{"assessment":{"best_window":{"end":"2027-07-19T01:05Z","end_local":"04:05","hours":1.92,"label":"good","mean_quality":0.66,"start":"2027-07-18T23:10Z","start_local":"02:10"},"cost":{"altitude":3.43,"clouds":0.0,"darkness":1.5,"moon":0.64},"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 barely \u2014 weather unknown","hourly":[{"alt":-13,"cloud":null,"high":null,"iso":"2027-07-18T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":-8,"cloud":null,"high":null,"iso":"2027-07-18T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"22:00","wind":null},{"alt":0,"cloud":null,"high":null,"iso":"2027-07-18T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":16,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":8,"cloud":null,"high":null,"iso":"2027-07-18T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":22,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":18,"cloud":null,"high":null,"iso":"2027-07-18T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":29,"cloud":null,"high":null,"iso":"2027-07-18T23:00Z","label":"marginal","low":null,"mid":null,"moon_alt":26,"precip":null,"q":0.56,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":40,"cloud":null,"high":null,"iso":"2027-07-19T00:00Z","label":"good","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.66,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":51,"cloud":null,"high":null,"iso":"2027-07-19T01:00Z","label":"good","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.72,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":62,"cloud":null,"high":null,"iso":"2027-07-19T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":12,"precip":null,"q":0.12,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null},{"alt":72,"cloud":null,"high":null,"iso":"2027-07-19T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":4,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.72,"peak_sky":0.72,"quality_hours":2.06,"reasons":["the target being low or below 20\u00b0 cost 3.4 quality-hours","daylight and twilight cost 1.5 quality-hours","moonlight cost 0.6 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":37,"score_weather":null,"sky_hours":2.06,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2027-07-18T22:15Z","end_local":"01:15","hours":4.42,"label":"unusable","mean_quality":0.0,"start":"2027-07-18T17:50Z","start_local":"20:50"},{"end":"2027-07-18T23:10Z","end_local":"02:10","hours":0.92,"label":"marginal","mean_quality":0.45,"start":"2027-07-18T22:15Z","start_local":"01:15"},{"end":"2027-07-19T01:05Z","end_local":"04:05","hours":1.92,"label":"good","mean_quality":0.66,"start":"2027-07-18T23:10Z","start_local":"02:10"},{"end":"2027-07-19T01:50Z","end_local":"04:50","hours":0.75,"label":"marginal","mean_quality":0.38,"start":"2027-07-19T01:05Z","start_local":"04:05"},{"end":"2027-07-19T02:35Z","end_local":"05:35","hours":0.75,"label":"poor","mean_quality":0.12,"start":"2027-07-19T01:50Z","start_local":"04:50"},{"end":"2027-07-19T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2027-07-19T02:35Z","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":"2027-07-18T19:53:55Z","dark_hours":5.12,"dark_to":"2027-07-19T01:01:04Z","moon":{"illumination":0.999,"phase":"full moon","waxing":false},"moon_free_dark_hours":0.0,"moonrise":"2027-07-18T18:04:12Z","moonset":"2027-07-19T03:24:55Z","sunrise":"2027-07-19T03:02:44Z","sunset":"2027-07-18T17:52:16Z","twilight":{"astronomical":{"end":"2027-07-18T19:53:55Z","start":"2027-07-19T01:01:04Z"},"civil":{"end":"2027-07-18T18:25:00Z","start":"2027-07-19T02:30:00Z"},"nautical":{"end":"2027-07-18T19:06:18Z","start":"2027-07-19T01:48:42Z"}},"window_end":"2027-07-19T09:00:00Z","window_start":"2027-07-18T09:00:00Z"},"night_date":"2027-07-18","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.29,"alt":50.7,"t":"2027-07-19T01:00:00Z"},"dec":30.66017511,"dec_of_date":30.8006,"dec_str":"+30\u00b0 39' 36.6\"","good_hours":1.92,"limit_rise":"2027-07-18T22:10:59Z","limit_set":"2027-07-18T10:11:56Z","max_az_rate_deg_per_min":1.14,"moon_separation":94.3,"never_rises":false,"ra":23.46206906,"ra_of_date":23.8516,"ra_str":"01h 33m 50.9s","resolved":{"common_name":"Triangulum Pinwheel","dec":30.66017511,"morphology":"SA(s)cd","name":"M 33","ra":23.46206906,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M33","source":"sesame","type":"GiG","type_text":"galaxy in a group","vmag":5.72},"summary":"Only 1.9 h above 30\u00b0, 2.8 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2027-07-18T12:18:23Z","blocked_dark_hours":0,"clears_at":"2027-07-18T20:06:45Z","rise_az":284.1},"track":[{"above_terrain":true,"airmass":1.85,"alt":32.72,"az":284.1,"t":"2027-07-18T09:00:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.89,"alt":31.81,"az":284.7,"t":"2027-07-18T09:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.94,"alt":30.91,"az":285.4,"t":"2027-07-18T09:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.99,"alt":30.01,"az":286.1,"t":"2027-07-18T09:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.05,"alt":29.11,"az":286.8,"t":"2027-07-18T09:20:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.11,"alt":28.22,"az":287.5,"t":"2027-07-18T09:25:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.17,"alt":27.32,"az":288.2,"t":"2027-07-18T09:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.24,"alt":26.44,"az":288.8,"t":"2027-07-18T09:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.31,"alt":25.55,"az":289.5,"t":"2027-07-18T09:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.38,"alt":24.67,"az":290.2,"t":"2027-07-18T09:45:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.47,"alt":23.8,"az":290.9,"t":"2027-07-18T09:50:00Z","terrain":0.47},{"above_terrain":true,"airmass":2.55,"alt":22.92,"az":291.6,"t":"2027-07-18T09:55:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.65,"alt":22.06,"az":292.3,"t":"2027-07-18T10:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.75,"alt":21.19,"az":293.0,"t":"2027-07-18T10:05:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.86,"alt":20.33,"az":293.7,"t":"2027-07-18T10:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":2.98,"alt":19.48,"az":294.4,"t":"2027-07-18T10:15:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.1,"alt":18.63,"az":295.0,"t":"2027-07-18T10:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.24,"alt":17.78,"az":295.8,"t":"2027-07-18T10:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":3.4,"alt":16.94,"az":296.5,"t":"2027-07-18T10:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.56,"alt":16.11,"az":297.2,"t":"2027-07-18T10:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":3.75,"alt":15.28,"az":297.9,"t":"2027-07-18T10:40:00Z","terrain":0.14},{"above_terrain":true,"airmass":3.95,"alt":14.45,"az":298.6,"t":"2027-07-18T10:45:00Z","terrain":0.15},{"above_terrain":true,"airmass":4.17,"alt":13.63,"az":299.3,"t":"2027-07-18T10:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":4.42,"alt":12.82,"az":300.0,"t":"2027-07-18T10:55:00Z","terrain":0.37},{"above_terrain":true,"airmass":4.7,"alt":12.01,"az":300.8,"t":"2027-07-18T11:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.02,"alt":11.21,"az":301.5,"t":"2027-07-18T11:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":5.38,"alt":10.42,"az":302.2,"t":"2027-07-18T11:10:00Z","terrain":0.01},{"above_terrain":true,"airmass":5.79,"alt":9.63,"az":303.0,"t":"2027-07-18T11:15:00Z","terrain":-0.23},{"above_terrain":true,"airmass":6.26,"alt":8.85,"az":303.7,"t":"2027-07-18T11:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":6.8,"alt":8.07,"az":304.5,"t":"2027-07-18T11:25:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.44,"alt":7.3,"az":305.3,"t":"2027-07-18T11:30:00Z","terrain":-0.26},{"above_terrain":true,"airmass":8.2,"alt":6.54,"az":306.0,"t":"2027-07-18T11:35:00Z","terrain":-0.16},{"above_terrain":true,"airmass":9.12,"alt":5.79,"az":306.8,"t":"2027-07-18T11:40:00Z","terrain":0.11},{"above_terrain":true,"airmass":10.23,"alt":5.04,"az":307.6,"t":"2027-07-18T11:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":11.62,"alt":4.31,"az":308.4,"t":"2027-07-18T11:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":13.38,"alt":3.58,"az":309.2,"t":"2027-07-18T11:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":15.66,"alt":2.85,"az":310.0,"t":"2027-07-18T12:00:00Z","terrain":0.22},{"above_terrain":true,"airmass":18.71,"alt":2.14,"az":310.8,"t":"2027-07-18T12:05:00Z","terrain":0.33},{"above_terrain":true,"airmass":22.88,"alt":1.44,"az":311.6,"t":"2027-07-18T12:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":28.76,"alt":0.74,"az":312.4,"t":"2027-07-18T12:15:00Z","terrain":0.19},{"above_terrain":false,"airmass":37.13,"alt":0.05,"az":313.2,"t":"2027-07-18T12:20:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-0.62,"az":314.1,"t":"2027-07-18T12:25:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.29,"az":314.9,"t":"2027-07-18T12:30:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-1.95,"az":315.8,"t":"2027-07-18T12:35:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-2.6,"az":316.6,"t":"2027-07-18T12:40:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-3.23,"az":317.5,"t":"2027-07-18T12:45:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":318.4,"t":"2027-07-18T12:50:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-4.48,"az":319.3,"t":"2027-07-18T12:55:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-5.08,"az":320.1,"t":"2027-07-18T13:00:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-5.68,"az":321.0,"t":"2027-07-18T13:05:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-6.26,"az":322.0,"t":"2027-07-18T13:10:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":322.9,"t":"2027-07-18T13:15:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-7.39,"az":323.8,"t":"2027-07-18T13:20:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-7.94,"az":324.7,"t":"2027-07-18T13:25:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-8.47,"az":325.7,"t":"2027-07-18T13:30:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-8.99,"az":326.6,"t":"2027-07-18T13:35:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-9.5,"az":327.6,"t":"2027-07-18T13:40:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-9.99,"az":328.6,"t":"2027-07-18T13:45:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-10.48,"az":329.5,"t":"2027-07-18T13:50:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-10.94,"az":330.5,"t":"2027-07-18T13:55:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-11.4,"az":331.5,"t":"2027-07-18T14:00:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-11.84,"az":332.5,"t":"2027-07-18T14:05:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-12.26,"az":333.5,"t":"2027-07-18T14:10:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-12.67,"az":334.6,"t":"2027-07-18T14:15:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-13.06,"az":335.6,"t":"2027-07-18T14:20:00Z","terrain":-0.73},{"above_terrain":false,"airmass":null,"alt":-13.44,"az":336.6,"t":"2027-07-18T14:25:00Z","terrain":-0.77},{"above_terrain":false,"airmass":null,"alt":-13.81,"az":337.7,"t":"2027-07-18T14:30:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-14.15,"az":338.7,"t":"2027-07-18T14:35:00Z","terrain":-0.67},{"above_terrain":false,"airmass":null,"alt":-14.49,"az":339.8,"t":"2027-07-18T14:40:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-14.8,"az":340.8,"t":"2027-07-18T14:45:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-15.1,"az":341.9,"t":"2027-07-18T14:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-15.38,"az":343.0,"t":"2027-07-18T14:55:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-15.65,"az":344.1,"t":"2027-07-18T15:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-15.9,"az":345.2,"t":"2027-07-18T15:05:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-16.13,"az":346.3,"t":"2027-07-18T15:10:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-16.34,"az":347.4,"t":"2027-07-18T15:15:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-16.54,"az":348.5,"t":"2027-07-18T15:20:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-16.71,"az":349.6,"t":"2027-07-18T15:25:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-16.87,"az":350.7,"t":"2027-07-18T15:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-17.02,"az":351.8,"t":"2027-07-18T15:35:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-17.14,"az":352.9,"t":"2027-07-18T15:40:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-17.25,"az":354.0,"t":"2027-07-18T15:45:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-17.34,"az":355.2,"t":"2027-07-18T15:50:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-17.41,"az":356.3,"t":"2027-07-18T15:55:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-17.46,"az":357.4,"t":"2027-07-18T16:00:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-17.49,"az":358.5,"t":"2027-07-18T16:05:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-17.51,"az":359.7,"t":"2027-07-18T16:10:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-17.5,"az":0.8,"t":"2027-07-18T16:15:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-17.48,"az":1.9,"t":"2027-07-18T16:20:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-17.44,"az":3.1,"t":"2027-07-18T16:25:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-17.38,"az":4.2,"t":"2027-07-18T16:30:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-17.3,"az":5.3,"t":"2027-07-18T16:35:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-17.21,"az":6.4,"t":"2027-07-18T16:40:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-17.09,"az":7.5,"t":"2027-07-18T16:45:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-16.96,"az":8.7,"t":"2027-07-18T16:50:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-16.81,"az":9.8,"t":"2027-07-18T16:55:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-16.64,"az":10.9,"t":"2027-07-18T17:00:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-16.46,"az":12.0,"t":"2027-07-18T17:05:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-16.25,"az":13.1,"t":"2027-07-18T17:10:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-16.03,"az":14.2,"t":"2027-07-18T17:15:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-15.79,"az":15.3,"t":"2027-07-18T17:20:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-15.54,"az":16.4,"t":"2027-07-18T17:25:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-15.27,"az":17.5,"t":"2027-07-18T17:30:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-14.98,"az":18.5,"t":"2027-07-18T17:35:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-14.67,"az":19.6,"t":"2027-07-18T17:40:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-14.35,"az":20.7,"t":"2027-07-18T17:45:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-14.01,"az":21.7,"t":"2027-07-18T17:50:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-13.66,"az":22.8,"t":"2027-07-18T17:55:00Z","terrain":1.12},{"above_terrain":false,"airmass":null,"alt":-13.29,"az":23.8,"t":"2027-07-18T18:00:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-12.9,"az":24.8,"t":"2027-07-18T18:05:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-12.5,"az":25.9,"t":"2027-07-18T18:10:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-12.09,"az":26.9,"t":"2027-07-18T18:15:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-11.66,"az":27.9,"t":"2027-07-18T18:20:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-11.21,"az":28.9,"t":"2027-07-18T18:25:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-10.75,"az":29.9,"t":"2027-07-18T18:30:00Z","terrain":1.13},{"above_terrain":false,"airmass":null,"alt":-10.28,"az":30.9,"t":"2027-07-18T18:35:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-9.79,"az":31.8,"t":"2027-07-18T18:40:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-9.29,"az":32.8,"t":"2027-07-18T18:45:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-8.78,"az":33.8,"t":"2027-07-18T18:50:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-8.25,"az":34.7,"t":"2027-07-18T18:55:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-7.71,"az":35.6,"t":"2027-07-18T19:00:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-7.16,"az":36.6,"t":"2027-07-18T19:05:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-6.6,"az":37.5,"t":"2027-07-18T19:10:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-6.02,"az":38.4,"t":"2027-07-18T19:15:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-5.43,"az":39.3,"t":"2027-07-18T19:20:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-4.84,"az":40.2,"t":"2027-07-18T19:25:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-4.23,"az":41.1,"t":"2027-07-18T19:30:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-3.6,"az":42.0,"t":"2027-07-18T19:35:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-2.97,"az":42.9,"t":"2027-07-18T19:40:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-2.33,"az":43.7,"t":"2027-07-18T19:45:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-1.68,"az":44.6,"t":"2027-07-18T19:50:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-1.02,"az":45.4,"t":"2027-07-18T19:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-0.35,"az":46.3,"t":"2027-07-18T20:00:00Z","terrain":0.65},{"above_terrain":false,"airmass":33.32,"alt":0.34,"az":47.1,"t":"2027-07-18T20:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":26.08,"alt":1.03,"az":47.9,"t":"2027-07-18T20:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":20.99,"alt":1.73,"az":48.8,"t":"2027-07-18T20:15:00Z","terrain":0.44},{"above_terrain":true,"airmass":17.34,"alt":2.43,"az":49.6,"t":"2027-07-18T20:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":14.65,"alt":3.15,"az":50.4,"t":"2027-07-18T20:25:00Z","terrain":0.45},{"above_terrain":true,"airmass":12.6,"alt":3.88,"az":51.2,"t":"2027-07-18T20:30:00Z","terrain":0.55},{"above_terrain":true,"airmass":11.01,"alt":4.61,"az":52.0,"t":"2027-07-18T20:35:00Z","terrain":0.63},{"above_terrain":true,"airmass":9.74,"alt":5.35,"az":52.7,"t":"2027-07-18T20:40:00Z","terrain":0.79},{"above_terrain":true,"airmass":8.72,"alt":6.1,"az":53.5,"t":"2027-07-18T20:45:00Z","terrain":0.92},{"above_terrain":true,"airmass":7.87,"alt":6.86,"az":54.3,"t":"2027-07-18T20:50:00Z","terrain":1.02},{"above_terrain":true,"airmass":7.17,"alt":7.62,"az":55.1,"t":"2027-07-18T20:55:00Z","terrain":1.08},{"above_terrain":true,"airmass":6.57,"alt":8.39,"az":55.8,"t":"2027-07-18T21:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":6.05,"alt":9.17,"az":56.6,"t":"2027-07-18T21:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":5.61,"alt":9.95,"az":57.3,"t":"2027-07-18T21:10:00Z","terrain":1.13},{"above_terrain":true,"airmass":5.22,"alt":10.74,"az":58.1,"t":"2027-07-18T21:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":4.89,"alt":11.54,"az":58.8,"t":"2027-07-18T21:20:00Z","terrain":1.22},{"above_terrain":true,"airmass":4.59,"alt":12.34,"az":59.5,"t":"2027-07-18T21:25:00Z","terrain":1.19},{"above_terrain":true,"airmass":4.32,"alt":13.15,"az":60.3,"t":"2027-07-18T21:30:00Z","terrain":1.15},{"above_terrain":true,"airmass":4.08,"alt":13.97,"az":61.0,"t":"2027-07-18T21:35:00Z","terrain":1.09},{"above_terrain":true,"airmass":3.86,"alt":14.79,"az":61.7,"t":"2027-07-18T21:40:00Z","terrain":1.03},{"above_terrain":true,"airmass":3.67,"alt":15.62,"az":62.4,"t":"2027-07-18T21:45:00Z","terrain":0.97},{"above_terrain":true,"airmass":3.49,"alt":16.45,"az":63.1,"t":"2027-07-18T21:50:00Z","terrain":0.89},{"above_terrain":true,"airmass":3.33,"alt":17.29,"az":63.8,"t":"2027-07-18T21:55:00Z","terrain":0.79},{"above_terrain":true,"airmass":3.19,"alt":18.13,"az":64.5,"t":"2027-07-18T22:00:00Z","terrain":0.77},{"above_terrain":true,"airmass":3.05,"alt":18.98,"az":65.2,"t":"2027-07-18T22:05:00Z","terrain":0.78},{"above_terrain":true,"airmass":2.93,"alt":19.83,"az":65.9,"t":"2027-07-18T22:10:00Z","terrain":0.83},{"above_terrain":true,"airmass":2.81,"alt":20.69,"az":66.6,"t":"2027-07-18T22:15:00Z","terrain":0.89},{"above_terrain":true,"airmass":2.71,"alt":21.55,"az":67.3,"t":"2027-07-18T22:20:00Z","terrain":0.95},{"above_terrain":true,"airmass":2.61,"alt":22.41,"az":68.0,"t":"2027-07-18T22:25:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.52,"alt":23.28,"az":68.7,"t":"2027-07-18T22:30:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.43,"alt":24.16,"az":69.4,"t":"2027-07-18T22:35:00Z","terrain":1.12},{"above_terrain":true,"airmass":2.35,"alt":25.04,"az":70.1,"t":"2027-07-18T22:40:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.28,"alt":25.92,"az":70.8,"t":"2027-07-18T22:45:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.21,"alt":26.8,"az":71.4,"t":"2027-07-18T22:50:00Z","terrain":1.23},{"above_terrain":true,"airmass":2.14,"alt":27.69,"az":72.1,"t":"2027-07-18T22:55:00Z","terrain":1.17},{"above_terrain":true,"airmass":2.08,"alt":28.58,"az":72.8,"t":"2027-07-18T23:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.03,"alt":29.48,"az":73.5,"t":"2027-07-18T23:05:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.97,"alt":30.38,"az":74.2,"t":"2027-07-18T23:10:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.92,"alt":31.28,"az":74.9,"t":"2027-07-18T23:15:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.87,"alt":32.19,"az":75.5,"t":"2027-07-18T23:20:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.83,"alt":33.09,"az":76.2,"t":"2027-07-18T23:25:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.78,"alt":34.0,"az":76.9,"t":"2027-07-18T23:30:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.74,"alt":34.92,"az":77.6,"t":"2027-07-18T23:35:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.7,"alt":35.83,"az":78.3,"t":"2027-07-18T23:40:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.67,"alt":36.75,"az":79.0,"t":"2027-07-18T23:45:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.63,"alt":37.67,"az":79.7,"t":"2027-07-18T23:50:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.6,"alt":38.59,"az":80.4,"t":"2027-07-18T23:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.57,"alt":39.52,"az":81.1,"t":"2027-07-19T00:00:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.54,"alt":40.44,"az":81.8,"t":"2027-07-19T00:05:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.51,"alt":41.37,"az":82.6,"t":"2027-07-19T00:10:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.48,"alt":42.3,"az":83.3,"t":"2027-07-19T00:15:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.46,"alt":43.23,"az":84.0,"t":"2027-07-19T00:20:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.43,"alt":44.16,"az":84.8,"t":"2027-07-19T00:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.41,"alt":45.09,"az":85.5,"t":"2027-07-19T00:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":46.03,"az":86.3,"t":"2027-07-19T00:35:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.37,"alt":46.96,"az":87.1,"t":"2027-07-19T00:40:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.35,"alt":47.89,"az":87.9,"t":"2027-07-19T00:45:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.33,"alt":48.83,"az":88.7,"t":"2027-07-19T00:50:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.31,"alt":49.77,"az":89.5,"t":"2027-07-19T00:55:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.29,"alt":50.7,"az":90.3,"t":"2027-07-19T01:00:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.27,"alt":51.64,"az":91.2,"t":"2027-07-19T01:05:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.26,"alt":52.57,"az":92.0,"t":"2027-07-19T01:10:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.24,"alt":53.51,"az":92.9,"t":"2027-07-19T01:15:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.23,"alt":54.44,"az":93.8,"t":"2027-07-19T01:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.21,"alt":55.38,"az":94.8,"t":"2027-07-19T01:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.2,"alt":56.31,"az":95.7,"t":"2027-07-19T01:30:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.19,"alt":57.24,"az":96.7,"t":"2027-07-19T01:35:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.18,"alt":58.17,"az":97.7,"t":"2027-07-19T01:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.16,"alt":59.09,"az":98.8,"t":"2027-07-19T01:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.15,"alt":60.02,"az":99.9,"t":"2027-07-19T01:50:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.14,"alt":60.94,"az":101.0,"t":"2027-07-19T01:55:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.13,"alt":61.85,"az":102.2,"t":"2027-07-19T02:00:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.12,"alt":62.77,"az":103.4,"t":"2027-07-19T02:05:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.12,"alt":63.67,"az":104.7,"t":"2027-07-19T02:10:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.11,"alt":64.58,"az":106.1,"t":"2027-07-19T02:15:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.1,"alt":65.47,"az":107.5,"t":"2027-07-19T02:20:00Z","terrain":-0.76},{"above_terrain":true,"airmass":1.09,"alt":66.36,"az":109.0,"t":"2027-07-19T02:25:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.08,"alt":67.24,"az":110.5,"t":"2027-07-19T02:30:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.08,"alt":68.11,"az":112.2,"t":"2027-07-19T02:35:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.07,"alt":68.98,"az":114.0,"t":"2027-07-19T02:40:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.06,"alt":69.82,"az":115.8,"t":"2027-07-19T02:45:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.06,"alt":70.66,"az":117.9,"t":"2027-07-19T02:50:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.05,"alt":71.48,"az":120.0,"t":"2027-07-19T02:55:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.05,"alt":72.28,"az":122.3,"t":"2027-07-19T03:00:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.04,"alt":73.06,"az":124.8,"t":"2027-07-19T03:05:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.04,"alt":73.82,"az":127.5,"t":"2027-07-19T03:10:00Z","terrain":-1.47},{"above_terrain":true,"airmass":1.04,"alt":74.54,"az":130.4,"t":"2027-07-19T03:15:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.03,"alt":75.24,"az":133.6,"t":"2027-07-19T03:20:00Z","terrain":-1.59},{"above_terrain":true,"airmass":1.03,"alt":75.9,"az":137.0,"t":"2027-07-19T03:25:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.03,"alt":76.51,"az":140.7,"t":"2027-07-19T03:30:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.03,"alt":77.08,"az":144.7,"t":"2027-07-19T03:35:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.02,"alt":77.59,"az":149.0,"t":"2027-07-19T03:40:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.02,"alt":78.04,"az":153.7,"t":"2027-07-19T03:45:00Z","terrain":-1.0},{"above_terrain":true,"airmass":1.02,"alt":78.42,"az":158.6,"t":"2027-07-19T03:50:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.02,"alt":78.72,"az":163.8,"t":"2027-07-19T03:55:00Z","terrain":-1.5},{"above_terrain":true,"airmass":1.02,"alt":78.94,"az":169.3,"t":"2027-07-19T04:00:00Z","terrain":-0.76},{"above_terrain":true,"airmass":1.02,"alt":79.07,"az":174.9,"t":"2027-07-19T04:05:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.02,"alt":79.11,"az":180.6,"t":"2027-07-19T04:10:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.02,"alt":79.05,"az":186.2,"t":"2027-07-19T04:15:00Z","terrain":-0.7},{"above_terrain":true,"airmass":1.02,"alt":78.9,"az":191.8,"t":"2027-07-19T04:20:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.02,"alt":78.67,"az":197.2,"t":"2027-07-19T04:25:00Z","terrain":-0.42},{"above_terrain":true,"airmass":1.02,"alt":78.35,"az":202.4,"t":"2027-07-19T04:30:00Z","terrain":-0.55},{"above_terrain":true,"airmass":1.02,"alt":77.96,"az":207.3,"t":"2027-07-19T04:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.02,"alt":77.5,"az":211.9,"t":"2027-07-19T04:40:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.03,"alt":76.97,"az":216.1,"t":"2027-07-19T04:45:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.03,"alt":76.4,"az":220.1,"t":"2027-07-19T04:50:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.03,"alt":75.77,"az":223.7,"t":"2027-07-19T04:55:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.03,"alt":75.1,"az":227.1,"t":"2027-07-19T05:00:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.04,"alt":74.4,"az":230.2,"t":"2027-07-19T05:05:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.04,"alt":73.67,"az":233.0,"t":"2027-07-19T05:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.05,"alt":72.91,"az":235.7,"t":"2027-07-19T05:15:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.05,"alt":72.12,"az":238.1,"t":"2027-07-19T05:20:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.06,"alt":71.32,"az":240.4,"t":"2027-07-19T05:25:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.06,"alt":70.5,"az":242.6,"t":"2027-07-19T05:30:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.07,"alt":69.66,"az":244.5,"t":"2027-07-19T05:35:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.07,"alt":68.81,"az":246.4,"t":"2027-07-19T05:40:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.08,"alt":67.94,"az":248.1,"t":"2027-07-19T05:45:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.09,"alt":67.07,"az":249.8,"t":"2027-07-19T05:50:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.09,"alt":66.19,"az":251.3,"t":"2027-07-19T05:55:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.1,"alt":65.3,"az":252.8,"t":"2027-07-19T06:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.11,"alt":64.4,"az":254.2,"t":"2027-07-19T06:05:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.12,"alt":63.49,"az":255.5,"t":"2027-07-19T06:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.13,"alt":62.59,"az":256.8,"t":"2027-07-19T06:15:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.14,"alt":61.67,"az":258.0,"t":"2027-07-19T06:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.15,"alt":60.75,"az":259.2,"t":"2027-07-19T06:25:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.16,"alt":59.83,"az":260.3,"t":"2027-07-19T06:30:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.17,"alt":58.91,"az":261.4,"t":"2027-07-19T06:35:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.18,"alt":57.98,"az":262.5,"t":"2027-07-19T06:40:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.19,"alt":57.05,"az":263.5,"t":"2027-07-19T06:45:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.2,"alt":56.12,"az":264.5,"t":"2027-07-19T06:50:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.22,"alt":55.19,"az":265.4,"t":"2027-07-19T06:55:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.23,"alt":54.26,"az":266.3,"t":"2027-07-19T07:00:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.25,"alt":53.32,"az":267.3,"t":"2027-07-19T07:05:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.26,"alt":52.39,"az":268.1,"t":"2027-07-19T07:10:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.28,"alt":51.45,"az":269.0,"t":"2027-07-19T07:15:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.29,"alt":50.52,"az":269.8,"t":"2027-07-19T07:20:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.31,"alt":49.58,"az":270.7,"t":"2027-07-19T07:25:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.33,"alt":48.64,"az":271.5,"t":"2027-07-19T07:30:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.35,"alt":47.71,"az":272.3,"t":"2027-07-19T07:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.37,"alt":46.77,"az":273.1,"t":"2027-07-19T07:40:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.39,"alt":45.84,"az":273.8,"t":"2027-07-19T07:45:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.41,"alt":44.91,"az":274.6,"t":"2027-07-19T07:50:00Z","terrain":0.04},{"above_terrain":true,"airmass":1.44,"alt":43.97,"az":275.4,"t":"2027-07-19T07:55:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.46,"alt":43.04,"az":276.1,"t":"2027-07-19T08:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.49,"alt":42.11,"az":276.8,"t":"2027-07-19T08:05:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.52,"alt":41.18,"az":277.6,"t":"2027-07-19T08:10:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.55,"alt":40.26,"az":278.3,"t":"2027-07-19T08:15:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.58,"alt":39.33,"az":279.0,"t":"2027-07-19T08:20:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.61,"alt":38.41,"az":279.7,"t":"2027-07-19T08:25:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.64,"alt":37.49,"az":280.4,"t":"2027-07-19T08:30:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.68,"alt":36.57,"az":281.1,"t":"2027-07-19T08:35:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.71,"alt":35.65,"az":281.8,"t":"2027-07-19T08:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.75,"alt":34.74,"az":282.5,"t":"2027-07-19T08:45:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.79,"alt":33.82,"az":283.2,"t":"2027-07-19T08:50:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.84,"alt":32.91,"az":283.9,"t":"2027-07-19T08:55:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.88,"alt":32.01,"az":284.6,"t":"2027-07-19T09:00:00Z","terrain":0.19}],"transit":{"airmass":1.02,"alt":79.1,"az":180.6,"t":"2027-07-19T04:10:00Z"},"usable_hours":2.83,"verdict":"marginal","zenith_passage":false},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}