{"assessment":{"best_window":{"end":"2027-05-13T01:10Z","end_local":"04:10","hours":3.33,"label":"good","mean_quality":0.86,"start":"2027-05-12T21:50Z","start_local":"00:50"},"cost":{"altitude":2.93,"clouds":0.0,"darkness":1.44,"moon":0.06},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically worth it \u2014 weather unknown","hourly":[{"alt":0,"cloud":null,"high":null,"iso":"2027-05-12T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":55,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":5,"cloud":null,"high":null,"iso":"2027-05-12T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":46,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":11,"cloud":null,"high":null,"iso":"2027-05-12T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":35,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":19,"cloud":null,"high":null,"iso":"2027-05-12T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":28,"cloud":null,"high":null,"iso":"2027-05-12T22:00Z","label":"good","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.68,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":37,"cloud":null,"high":null,"iso":"2027-05-12T23:00Z","label":"good","low":null,"mid":null,"moon_alt":2,"precip":null,"q":0.82,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2027-05-13T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-8,"precip":null,"q":0.92,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":58,"cloud":null,"high":null,"iso":"2027-05-13T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-17,"precip":null,"q":0.98,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":68,"cloud":null,"high":null,"iso":"2027-05-13T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null},{"alt":79,"cloud":null,"high":null,"iso":"2027-05-13T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.99,"peak_sky":0.99,"quality_hours":3.66,"reasons":["the target being low or below 20\u00b0 cost 2.9 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":91,"score_weather":null,"sky_hours":3.66,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2027-05-12T21:10Z","end_local":"00:10","hours":3.67,"label":"unusable","mean_quality":0.0,"start":"2027-05-12T17:30Z","start_local":"20:30"},{"end":"2027-05-12T21:50Z","end_local":"00:50","hours":0.67,"label":"marginal","mean_quality":0.5,"start":"2027-05-12T21:10Z","start_local":"00:10"},{"end":"2027-05-13T01:10Z","end_local":"04:10","hours":3.33,"label":"good","mean_quality":0.86,"start":"2027-05-12T21:50Z","start_local":"00:50"},{"end":"2027-05-13T01:55Z","end_local":"04:55","hours":0.75,"label":"marginal","mean_quality":0.5,"start":"2027-05-13T01:10Z","start_local":"04:10"},{"end":"2027-05-13T02:35Z","end_local":"05:35","hours":0.67,"label":"poor","mean_quality":0.15,"start":"2027-05-13T01:55Z","start_local":"04:55"},{"end":"2027-05-13T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-05-13T02:35Z","start_local":"05:35"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2027-05-12T19:24:39Z","dark_hours":5.75,"dark_to":"2027-05-13T01:09:48Z","moon":{"illumination":0.469,"phase":"waxing crescent","waxing":true},"moon_free_dark_hours":1.93,"moonrise":null,"moonset":"2027-05-12T23:12:46Z","sunrise":"2027-05-13T03:03:55Z","sunset":"2027-05-12T17:30:30Z","twilight":{"astronomical":{"end":"2027-05-12T19:24:39Z","start":"2027-05-13T01:09:48Z"},"civil":{"end":"2027-05-12T18:01:57Z","start":"2027-05-13T02:32:28Z"},"nautical":{"end":"2027-05-12T18:41:01Z","start":"2027-05-13T01:53:25Z"}},"window_end":"2027-05-13T09:00:00Z","window_start":"2027-05-12T09:00:00Z"},"night_date":"2027-05-12","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.17,"alt":58.5,"t":"2027-05-13T01:05:00Z"},"dec":44.25788576,"dec_of_date":44.3653,"dec_str":"+44\u00b0 15' 28.4\"","good_hours":2.92,"limit_rise":"2027-05-12T21:05:58Z","limit_set":"2027-05-12T10:54:16Z","max_az_rate_deg_per_min":3.8,"moon_separation":120.4,"never_rises":false,"ra":314.72388973,"ra_of_date":314.969,"ra_str":"20h 58m 53.7s","resolved":{"dec":44.25788576,"name":"EM* LkHA 190","ra":314.72388973,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=V1057%20Cyg","source":"sesame","spectral_type":"F7/G3I/IIe","type":"Or*","type_text":"Orion-type variable \u2014 a young, erupting star","vmag":12.33},"summary":"Only 2.9 h above 30\u00b0, 4.0 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2027-05-12T14:10:14Z","blocked_dark_hours":0,"clears_at":"2027-05-12T18:12:47Z","rise_az":299.9},"track":[{"above_terrain":true,"airmass":1.65,"alt":37.31,"az":299.9,"t":"2027-05-12T09:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.68,"alt":36.5,"az":300.4,"t":"2027-05-12T09:05:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.71,"alt":35.69,"az":300.9,"t":"2027-05-12T09:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.74,"alt":34.89,"az":301.4,"t":"2027-05-12T09:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.78,"alt":34.1,"az":301.9,"t":"2027-05-12T09:20:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.82,"alt":33.3,"az":302.4,"t":"2027-05-12T09:25:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.86,"alt":32.51,"az":302.9,"t":"2027-05-12T09:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.9,"alt":31.73,"az":303.4,"t":"2027-05-12T09:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.94,"alt":30.95,"az":303.9,"t":"2027-05-12T09:40:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.98,"alt":30.18,"az":304.4,"t":"2027-05-12T09:45:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.03,"alt":29.41,"az":304.9,"t":"2027-05-12T09:50:00Z","terrain":-0.28},{"above_terrain":true,"airmass":2.08,"alt":28.64,"az":305.5,"t":"2027-05-12T09:55:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.13,"alt":27.88,"az":306.0,"t":"2027-05-12T10:00:00Z","terrain":-0.16},{"above_terrain":true,"airmass":2.19,"alt":27.13,"az":306.6,"t":"2027-05-12T10:05:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.24,"alt":26.38,"az":307.1,"t":"2027-05-12T10:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.3,"alt":25.64,"az":307.7,"t":"2027-05-12T10:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.36,"alt":24.9,"az":308.2,"t":"2027-05-12T10:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.43,"alt":24.17,"az":308.8,"t":"2027-05-12T10:25:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.5,"alt":23.44,"az":309.4,"t":"2027-05-12T10:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.58,"alt":22.72,"az":310.0,"t":"2027-05-12T10:35:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.65,"alt":22.0,"az":310.5,"t":"2027-05-12T10:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":2.74,"alt":21.3,"az":311.1,"t":"2027-05-12T10:45:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.82,"alt":20.59,"az":311.7,"t":"2027-05-12T10:50:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.92,"alt":19.9,"az":312.3,"t":"2027-05-12T10:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.02,"alt":19.21,"az":312.9,"t":"2027-05-12T11:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.12,"alt":18.53,"az":313.6,"t":"2027-05-12T11:05:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.23,"alt":17.85,"az":314.2,"t":"2027-05-12T11:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.35,"alt":17.19,"az":314.8,"t":"2027-05-12T11:15:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.48,"alt":16.53,"az":315.4,"t":"2027-05-12T11:20:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.61,"alt":15.87,"az":316.1,"t":"2027-05-12T11:25:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.76,"alt":15.23,"az":316.7,"t":"2027-05-12T11:30:00Z","terrain":0.35},{"above_terrain":true,"airmass":3.91,"alt":14.59,"az":317.4,"t":"2027-05-12T11:35:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.08,"alt":13.96,"az":318.0,"t":"2027-05-12T11:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":4.26,"alt":13.34,"az":318.7,"t":"2027-05-12T11:45:00Z","terrain":0.0},{"above_terrain":true,"airmass":4.46,"alt":12.72,"az":319.4,"t":"2027-05-12T11:50:00Z","terrain":-0.16},{"above_terrain":true,"airmass":4.67,"alt":12.12,"az":320.0,"t":"2027-05-12T11:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.89,"alt":11.52,"az":320.7,"t":"2027-05-12T12:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.14,"alt":10.93,"az":321.4,"t":"2027-05-12T12:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":5.41,"alt":10.35,"az":322.1,"t":"2027-05-12T12:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":5.7,"alt":9.78,"az":322.8,"t":"2027-05-12T12:15:00Z","terrain":0.1},{"above_terrain":true,"airmass":6.02,"alt":9.22,"az":323.5,"t":"2027-05-12T12:20:00Z","terrain":-0.07},{"above_terrain":true,"airmass":6.37,"alt":8.67,"az":324.2,"t":"2027-05-12T12:25:00Z","terrain":-0.21},{"above_terrain":true,"airmass":6.76,"alt":8.13,"az":325.0,"t":"2027-05-12T12:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.18,"alt":7.6,"az":325.7,"t":"2027-05-12T12:35:00Z","terrain":-0.22},{"above_terrain":true,"airmass":7.66,"alt":7.07,"az":326.4,"t":"2027-05-12T12:40:00Z","terrain":-0.3},{"above_terrain":true,"airmass":8.18,"alt":6.56,"az":327.2,"t":"2027-05-12T12:45:00Z","terrain":-0.37},{"above_terrain":true,"airmass":8.77,"alt":6.06,"az":327.9,"t":"2027-05-12T12:50:00Z","terrain":-0.25},{"above_terrain":true,"airmass":9.42,"alt":5.57,"az":328.7,"t":"2027-05-12T12:55:00Z","terrain":-0.16},{"above_terrain":true,"airmass":10.16,"alt":5.08,"az":329.4,"t":"2027-05-12T13:00:00Z","terrain":-0.22},{"above_terrain":true,"airmass":11.0,"alt":4.61,"az":330.2,"t":"2027-05-12T13:05:00Z","terrain":-0.36},{"above_terrain":true,"airmass":11.95,"alt":4.15,"az":330.9,"t":"2027-05-12T13:10:00Z","terrain":-0.39},{"above_terrain":true,"airmass":13.03,"alt":3.7,"az":331.7,"t":"2027-05-12T13:15:00Z","terrain":-0.21},{"above_terrain":true,"airmass":14.28,"alt":3.27,"az":332.5,"t":"2027-05-12T13:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":15.71,"alt":2.84,"az":333.3,"t":"2027-05-12T13:25:00Z","terrain":-0.15},{"above_terrain":true,"airmass":17.37,"alt":2.43,"az":334.1,"t":"2027-05-12T13:30:00Z","terrain":-0.26},{"above_terrain":true,"airmass":19.31,"alt":2.02,"az":334.9,"t":"2027-05-12T13:35:00Z","terrain":-0.55},{"above_terrain":true,"airmass":21.57,"alt":1.63,"az":335.7,"t":"2027-05-12T13:40:00Z","terrain":-0.76},{"above_terrain":true,"airmass":24.23,"alt":1.25,"az":336.5,"t":"2027-05-12T13:45:00Z","terrain":-0.78},{"above_terrain":true,"airmass":27.34,"alt":0.89,"az":337.3,"t":"2027-05-12T13:50:00Z","terrain":-0.64},{"above_terrain":true,"airmass":30.99,"alt":0.53,"az":338.2,"t":"2027-05-12T13:55:00Z","terrain":-0.51},{"above_terrain":true,"airmass":35.23,"alt":0.19,"az":339.0,"t":"2027-05-12T14:00:00Z","terrain":-0.74},{"above_terrain":true,"airmass":null,"alt":-0.14,"az":339.8,"t":"2027-05-12T14:05:00Z","terrain":-0.57},{"above_terrain":true,"airmass":null,"alt":-0.46,"az":340.7,"t":"2027-05-12T14:10:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-0.76,"az":341.5,"t":"2027-05-12T14:15:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-1.05,"az":342.3,"t":"2027-05-12T14:20:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-1.33,"az":343.2,"t":"2027-05-12T14:25:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-1.59,"az":344.1,"t":"2027-05-12T14:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.84,"az":344.9,"t":"2027-05-12T14:35:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-2.08,"az":345.8,"t":"2027-05-12T14:40:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-2.3,"az":346.6,"t":"2027-05-12T14:45:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-2.51,"az":347.5,"t":"2027-05-12T14:50:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-2.71,"az":348.4,"t":"2027-05-12T14:55:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-2.89,"az":349.3,"t":"2027-05-12T15:00:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-3.05,"az":350.2,"t":"2027-05-12T15:05:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.21,"az":351.0,"t":"2027-05-12T15:10:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":351.9,"t":"2027-05-12T15:15:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-3.47,"az":352.8,"t":"2027-05-12T15:20:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-3.58,"az":353.7,"t":"2027-05-12T15:25:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":354.6,"t":"2027-05-12T15:30:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":355.5,"t":"2027-05-12T15:35:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":356.4,"t":"2027-05-12T15:40:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":357.3,"t":"2027-05-12T15:45:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-3.91,"az":358.2,"t":"2027-05-12T15:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.93,"az":359.1,"t":"2027-05-12T15:55:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-3.94,"az":360.0,"t":"2027-05-12T16:00:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-3.93,"az":0.9,"t":"2027-05-12T16:05:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-3.91,"az":1.8,"t":"2027-05-12T16:10:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":2.7,"t":"2027-05-12T16:15:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-3.83,"az":3.6,"t":"2027-05-12T16:20:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":4.5,"t":"2027-05-12T16:25:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":5.4,"t":"2027-05-12T16:30:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-3.59,"az":6.3,"t":"2027-05-12T16:35:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-3.48,"az":7.1,"t":"2027-05-12T16:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":8.0,"t":"2027-05-12T16:45:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-3.21,"az":8.9,"t":"2027-05-12T16:50:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-3.06,"az":9.8,"t":"2027-05-12T16:55:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-2.9,"az":10.7,"t":"2027-05-12T17:00:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-2.72,"az":11.6,"t":"2027-05-12T17:05:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-2.52,"az":12.4,"t":"2027-05-12T17:10:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-2.31,"az":13.3,"t":"2027-05-12T17:15:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-2.09,"az":14.2,"t":"2027-05-12T17:20:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-1.85,"az":15.0,"t":"2027-05-12T17:25:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-1.6,"az":15.9,"t":"2027-05-12T17:30:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.34,"az":16.8,"t":"2027-05-12T17:35:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-1.06,"az":17.6,"t":"2027-05-12T17:40:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-0.77,"az":18.5,"t":"2027-05-12T17:45:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-0.47,"az":19.3,"t":"2027-05-12T17:50:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-0.16,"az":20.1,"t":"2027-05-12T17:55:00Z","terrain":0.67},{"above_terrain":false,"airmass":35.45,"alt":0.17,"az":21.0,"t":"2027-05-12T18:00:00Z","terrain":0.69},{"above_terrain":false,"airmass":31.19,"alt":0.51,"az":21.8,"t":"2027-05-12T18:05:00Z","terrain":0.93},{"above_terrain":false,"airmass":27.51,"alt":0.87,"az":22.6,"t":"2027-05-12T18:10:00Z","terrain":1.1},{"above_terrain":true,"airmass":24.37,"alt":1.23,"az":23.4,"t":"2027-05-12T18:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":21.7,"alt":1.61,"az":24.3,"t":"2027-05-12T18:20:00Z","terrain":1.0},{"above_terrain":true,"airmass":19.41,"alt":2.0,"az":25.1,"t":"2027-05-12T18:25:00Z","terrain":1.23},{"above_terrain":true,"airmass":17.46,"alt":2.41,"az":25.9,"t":"2027-05-12T18:30:00Z","terrain":1.32},{"above_terrain":true,"airmass":15.79,"alt":2.82,"az":26.7,"t":"2027-05-12T18:35:00Z","terrain":1.3},{"above_terrain":true,"airmass":14.34,"alt":3.25,"az":27.5,"t":"2027-05-12T18:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":13.09,"alt":3.68,"az":28.2,"t":"2027-05-12T18:45:00Z","terrain":1.15},{"above_terrain":true,"airmass":12.0,"alt":4.13,"az":29.0,"t":"2027-05-12T18:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":11.04,"alt":4.59,"az":29.8,"t":"2027-05-12T18:55:00Z","terrain":1.12},{"above_terrain":true,"airmass":10.2,"alt":5.06,"az":30.6,"t":"2027-05-12T19:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":9.46,"alt":5.54,"az":31.3,"t":"2027-05-12T19:05:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.8,"alt":6.03,"az":32.1,"t":"2027-05-12T19:10:00Z","terrain":1.31},{"above_terrain":true,"airmass":8.21,"alt":6.54,"az":32.8,"t":"2027-05-12T19:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":7.68,"alt":7.05,"az":33.6,"t":"2027-05-12T19:20:00Z","terrain":0.68},{"above_terrain":true,"airmass":7.21,"alt":7.57,"az":34.3,"t":"2027-05-12T19:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":6.78,"alt":8.1,"az":35.0,"t":"2027-05-12T19:30:00Z","terrain":0.05},{"above_terrain":true,"airmass":6.39,"alt":8.64,"az":35.7,"t":"2027-05-12T19:35:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.04,"alt":9.2,"az":36.4,"t":"2027-05-12T19:40:00Z","terrain":-0.02},{"above_terrain":true,"airmass":5.72,"alt":9.76,"az":37.2,"t":"2027-05-12T19:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":5.42,"alt":10.33,"az":37.9,"t":"2027-05-12T19:50:00Z","terrain":-0.19},{"above_terrain":true,"airmass":5.15,"alt":10.91,"az":38.6,"t":"2027-05-12T19:55:00Z","terrain":-0.18},{"above_terrain":true,"airmass":4.9,"alt":11.49,"az":39.2,"t":"2027-05-12T20:00:00Z","terrain":-0.13},{"above_terrain":true,"airmass":4.68,"alt":12.09,"az":39.9,"t":"2027-05-12T20:05:00Z","terrain":-0.06},{"above_terrain":true,"airmass":4.47,"alt":12.69,"az":40.6,"t":"2027-05-12T20:10:00Z","terrain":-0.01},{"above_terrain":true,"airmass":4.27,"alt":13.31,"az":41.3,"t":"2027-05-12T20:15:00Z","terrain":0.05},{"above_terrain":true,"airmass":4.09,"alt":13.93,"az":41.9,"t":"2027-05-12T20:20:00Z","terrain":0.11},{"above_terrain":true,"airmass":3.92,"alt":14.56,"az":42.6,"t":"2027-05-12T20:25:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.77,"alt":15.2,"az":43.2,"t":"2027-05-12T20:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":3.62,"alt":15.84,"az":43.9,"t":"2027-05-12T20:35:00Z","terrain":0.39},{"above_terrain":true,"airmass":3.48,"alt":16.49,"az":44.5,"t":"2027-05-12T20:40:00Z","terrain":0.5},{"above_terrain":true,"airmass":3.36,"alt":17.15,"az":45.2,"t":"2027-05-12T20:45:00Z","terrain":0.59},{"above_terrain":true,"airmass":3.24,"alt":17.82,"az":45.8,"t":"2027-05-12T20:50:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.13,"alt":18.5,"az":46.4,"t":"2027-05-12T20:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.02,"alt":19.18,"az":47.0,"t":"2027-05-12T21:00:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.92,"alt":19.87,"az":47.6,"t":"2027-05-12T21:05:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.83,"alt":20.56,"az":48.2,"t":"2027-05-12T21:10:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.74,"alt":21.26,"az":48.8,"t":"2027-05-12T21:15:00Z","terrain":0.43},{"above_terrain":true,"airmass":2.66,"alt":21.97,"az":49.4,"t":"2027-05-12T21:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.58,"alt":22.68,"az":50.0,"t":"2027-05-12T21:25:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.51,"alt":23.4,"az":50.6,"t":"2027-05-12T21:30:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.43,"alt":24.13,"az":51.2,"t":"2027-05-12T21:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.37,"alt":24.86,"az":51.7,"t":"2027-05-12T21:40:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.3,"alt":25.6,"az":52.3,"t":"2027-05-12T21:45:00Z","terrain":0.69},{"above_terrain":true,"airmass":2.24,"alt":26.34,"az":52.9,"t":"2027-05-12T21:50:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.19,"alt":27.09,"az":53.4,"t":"2027-05-12T21:55:00Z","terrain":0.9},{"above_terrain":true,"airmass":2.13,"alt":27.85,"az":54.0,"t":"2027-05-12T22:00:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.08,"alt":28.61,"az":54.5,"t":"2027-05-12T22:05:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.03,"alt":29.37,"az":55.0,"t":"2027-05-12T22:10:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.99,"alt":30.14,"az":55.6,"t":"2027-05-12T22:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.94,"alt":30.91,"az":56.1,"t":"2027-05-12T22:20:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.9,"alt":31.69,"az":56.6,"t":"2027-05-12T22:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.86,"alt":32.48,"az":57.1,"t":"2027-05-12T22:30:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.82,"alt":33.26,"az":57.6,"t":"2027-05-12T22:35:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.78,"alt":34.06,"az":58.1,"t":"2027-05-12T22:40:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.75,"alt":34.85,"az":58.6,"t":"2027-05-12T22:45:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.71,"alt":35.65,"az":59.1,"t":"2027-05-12T22:50:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.68,"alt":36.46,"az":59.6,"t":"2027-05-12T22:55:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.65,"alt":37.27,"az":60.1,"t":"2027-05-12T23:00:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.62,"alt":38.08,"az":60.6,"t":"2027-05-12T23:05:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.59,"alt":38.9,"az":61.0,"t":"2027-05-12T23:10:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.56,"alt":39.72,"az":61.5,"t":"2027-05-12T23:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.54,"alt":40.54,"az":61.9,"t":"2027-05-12T23:20:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.51,"alt":41.37,"az":62.4,"t":"2027-05-12T23:25:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.49,"alt":42.2,"az":62.8,"t":"2027-05-12T23:30:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.46,"alt":43.04,"az":63.3,"t":"2027-05-12T23:35:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.44,"alt":43.87,"az":63.7,"t":"2027-05-12T23:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.42,"alt":44.72,"az":64.2,"t":"2027-05-12T23:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.4,"alt":45.56,"az":64.6,"t":"2027-05-12T23:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.38,"alt":46.41,"az":65.0,"t":"2027-05-12T23:55:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.36,"alt":47.26,"az":65.4,"t":"2027-05-13T00:00:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.34,"alt":48.11,"az":65.8,"t":"2027-05-13T00:05:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.32,"alt":48.96,"az":66.2,"t":"2027-05-13T00:10:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.31,"alt":49.82,"az":66.6,"t":"2027-05-13T00:15:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.29,"alt":50.68,"az":67.0,"t":"2027-05-13T00:20:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.28,"alt":51.55,"az":67.4,"t":"2027-05-13T00:25:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.26,"alt":52.41,"az":67.8,"t":"2027-05-13T00:30:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.25,"alt":53.28,"az":68.2,"t":"2027-05-13T00:35:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.15,"az":68.5,"t":"2027-05-13T00:40:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.22,"alt":55.02,"az":68.9,"t":"2027-05-13T00:45:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.21,"alt":55.89,"az":69.2,"t":"2027-05-13T00:50:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.19,"alt":56.77,"az":69.6,"t":"2027-05-13T00:55:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.18,"alt":57.65,"az":69.9,"t":"2027-05-13T01:00:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.17,"alt":58.53,"az":70.2,"t":"2027-05-13T01:05:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.41,"az":70.5,"t":"2027-05-13T01:10:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.29,"az":70.8,"t":"2027-05-13T01:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.18,"az":71.1,"t":"2027-05-13T01:20:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.13,"alt":62.06,"az":71.4,"t":"2027-05-13T01:25:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":62.95,"az":71.7,"t":"2027-05-13T01:30:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":63.84,"az":71.9,"t":"2027-05-13T01:35:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.11,"alt":64.73,"az":72.1,"t":"2027-05-13T01:40:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.1,"alt":65.62,"az":72.4,"t":"2027-05-13T01:45:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.09,"alt":66.52,"az":72.6,"t":"2027-05-13T01:50:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.08,"alt":67.41,"az":72.7,"t":"2027-05-13T01:55:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.08,"alt":68.3,"az":72.9,"t":"2027-05-13T02:00:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.07,"alt":69.2,"az":73.0,"t":"2027-05-13T02:05:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.06,"alt":70.09,"az":73.1,"t":"2027-05-13T02:10:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.06,"alt":70.99,"az":73.2,"t":"2027-05-13T02:15:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.05,"alt":71.89,"az":73.2,"t":"2027-05-13T02:20:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.05,"alt":72.78,"az":73.2,"t":"2027-05-13T02:25:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.04,"alt":73.68,"az":73.1,"t":"2027-05-13T02:30:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.04,"alt":74.57,"az":73.0,"t":"2027-05-13T02:35:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.03,"alt":75.47,"az":72.8,"t":"2027-05-13T02:40:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.03,"alt":76.36,"az":72.5,"t":"2027-05-13T02:45:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.02,"alt":77.25,"az":72.2,"t":"2027-05-13T02:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.02,"alt":78.14,"az":71.7,"t":"2027-05-13T02:55:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.02,"alt":79.03,"az":71.0,"t":"2027-05-13T03:00:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.02,"alt":79.91,"az":70.2,"t":"2027-05-13T03:05:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.01,"alt":80.79,"az":69.1,"t":"2027-05-13T03:10:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.01,"alt":81.66,"az":67.7,"t":"2027-05-13T03:15:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.01,"alt":82.52,"az":65.9,"t":"2027-05-13T03:20:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.01,"alt":83.37,"az":63.5,"t":"2027-05-13T03:25:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.0,"alt":84.19,"az":60.2,"t":"2027-05-13T03:30:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.0,"alt":84.99,"az":55.8,"t":"2027-05-13T03:35:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.0,"alt":85.73,"az":49.7,"t":"2027-05-13T03:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.0,"alt":86.4,"az":40.9,"t":"2027-05-13T03:45:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.0,"alt":86.94,"az":28.5,"t":"2027-05-13T03:50:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.0,"alt":87.27,"az":11.9,"t":"2027-05-13T03:55:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.0,"alt":87.31,"az":353.0,"t":"2027-05-13T04:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":87.05,"az":335.4,"t":"2027-05-13T04:05:00Z","terrain":-0.7},{"above_terrain":true,"airmass":1.0,"alt":86.56,"az":321.9,"t":"2027-05-13T04:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.0,"alt":85.92,"az":312.3,"t":"2027-05-13T04:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.0,"alt":85.19,"az":305.6,"t":"2027-05-13T04:20:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.0,"alt":84.4,"az":300.8,"t":"2027-05-13T04:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.01,"alt":83.59,"az":297.3,"t":"2027-05-13T04:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.01,"alt":82.74,"az":294.7,"t":"2027-05-13T04:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.01,"alt":81.89,"az":292.7,"t":"2027-05-13T04:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.01,"alt":81.02,"az":291.2,"t":"2027-05-13T04:45:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.01,"alt":80.14,"az":290.1,"t":"2027-05-13T04:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.02,"alt":79.26,"az":289.2,"t":"2027-05-13T04:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.02,"alt":78.38,"az":288.5,"t":"2027-05-13T05:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.02,"alt":77.49,"az":288.0,"t":"2027-05-13T05:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":76.6,"az":287.6,"t":"2027-05-13T05:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.03,"alt":75.7,"az":287.3,"t":"2027-05-13T05:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.04,"alt":74.81,"az":287.0,"t":"2027-05-13T05:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.04,"alt":73.91,"az":286.9,"t":"2027-05-13T05:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.05,"alt":73.02,"az":286.8,"t":"2027-05-13T05:30:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.05,"alt":72.12,"az":286.8,"t":"2027-05-13T05:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":71.22,"az":286.8,"t":"2027-05-13T05:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":70.33,"az":286.9,"t":"2027-05-13T05:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.07,"alt":69.43,"az":287.0,"t":"2027-05-13T05:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.07,"alt":68.54,"az":287.1,"t":"2027-05-13T05:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.08,"alt":67.64,"az":287.2,"t":"2027-05-13T06:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.09,"alt":66.75,"az":287.4,"t":"2027-05-13T06:05:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.1,"alt":65.86,"az":287.6,"t":"2027-05-13T06:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.1,"alt":64.97,"az":287.8,"t":"2027-05-13T06:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.11,"alt":64.08,"az":288.0,"t":"2027-05-13T06:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.19,"az":288.3,"t":"2027-05-13T06:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":62.3,"az":288.5,"t":"2027-05-13T06:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.41,"az":288.8,"t":"2027-05-13T06:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.53,"az":289.1,"t":"2027-05-13T06:40:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.16,"alt":59.64,"az":289.4,"t":"2027-05-13T06:45:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.17,"alt":58.76,"az":289.7,"t":"2027-05-13T06:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.18,"alt":57.88,"az":290.0,"t":"2027-05-13T06:55:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.19,"alt":57.0,"az":290.3,"t":"2027-05-13T07:00:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.2,"alt":56.12,"az":290.7,"t":"2027-05-13T07:05:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.22,"alt":55.25,"az":291.0,"t":"2027-05-13T07:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.23,"alt":54.38,"az":291.4,"t":"2027-05-13T07:15:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.24,"alt":53.51,"az":291.7,"t":"2027-05-13T07:20:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.26,"alt":52.64,"az":292.1,"t":"2027-05-13T07:25:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.27,"alt":51.77,"az":292.5,"t":"2027-05-13T07:30:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.29,"alt":50.91,"az":292.9,"t":"2027-05-13T07:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.3,"alt":50.05,"az":293.3,"t":"2027-05-13T07:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.19,"az":293.7,"t":"2027-05-13T07:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.34,"alt":48.33,"az":294.1,"t":"2027-05-13T07:50:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.36,"alt":47.48,"az":294.5,"t":"2027-05-13T07:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":46.63,"az":294.9,"t":"2027-05-13T08:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":45.78,"az":295.3,"t":"2027-05-13T08:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.41,"alt":44.94,"az":295.7,"t":"2027-05-13T08:10:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.44,"alt":44.1,"az":296.2,"t":"2027-05-13T08:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.46,"alt":43.26,"az":296.6,"t":"2027-05-13T08:20:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.48,"alt":42.42,"az":297.0,"t":"2027-05-13T08:25:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.5,"alt":41.59,"az":297.5,"t":"2027-05-13T08:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.53,"alt":40.76,"az":297.9,"t":"2027-05-13T08:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.56,"alt":39.94,"az":298.4,"t":"2027-05-13T08:40:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.58,"alt":39.11,"az":298.9,"t":"2027-05-13T08:45:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.61,"alt":38.3,"az":299.3,"t":"2027-05-13T08:50:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.64,"alt":37.48,"az":299.8,"t":"2027-05-13T08:55:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.67,"alt":36.67,"az":300.3,"t":"2027-05-13T09:00:00Z","terrain":0.36}],"transit":{"airmass":1.0,"alt":87.3,"az":353.0,"t":"2027-05-13T04:00:00Z"},"usable_hours":4.0,"verdict":"marginal","zenith_passage":true},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}