77.72,"az":71.9,"t":"2028-05-18T02:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.02,"alt":78.6,"az":71.3,"t":"2028-05-18T02:35:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.02,"alt":79.49,"az":70.6,"t":"2028-05-18T02:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.01,"alt":80.37,"az":69.6,"t":"2028-05-18T02:45:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.01,"alt":81.24,"az":68.4,"t":"2028-05-18T02:50:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.01,"alt":82.11,"az":66.8,"t":"2028-05-18T02:55:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.01,"alt":82.96,"az":64.7,"t":"2028-05-18T03:00:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":83.8,"az":61.9,"t":"2028-05-18T03:05:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.0,"alt":84.61,"az":58.1,"t":"2028-05-18T03:10:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.0,"alt":85.38,"az":52.9,"t":"2028-05-18T03:15:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.0,"alt":86.09,"az":45.5,"t":"2028-05-18T03:20:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.0,"alt":86.7,"az":35.0,"t":"2028-05-18T03:25:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.0,"alt":87.14,"az":20.4,"t":"2028-05-18T03:30:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.0,"alt":87.32,"az":2.1,"t":"2028-05-18T03:35:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.0,"alt":87.2,"az":343.5,"t":"2028-05-18T03:40:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.0,"alt":86.81,"az":327.9,"t":"2028-05-18T03:45:00Z","terrain":-0.24},{"above_terrain":true,"airmass":1.0,"alt":86.24,"az":316.5,"t":"2028-05-18T03:50:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.0,"alt":85.55,"az":308.6,"t":"2028-05-18T03:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.0,"alt":84.78,"az":302.9,"t":"2028-05-18T04:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.01,"alt":83.98,"az":298.9,"t":"2028-05-18T04:05:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.01,"alt":83.15,"az":295.9,"t":"2028-05-18T04:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.01,"alt":82.3,"az":293.6,"t":"2028-05-18T04:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.01,"alt":81.44,"az":291.9,"t":"2028-05-18T04:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.01,"alt":80.56,"az":290.6,"t":"2028-05-18T04:25:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.02,"alt":79.68,"az":289.6,"t":"2028-05-18T04:30:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.02,"alt":78.8,"az":288.8,"t":"2028-05-18T04:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":77.91,"az":288.2,"t":"2028-05-18T04:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":77.02,"az":287.8,"t":"2028-05-18T04:45:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.03,"alt":76.13,"az":287.4,"t":"2028-05-18T04:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.03,"alt":75.24,"az":287.1,"t":"2028-05-18T04:55:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.04,"alt":74.34,"az":287.0,"t":"2028-05-18T05:00:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.04,"alt":73.45,"az":286.9,"t":"2028-05-18T05:05:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.05,"alt":72.55,"az":286.8,"t":"2028-05-18T05:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.05,"alt":71.65,"az":286.8,"t":"2028-05-18T05:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":70.76,"az":286.8,"t":"2028-05-18T05:20:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.06,"alt":69.86,"az":286.9,"t":"2028-05-18T05:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.07,"alt":68.97,"az":287.0,"t":"2028-05-18T05:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.08,"alt":68.07,"az":287.2,"t":"2028-05-18T05:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.08,"alt":67.18,"az":287.3,"t":"2028-05-18T05:40:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.09,"alt":66.29,"az":287.5,"t":"2028-05-18T05:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.1,"alt":65.39,"az":287.7,"t":"2028-05-18T05:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.11,"alt":64.5,"az":287.9,"t":"2028-05-18T05:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.12,"alt":63.61,"az":288.2,"t":"2028-05-18T06:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":62.72,"az":288.4,"t":"2028-05-18T06:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":61.84,"az":288.7,"t":"2028-05-18T06:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":60.95,"az":289.0,"t":"2028-05-18T06:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.07,"az":289.3,"t":"2028-05-18T06:20:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.16,"alt":59.18,"az":289.6,"t":"2028-05-18T06:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.17,"alt":58.3,"az":289.9,"t":"2028-05-18T06:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.19,"alt":57.42,"az":290.2,"t":"2028-05-18T06:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.2,"alt":56.55,"az":290.5,"t":"2028-05-18T06:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.21,"alt":55.67,"az":290.9,"t":"2028-05-18T06:45:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.22,"alt":54.8,"az":291.2,"t":"2028-05-18T06:50:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.24,"alt":53.93,"az":291.6,"t":"2028-05-18T06:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.25,"alt":53.06,"az":291.9,"t":"2028-05-18T07:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.26,"alt":52.19,"az":292.3,"t":"2028-05-18T07:05:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.28,"alt":51.32,"az":292.7,"t":"2028-05-18T07:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.3,"alt":50.46,"az":293.1,"t":"2028-05-18T07:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.31,"alt":49.6,"az":293.5,"t":"2028-05-18T07:20:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.33,"alt":48.74,"az":293.9,"t":"2028-05-18T07:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.89,"az":294.3,"t":"2028-05-18T07:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":47.04,"az":294.7,"t":"2028-05-18T07:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.38,"alt":46.19,"az":295.1,"t":"2028-05-18T07:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.4,"alt":45.34,"az":295.5,"t":"2028-05-18T07:45:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.43,"alt":44.5,"az":296.0,"t":"2028-05-18T07:50:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.45,"alt":43.66,"az":296.4,"t":"2028-05-18T07:55:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.47,"alt":42.82,"az":296.8,"t":"2028-05-18T08:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.49,"alt":41.99,"az":297.3,"t":"2028-05-18T08:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.52,"alt":41.16,"az":297.7,"t":"2028-05-18T08:10:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.54,"alt":40.33,"az":298.2,"t":"2028-05-18T08:15:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.57,"alt":39.51,"az":298.6,"t":"2028-05-18T08:20:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.6,"alt":38.69,"az":299.1,"t":"2028-05-18T08:25:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.63,"alt":37.87,"az":299.6,"t":"2028-05-18T08:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.66,"alt":37.06,"az":300.1,"t":"2028-05-18T08:35:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.69,"alt":36.25,"az":300.5,"t":"2028-05-18T08:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.72,"alt":35.45,"az":301.0,"t":"2028-05-18T08:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.76,"alt":34.65,"az":301.5,"t":"2028-05-18T08:50:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.79,"alt":33.85,"az":302.0,"t":"2028-05-18T08:55:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.83,"alt":33.06,"az":302.5,"t":"2028-05-18T09:00:00Z","terrain":-0.08}],"transit":{"airmass":1.0,"alt":87.3,"az":2.1,"t":"2028-05-18T03:35:00Z"},"usable_hours":4.33,"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."]}