{"assessment":{"best_window":{"end":"2027-05-19T01:05Z","end_local":"04:05","hours":3.42,"label":"good","mean_quality":0.76,"start":"2027-05-18T21:40Z","start_local":"00:40"},"cost":{"altitude":2.4,"clouds":0.0,"darkness":1.44,"moon":0.58},"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":"2027-05-18T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":17,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2027-05-18T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":23,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2027-05-18T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":22,"cloud":null,"high":null,"iso":"2027-05-18T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":28,"precip":null,"q":0.42,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":31,"cloud":null,"high":null,"iso":"2027-05-18T22:00Z","label":"good","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.68,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":41,"cloud":null,"high":null,"iso":"2027-05-18T23:00Z","label":"good","low":null,"mid":null,"moon_alt":22,"precip":null,"q":0.74,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":51,"cloud":null,"high":null,"iso":"2027-05-19T00:00Z","label":"good","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":62,"cloud":null,"high":null,"iso":"2027-05-19T01:00Z","label":"good","low":null,"mid":null,"moon_alt":7,"precip":null,"q":0.87,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":73,"cloud":null,"high":null,"iso":"2027-05-19T02:00Z","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}],"peak_quality":0.87,"peak_sky":0.87,"quality_hours":3.47,"reasons":["the target being low or below 20\u00b0 cost 2.4 quality-hours","daylight and twilight cost 1.4 quality-hours","moonlight cost 0.6 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":76,"score_weather":null,"sky_hours":3.47,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2027-05-18T20:45Z","end_local":"23:45","hours":3.17,"label":"unusable","mean_quality":0.0,"start":"2027-05-18T17:35Z","start_local":"20:35"},{"end":"2027-05-18T21:40Z","end_local":"00:40","hours":0.92,"label":"marginal","mean_quality":0.47,"start":"2027-05-18T20:45Z","start_local":"23:45"},{"end":"2027-05-19T01:05Z","end_local":"04:05","hours":3.42,"label":"good","mean_quality":0.76,"start":"2027-05-18T21:40Z","start_local":"00:40"},{"end":"2027-05-19T01:50Z","end_local":"04:50","hours":0.75,"label":"marginal","mean_quality":0.45,"start":"2027-05-19T01:05Z","start_local":"04:05"},{"end":"2027-05-19T02:30Z","end_local":"05:30","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2027-05-19T01:50Z","start_local":"04:50"},{"end":"2027-05-19T03:00Z","end_local":"06:00","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-05-19T02:30Z","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":"2027-05-18T19:34:21Z","dark_hours":5.43,"dark_to":"2027-05-19T01:00:19Z","moon":{"illumination":0.973,"phase":"full moon","waxing":true},"moon_free_dark_hours":0.0,"moonrise":"2027-05-18T16:00:06Z","moonset":"2027-05-19T01:42:23Z","sunrise":"2027-05-19T02:58:06Z","sunset":"2027-05-18T17:36:33Z","twilight":{"astronomical":{"end":"2027-05-18T19:34:21Z","start":"2027-05-19T01:00:19Z"},"civil":{"end":"2027-05-18T18:08:38Z","start":"2027-05-19T02:26:01Z"},"nautical":{"end":"2027-05-18T18:48:48Z","start":"2027-05-19T01:45:52Z"}},"window_end":"2027-05-19T09:00:00Z","window_start":"2027-05-18T09:00:00Z"},"night_date":"2027-05-18","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.13,"alt":61.8,"t":"2027-05-19T01:00:00Z"},"dec":44.25788576,"dec_of_date":44.3654,"dec_str":"+44\u00b0 15' 28.4\"","good_hours":3.17,"limit_rise":"2027-05-18T20:42:22Z","limit_set":"2027-05-18T10:30:41Z","max_az_rate_deg_per_min":3.73,"moon_separation":109.8,"never_rises":false,"ra":314.72388973,"ra_of_date":314.9692,"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":"2027-05-18T13:46:47Z","blocked_dark_hours":0,"clears_at":"2027-05-18T17:49:38Z","rise_az":302.2},"track":[{"above_terrain":true,"airmass":1.81,"alt":33.53,"az":302.2,"t":"2027-05-18T09:00:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.84,"alt":32.74,"az":302.7,"t":"2027-05-18T09:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":1.88,"alt":31.95,"az":303.2,"t":"2027-05-18T09:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.93,"alt":31.17,"az":303.7,"t":"2027-05-18T09:15:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.97,"alt":30.39,"az":304.3,"t":"2027-05-18T09:20:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.02,"alt":29.62,"az":304.8,"t":"2027-05-18T09:25:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.07,"alt":28.86,"az":305.3,"t":"2027-05-18T09:30:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.12,"alt":28.1,"az":305.9,"t":"2027-05-18T09:35:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.17,"alt":27.34,"az":306.4,"t":"2027-05-18T09:40:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.23,"alt":26.59,"az":307.0,"t":"2027-05-18T09:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.28,"alt":25.85,"az":307.5,"t":"2027-05-18T09:50:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.35,"alt":25.11,"az":308.1,"t":"2027-05-18T09:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.41,"alt":24.37,"az":308.6,"t":"2027-05-18T10:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.48,"alt":23.64,"az":309.2,"t":"2027-05-18T10:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.55,"alt":22.92,"az":309.8,"t":"2027-05-18T10:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.63,"alt":22.21,"az":310.4,"t":"2027-05-18T10:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.71,"alt":21.5,"az":311.0,"t":"2027-05-18T10:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.8,"alt":20.79,"az":311.6,"t":"2027-05-18T10:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.89,"alt":20.09,"az":312.2,"t":"2027-05-18T10:30:00Z","terrain":0.16},{"above_terrain":true,"airmass":2.99,"alt":19.4,"az":312.8,"t":"2027-05-18T10:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.09,"alt":18.72,"az":313.4,"t":"2027-05-18T10:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":3.2,"alt":18.04,"az":314.0,"t":"2027-05-18T10:45:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.32,"alt":17.37,"az":314.6,"t":"2027-05-18T10:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.44,"alt":16.71,"az":315.3,"t":"2027-05-18T10:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.57,"alt":16.06,"az":315.9,"t":"2027-05-18T11:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.72,"alt":15.41,"az":316.5,"t":"2027-05-18T11:05:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.87,"alt":14.77,"az":317.2,"t":"2027-05-18T11:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.03,"alt":14.14,"az":317.8,"t":"2027-05-18T11:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":4.21,"alt":13.51,"az":318.5,"t":"2027-05-18T11:20:00Z","terrain":0.09},{"above_terrain":true,"airmass":4.4,"alt":12.9,"az":319.2,"t":"2027-05-18T11:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":4.6,"alt":12.29,"az":319.8,"t":"2027-05-18T11:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.83,"alt":11.69,"az":320.5,"t":"2027-05-18T11:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.07,"alt":11.1,"az":321.2,"t":"2027-05-18T11:40:00Z","terrain":-0.11},{"above_terrain":true,"airmass":5.33,"alt":10.52,"az":321.9,"t":"2027-05-18T11:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":5.62,"alt":9.94,"az":322.6,"t":"2027-05-18T11:50:00Z","terrain":0.13},{"above_terrain":true,"airmass":5.93,"alt":9.38,"az":323.3,"t":"2027-05-18T11:55:00Z","terrain":-0.01},{"above_terrain":true,"airmass":6.27,"alt":8.83,"az":324.0,"t":"2027-05-18T12:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":6.64,"alt":8.28,"az":324.7,"t":"2027-05-18T12:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.06,"alt":7.75,"az":325.5,"t":"2027-05-18T12:10:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.52,"alt":7.22,"az":326.2,"t":"2027-05-18T12:15:00Z","terrain":-0.27},{"above_terrain":true,"airmass":8.03,"alt":6.7,"az":326.9,"t":"2027-05-18T12:20:00Z","terrain":-0.38},{"above_terrain":true,"airmass":8.6,"alt":6.2,"az":327.7,"t":"2027-05-18T12:25:00Z","terrain":-0.28},{"above_terrain":true,"airmass":9.23,"alt":5.7,"az":328.4,"t":"2027-05-18T12:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":9.95,"alt":5.22,"az":329.2,"t":"2027-05-18T12:35:00Z","terrain":-0.17},{"above_terrain":true,"airmass":10.75,"alt":4.75,"az":330.0,"t":"2027-05-18T12:40:00Z","terrain":-0.34},{"above_terrain":true,"airmass":11.67,"alt":4.28,"az":330.7,"t":"2027-05-18T12:45:00Z","terrain":-0.38},{"above_terrain":true,"airmass":12.71,"alt":3.83,"az":331.5,"t":"2027-05-18T12:50:00Z","terrain":-0.26},{"above_terrain":true,"airmass":13.91,"alt":3.39,"az":332.3,"t":"2027-05-18T12:55:00Z","terrain":-0.13},{"above_terrain":true,"airmass":15.29,"alt":2.96,"az":333.1,"t":"2027-05-18T13:00:00Z","terrain":-0.13},{"above_terrain":true,"airmass":16.88,"alt":2.54,"az":333.9,"t":"2027-05-18T13:05:00Z","terrain":-0.22},{"above_terrain":true,"airmass":18.73,"alt":2.14,"az":334.7,"t":"2027-05-18T13:10:00Z","terrain":-0.47},{"above_terrain":true,"airmass":20.9,"alt":1.74,"az":335.5,"t":"2027-05-18T13:15:00Z","terrain":-0.7},{"above_terrain":true,"airmass":23.44,"alt":1.36,"az":336.3,"t":"2027-05-18T13:20:00Z","terrain":-0.8},{"above_terrain":true,"airmass":26.41,"alt":0.99,"az":337.1,"t":"2027-05-18T13:25:00Z","terrain":-0.7},{"above_terrain":true,"airmass":29.9,"alt":0.63,"az":337.9,"t":"2027-05-18T13:30:00Z","terrain":-0.49},{"above_terrain":true,"airmass":33.97,"alt":0.28,"az":338.7,"t":"2027-05-18T13:35:00Z","terrain":-0.68},{"above_terrain":true,"airmass":null,"alt":-0.05,"az":339.6,"t":"2027-05-18T13:40:00Z","terrain":-0.62},{"above_terrain":true,"airmass":null,"alt":-0.37,"az":340.4,"t":"2027-05-18T13:45:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-0.68,"az":341.3,"t":"2027-05-18T13:50:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-0.97,"az":342.1,"t":"2027-05-18T13:55:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-1.25,"az":343.0,"t":"2027-05-18T14:00:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-1.52,"az":343.8,"t":"2027-05-18T14:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.77,"az":344.7,"t":"2027-05-18T14:10:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-2.01,"az":345.5,"t":"2027-05-18T14:15:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-2.24,"az":346.4,"t":"2027-05-18T14:20:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-2.45,"az":347.3,"t":"2027-05-18T14:25:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-2.65,"az":348.1,"t":"2027-05-18T14:30:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-2.84,"az":349.0,"t":"2027-05-18T14:35:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-3.01,"az":349.9,"t":"2027-05-18T14:40:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-3.17,"az":350.8,"t":"2027-05-18T14:45:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.31,"az":351.7,"t":"2027-05-18T14:50:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-3.44,"az":352.6,"t":"2027-05-18T14:55:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-3.55,"az":353.5,"t":"2027-05-18T15:00:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.65,"az":354.3,"t":"2027-05-18T15:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.74,"az":355.2,"t":"2027-05-18T15:10:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":356.1,"t":"2027-05-18T15:15:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":357.0,"t":"2027-05-18T15:20:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.9,"az":357.9,"t":"2027-05-18T15:25:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-3.93,"az":358.8,"t":"2027-05-18T15:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.94,"az":359.7,"t":"2027-05-18T15:35:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-3.94,"az":0.6,"t":"2027-05-18T15:40:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-3.92,"az":1.5,"t":"2027-05-18T15:45:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-3.89,"az":2.4,"t":"2027-05-18T15:50:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-3.84,"az":3.3,"t":"2027-05-18T15:55:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-3.78,"az":4.2,"t":"2027-05-18T16:00:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-3.7,"az":5.1,"t":"2027-05-18T16:05:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-3.61,"az":6.0,"t":"2027-05-18T16:10:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-3.51,"az":6.9,"t":"2027-05-18T16:15:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-3.39,"az":7.8,"t":"2027-05-18T16:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.26,"az":8.7,"t":"2027-05-18T16:25:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-3.11,"az":9.6,"t":"2027-05-18T16:30:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-2.94,"az":10.4,"t":"2027-05-18T16:35:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-2.77,"az":11.3,"t":"2027-05-18T16:40:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-2.58,"az":12.2,"t":"2027-05-18T16:45:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-2.37,"az":13.1,"t":"2027-05-18T16:50:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-2.15,"az":13.9,"t":"2027-05-18T16:55:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-1.92,"az":14.8,"t":"2027-05-18T17:00:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-1.68,"az":15.7,"t":"2027-05-18T17:05:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-1.42,"az":16.5,"t":"2027-05-18T17:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.14,"az":17.4,"t":"2027-05-18T17:15:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-0.86,"az":18.2,"t":"2027-05-18T17:20:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-0.56,"az":19.1,"t":"2027-05-18T17:25:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-0.25,"az":19.9,"t":"2027-05-18T17:30:00Z","terrain":0.67},{"above_terrain":false,"airmass":36.77,"alt":0.08,"az":20.7,"t":"2027-05-18T17:35:00Z","terrain":0.68},{"above_terrain":false,"airmass":32.33,"alt":0.42,"az":21.6,"t":"2027-05-18T17:40:00Z","terrain":0.86},{"above_terrain":false,"airmass":28.49,"alt":0.77,"az":22.4,"t":"2027-05-18T17:45:00Z","terrain":1.06},{"above_terrain":true,"airmass":25.21,"alt":1.13,"az":23.2,"t":"2027-05-18T17:50:00Z","terrain":1.11},{"above_terrain":true,"airmass":22.41,"alt":1.51,"az":24.0,"t":"2027-05-18T17:55:00Z","terrain":0.93},{"above_terrain":true,"airmass":20.02,"alt":1.89,"az":24.8,"t":"2027-05-18T18:00:00Z","terrain":1.17},{"above_terrain":true,"airmass":17.98,"alt":2.29,"az":25.6,"t":"2027-05-18T18:05:00Z","terrain":1.3},{"above_terrain":true,"airmass":16.24,"alt":2.7,"az":26.4,"t":"2027-05-18T18:10:00Z","terrain":1.31},{"above_terrain":true,"airmass":14.73,"alt":3.12,"az":27.2,"t":"2027-05-18T18:15:00Z","terrain":1.26},{"above_terrain":true,"airmass":13.43,"alt":3.56,"az":28.0,"t":"2027-05-18T18:20:00Z","terrain":1.19},{"above_terrain":true,"airmass":12.29,"alt":4.0,"az":28.8,"t":"2027-05-18T18:25:00Z","terrain":1.04},{"above_terrain":true,"airmass":11.3,"alt":4.46,"az":29.6,"t":"2027-05-18T18:30:00Z","terrain":1.09},{"above_terrain":true,"airmass":10.43,"alt":4.93,"az":30.3,"t":"2027-05-18T18:35:00Z","terrain":1.2},{"above_terrain":true,"airmass":9.66,"alt":5.41,"az":31.1,"t":"2027-05-18T18:40:00Z","terrain":1.31},{"above_terrain":true,"airmass":8.98,"alt":5.89,"az":31.9,"t":"2027-05-18T18:45:00Z","terrain":1.33},{"above_terrain":true,"airmass":8.37,"alt":6.39,"az":32.6,"t":"2027-05-18T18:50:00Z","terrain":1.13},{"above_terrain":true,"airmass":7.82,"alt":6.9,"az":33.3,"t":"2027-05-18T18:55:00Z","terrain":0.8},{"above_terrain":true,"airmass":7.34,"alt":7.42,"az":34.1,"t":"2027-05-18T19:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":6.89,"alt":7.95,"az":34.8,"t":"2027-05-18T19:05:00Z","terrain":0.12},{"above_terrain":true,"airmass":6.5,"alt":8.49,"az":35.5,"t":"2027-05-18T19:10:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.13,"alt":9.04,"az":36.2,"t":"2027-05-18T19:15:00Z","terrain":0.0},{"above_terrain":true,"airmass":5.8,"alt":9.6,"az":37.0,"t":"2027-05-18T19:20:00Z","terrain":-0.08},{"above_terrain":true,"airmass":5.5,"alt":10.16,"az":37.7,"t":"2027-05-18T19:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":5.23,"alt":10.74,"az":38.4,"t":"2027-05-18T19:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.97,"alt":11.33,"az":39.1,"t":"2027-05-18T19:35:00Z","terrain":-0.15},{"above_terrain":true,"airmass":4.74,"alt":11.92,"az":39.7,"t":"2027-05-18T19:40:00Z","terrain":-0.08},{"above_terrain":true,"airmass":4.52,"alt":12.52,"az":40.4,"t":"2027-05-18T19:45:00Z","terrain":-0.02},{"above_terrain":true,"airmass":4.32,"alt":13.13,"az":41.1,"t":"2027-05-18T19:50:00Z","terrain":0.03},{"above_terrain":true,"airmass":4.14,"alt":13.75,"az":41.8,"t":"2027-05-18T19:55:00Z","terrain":0.1},{"above_terrain":true,"airmass":3.97,"alt":14.38,"az":42.4,"t":"2027-05-18T20:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.81,"alt":15.02,"az":43.1,"t":"2027-05-18T20:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.66,"alt":15.66,"az":43.7,"t":"2027-05-18T20:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":3.52,"alt":16.31,"az":44.4,"t":"2027-05-18T20:15:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.39,"alt":16.97,"az":45.0,"t":"2027-05-18T20:20:00Z","terrain":0.58},{"above_terrain":true,"airmass":3.27,"alt":17.63,"az":45.6,"t":"2027-05-18T20:25:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.16,"alt":18.3,"az":46.2,"t":"2027-05-18T20:30:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.05,"alt":18.98,"az":46.9,"t":"2027-05-18T20:35:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.95,"alt":19.67,"az":47.5,"t":"2027-05-18T20:40:00Z","terrain":0.57},{"above_terrain":true,"airmass":2.85,"alt":20.36,"az":48.1,"t":"2027-05-18T20:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.76,"alt":21.06,"az":48.7,"t":"2027-05-18T20:50:00Z","terrain":0.45},{"above_terrain":true,"airmass":2.68,"alt":21.77,"az":49.3,"t":"2027-05-18T20:55:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.6,"alt":22.48,"az":49.8,"t":"2027-05-18T21:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.53,"alt":23.2,"az":50.4,"t":"2027-05-18T21:05:00Z","terrain":0.46},{"above_terrain":true,"airmass":2.45,"alt":23.92,"az":51.0,"t":"2027-05-18T21:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.39,"alt":24.65,"az":51.6,"t":"2027-05-18T21:15:00Z","terrain":0.59},{"above_terrain":true,"airmass":2.32,"alt":25.39,"az":52.1,"t":"2027-05-18T21:20:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.26,"alt":26.13,"az":52.7,"t":"2027-05-18T21:25:00Z","terrain":0.78},{"above_terrain":true,"airmass":2.2,"alt":26.88,"az":53.3,"t":"2027-05-18T21:30:00Z","terrain":0.88},{"above_terrain":true,"airmass":2.15,"alt":27.63,"az":53.8,"t":"2027-05-18T21:35:00Z","terrain":0.97},{"above_terrain":true,"airmass":2.1,"alt":28.39,"az":54.3,"t":"2027-05-18T21:40:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.05,"alt":29.15,"az":54.9,"t":"2027-05-18T21:45:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.0,"alt":29.92,"az":55.4,"t":"2027-05-18T21:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.95,"alt":30.69,"az":55.9,"t":"2027-05-18T21:55:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.91,"alt":31.47,"az":56.5,"t":"2027-05-18T22:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.87,"alt":32.25,"az":57.0,"t":"2027-05-18T22:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.83,"alt":33.04,"az":57.5,"t":"2027-05-18T22:10:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.79,"alt":33.83,"az":58.0,"t":"2027-05-18T22:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.76,"alt":34.63,"az":58.5,"t":"2027-05-18T22:20:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.72,"alt":35.43,"az":59.0,"t":"2027-05-18T22:25:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.69,"alt":36.23,"az":59.5,"t":"2027-05-18T22:30:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.66,"alt":37.04,"az":59.9,"t":"2027-05-18T22:35:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.63,"alt":37.85,"az":60.4,"t":"2027-05-18T22:40:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.6,"alt":38.67,"az":60.9,"t":"2027-05-18T22:45:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.57,"alt":39.49,"az":61.4,"t":"2027-05-18T22:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.54,"alt":40.31,"az":61.8,"t":"2027-05-18T22:55:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.52,"alt":41.14,"az":62.3,"t":"2027-05-18T23:00:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.49,"alt":41.97,"az":62.7,"t":"2027-05-18T23:05:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.47,"alt":42.8,"az":63.2,"t":"2027-05-18T23:10:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.45,"alt":43.64,"az":63.6,"t":"2027-05-18T23:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.43,"alt":44.48,"az":64.0,"t":"2027-05-18T23:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.4,"alt":45.32,"az":64.5,"t":"2027-05-18T23:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.38,"alt":46.17,"az":64.9,"t":"2027-05-18T23:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.37,"alt":47.02,"az":65.3,"t":"2027-05-18T23:35:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.35,"alt":47.87,"az":65.7,"t":"2027-05-18T23:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.33,"alt":48.72,"az":66.1,"t":"2027-05-18T23:45:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.31,"alt":49.58,"az":66.5,"t":"2027-05-18T23:50:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.3,"alt":50.44,"az":66.9,"t":"2027-05-18T23:55:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.28,"alt":51.3,"az":67.3,"t":"2027-05-19T00:00:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.27,"alt":52.17,"az":67.7,"t":"2027-05-19T00:05:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.25,"alt":53.03,"az":68.1,"t":"2027-05-19T00:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.24,"alt":53.9,"az":68.4,"t":"2027-05-19T00:15:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.22,"alt":54.77,"az":68.8,"t":"2027-05-19T00:20:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.21,"alt":55.65,"az":69.1,"t":"2027-05-19T00:25:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.2,"alt":56.52,"az":69.5,"t":"2027-05-19T00:30:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.19,"alt":57.4,"az":69.8,"t":"2027-05-19T00:35:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.17,"alt":58.28,"az":70.1,"t":"2027-05-19T00:40:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.16,"az":70.4,"t":"2027-05-19T00:45:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.04,"az":70.7,"t":"2027-05-19T00:50:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":60.93,"az":71.0,"t":"2027-05-19T00:55:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.13,"alt":61.81,"az":71.3,"t":"2027-05-19T01:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":62.7,"az":71.6,"t":"2027-05-19T01:05:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.12,"alt":63.59,"az":71.8,"t":"2027-05-19T01:10:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.11,"alt":64.48,"az":72.1,"t":"2027-05-19T01:15:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.1,"alt":65.37,"az":72.3,"t":"2027-05-19T01:20:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.09,"alt":66.26,"az":72.5,"t":"2027-05-19T01:25:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.08,"alt":67.16,"az":72.7,"t":"2027-05-19T01:30:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.08,"alt":68.05,"az":72.8,"t":"2027-05-19T01:35:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.07,"alt":68.95,"az":73.0,"t":"2027-05-19T01:40:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.06,"alt":69.84,"az":73.1,"t":"2027-05-19T01:45:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.06,"alt":70.74,"az":73.2,"t":"2027-05-19T01:50:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.05,"alt":71.63,"az":73.2,"t":"2027-05-19T01:55:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.05,"alt":72.53,"az":73.2,"t":"2027-05-19T02:00:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.04,"alt":73.42,"az":73.2,"t":"2027-05-19T02:05:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.04,"alt":74.32,"az":73.0,"t":"2027-05-19T02:10:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.03,"alt":75.21,"az":72.9,"t":"2027-05-19T02:15:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.03,"alt":76.11,"az":72.6,"t":"2027-05-19T02:20:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.03,"alt":77.0,"az":72.3,"t":"2027-05-19T02:25:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.02,"alt":77.89,"az":71.8,"t":"2027-05-19T02:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.02,"alt":78.78,"az":71.2,"t":"2027-05-19T02:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.02,"alt":79.66,"az":70.4,"t":"2027-05-19T02:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.01,"alt":80.54,"az":69.4,"t":"2027-05-19T02:45:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.01,"alt":81.42,"az":68.1,"t":"2027-05-19T02:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.01,"alt":82.28,"az":66.4,"t":"2027-05-19T02:55:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.01,"alt":83.13,"az":64.2,"t":"2027-05-19T03:00:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.01,"alt":83.96,"az":61.2,"t":"2027-05-19T03:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.0,"alt":84.77,"az":57.2,"t":"2027-05-19T03:10:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.0,"alt":85.53,"az":51.6,"t":"2027-05-19T03:15:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.0,"alt":86.22,"az":43.7,"t":"2027-05-19T03:20:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.0,"alt":86.8,"az":32.5,"t":"2027-05-19T03:25:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.0,"alt":87.2,"az":17.0,"t":"2027-05-19T03:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.0,"alt":87.33,"az":358.3,"t":"2027-05-19T03:35:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.0,"alt":87.15,"az":340.0,"t":"2027-05-19T03:40:00Z","terrain":-0.53},{"above_terrain":true,"airmass":1.0,"alt":86.71,"az":325.3,"t":"2027-05-19T03:45:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":86.11,"az":314.7,"t":"2027-05-19T03:50:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.0,"alt":85.4,"az":307.2,"t":"2027-05-19T03:55:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.0,"alt":84.63,"az":302.0,"t":"2027-05-19T04:00:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.01,"alt":83.82,"az":298.2,"t":"2027-05-19T04:05:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.01,"alt":82.98,"az":295.4,"t":"2027-05-19T04:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.01,"alt":82.13,"az":293.2,"t":"2027-05-19T04:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.01,"alt":81.26,"az":291.6,"t":"2027-05-19T04:20:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.01,"alt":80.39,"az":290.4,"t":"2027-05-19T04:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.02,"alt":79.51,"az":289.4,"t":"2027-05-19T04:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.02,"alt":78.63,"az":288.7,"t":"2027-05-19T04:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":77.74,"az":288.1,"t":"2027-05-19T04:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.85,"az":287.7,"t":"2027-05-19T04:45:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.03,"alt":75.95,"az":287.3,"t":"2027-05-19T04:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.03,"alt":75.06,"az":287.1,"t":"2027-05-19T04:55:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.04,"alt":74.17,"az":286.9,"t":"2027-05-19T05:00:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.04,"alt":73.27,"az":286.8,"t":"2027-05-19T05:05:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.05,"alt":72.37,"az":286.8,"t":"2027-05-19T05:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.05,"alt":71.48,"az":286.8,"t":"2027-05-19T05:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":70.58,"az":286.8,"t":"2027-05-19T05:20:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.07,"alt":69.69,"az":286.9,"t":"2027-05-19T05:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.07,"alt":68.79,"az":287.0,"t":"2027-05-19T05:30:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.08,"alt":67.9,"az":287.2,"t":"2027-05-19T05:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.09,"alt":67.0,"az":287.3,"t":"2027-05-19T05:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.09,"alt":66.11,"az":287.5,"t":"2027-05-19T05:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.1,"alt":65.22,"az":287.7,"t":"2027-05-19T05:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.11,"alt":64.33,"az":288.0,"t":"2027-05-19T05:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.12,"alt":63.44,"az":288.2,"t":"2027-05-19T06:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":62.55,"az":288.5,"t":"2027-05-19T06:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.14,"alt":61.66,"az":288.7,"t":"2027-05-19T06:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.78,"az":289.0,"t":"2027-05-19T06:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.16,"alt":59.89,"az":289.3,"t":"2027-05-19T06:20:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.17,"alt":59.01,"az":289.6,"t":"2027-05-19T06:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.18,"alt":58.13,"az":289.9,"t":"2027-05-19T06:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.19,"alt":57.25,"az":290.3,"t":"2027-05-19T06:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.2,"alt":56.37,"az":290.6,"t":"2027-05-19T06:40:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.21,"alt":55.5,"az":290.9,"t":"2027-05-19T06:45:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.23,"alt":54.62,"az":291.3,"t":"2027-05-19T06:50:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.24,"alt":53.75,"az":291.6,"t":"2027-05-19T06:55:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.25,"alt":52.88,"az":292.0,"t":"2027-05-19T07:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.27,"alt":52.02,"az":292.4,"t":"2027-05-19T07:05:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.28,"alt":51.15,"az":292.8,"t":"2027-05-19T07:10:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.3,"alt":50.29,"az":293.1,"t":"2027-05-19T07:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.32,"alt":49.43,"az":293.5,"t":"2027-05-19T07:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.57,"az":293.9,"t":"2027-05-19T07:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.72,"az":294.3,"t":"2027-05-19T07:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":46.87,"az":294.8,"t":"2027-05-19T07:35:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":46.02,"az":295.2,"t":"2027-05-19T07:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.41,"alt":45.18,"az":295.6,"t":"2027-05-19T07:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.43,"alt":44.33,"az":296.0,"t":"2027-05-19T07:50:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.45,"alt":43.49,"az":296.5,"t":"2027-05-19T07:55:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.47,"alt":42.66,"az":296.9,"t":"2027-05-19T08:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.5,"alt":41.82,"az":297.4,"t":"2027-05-19T08:05:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.52,"alt":40.99,"az":297.8,"t":"2027-05-19T08:10:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.55,"alt":40.17,"az":298.3,"t":"2027-05-19T08:15:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.57,"alt":39.35,"az":298.7,"t":"2027-05-19T08:20:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.6,"alt":38.53,"az":299.2,"t":"2027-05-19T08:25:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.63,"alt":37.71,"az":299.7,"t":"2027-05-19T08:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.66,"alt":36.9,"az":300.1,"t":"2027-05-19T08:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.69,"alt":36.09,"az":300.6,"t":"2027-05-19T08:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.73,"alt":35.29,"az":301.1,"t":"2027-05-19T08:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.76,"alt":34.49,"az":301.6,"t":"2027-05-19T08:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.8,"alt":33.7,"az":302.1,"t":"2027-05-19T08:55:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.84,"alt":32.9,"az":302.6,"t":"2027-05-19T09:00:00Z","terrain":-0.11}],"transit":{"airmass":1.0,"alt":87.3,"az":358.3,"t":"2027-05-19T03:35:00Z"},"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."]}