{"assessment":{"best_window":{"end":"2031-07-19T01:05Z","end_local":"04:05","hours":3.83,"label":"good","mean_quality":0.88,"start":"2031-07-18T21:15Z","start_local":"00:15"},"cost":{"altitude":1.98,"clouds":0.0,"darkness":1.51,"moon":0.0},"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":1,"cloud":null,"high":null,"iso":"2031-07-18T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-11,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2031-07-18T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-19,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"22:00","wind":null},{"alt":14,"cloud":null,"high":null,"iso":"2031-07-18T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-26,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":23,"cloud":null,"high":null,"iso":"2031-07-18T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-30,"precip":null,"q":0.52,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2031-07-18T22:00Z","label":"good","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":0.82,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2031-07-18T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-29,"precip":null,"q":0.88,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":53,"cloud":null,"high":null,"iso":"2031-07-19T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.96,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":64,"cloud":null,"high":null,"iso":"2031-07-19T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":1.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":75,"cloud":null,"high":null,"iso":"2031-07-19T02:00Z","label":"poor","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.15,"rh":null,"sky":"nautical twilight","temp":null,"time":"05:00","wind":null},{"alt":87,"cloud":null,"high":null,"iso":"2031-07-19T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":1.0,"peak_sky":1.0,"quality_hours":4.16,"reasons":["the target being low or below 20\u00b0 cost 2.0 quality-hours","daylight and twilight cost 1.5 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":100,"score_weather":null,"sky_hours":4.16,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2031-07-18T20:40Z","end_local":"23:40","hours":2.83,"label":"unusable","mean_quality":0.0,"start":"2031-07-18T17:50Z","start_local":"20:50"},{"end":"2031-07-18T21:15Z","end_local":"00:15","hours":0.58,"label":"marginal","mean_quality":0.49,"start":"2031-07-18T20:40Z","start_local":"23:40"},{"end":"2031-07-19T01:05Z","end_local":"04:05","hours":3.83,"label":"good","mean_quality":0.88,"start":"2031-07-18T21:15Z","start_local":"00:15"},{"end":"2031-07-19T01:50Z","end_local":"04:50","hours":0.75,"label":"marginal","mean_quality":0.5,"start":"2031-07-19T01:05Z","start_local":"04:05"},{"end":"2031-07-19T02:35Z","end_local":"05:35","hours":0.75,"label":"poor","mean_quality":0.15,"start":"2031-07-19T01:50Z","start_local":"04:50"},{"end":"2031-07-19T03:05Z","end_local":"06:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2031-07-19T02:35Z","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":"2031-07-18T19:53:51Z","dark_hours":5.12,"dark_to":"2031-07-19T01:01:09Z","moon":{"illumination":0.005,"phase":"new moon","waxing":false},"moon_free_dark_hours":5.12,"moonrise":"2031-07-19T03:04:47Z","moonset":"2031-07-18T16:48:20Z","sunrise":"2031-07-19T03:02:47Z","sunset":"2031-07-18T17:52:14Z","twilight":{"astronomical":{"end":"2031-07-18T19:53:51Z","start":"2031-07-19T01:01:09Z"},"civil":{"end":"2031-07-18T18:24:58Z","start":"2031-07-19T02:30:03Z"},"nautical":{"end":"2031-07-18T19:06:15Z","start":"2031-07-19T01:48:46Z"}},"window_end":"2031-07-19T09:00:00Z","window_start":"2031-07-18T09:00:00Z"},"night_date":"2031-07-18","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.11,"alt":64.2,"t":"2031-07-19T01:00:00Z"},"dec":41.26875,"dec_of_date":41.4412,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":3.33,"limit_rise":"2031-07-18T20:39:15Z","limit_set":"2031-07-18T10:01:50Z","max_az_rate_deg_per_min":23.28,"moon_separation":85.0,"never_rises":false,"ra":10.68470833,"ra_of_date":11.1181,"ra_str":"00h 42m 44.3s","resolved":{"common_name":"Andromeda Galaxy","dec":41.26875,"morphology":"SA(s)b","name":"M 31","ra":10.68470833,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M31","source":"sesame","type":"AGN","type_text":"galaxy with an active nucleus","vmag":3.44},"summary":"3.3 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2031-07-18T12:49:51Z","blocked_dark_hours":0,"clears_at":"2031-07-18T18:04:53Z","rise_az":300.9},"track":[{"above_terrain":true,"airmass":2.02,"alt":29.53,"az":300.9,"t":"2031-07-18T09:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.07,"alt":28.73,"az":301.5,"t":"2031-07-18T09:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.13,"alt":27.93,"az":302.1,"t":"2031-07-18T09:10:00Z","terrain":0.06},{"above_terrain":true,"airmass":2.18,"alt":27.14,"az":302.6,"t":"2031-07-18T09:15:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.24,"alt":26.36,"az":303.2,"t":"2031-07-18T09:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":2.31,"alt":25.58,"az":303.8,"t":"2031-07-18T09:25:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.37,"alt":24.8,"az":304.4,"t":"2031-07-18T09:30:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.44,"alt":24.03,"az":305.0,"t":"2031-07-18T09:35:00Z","terrain":-0.29},{"above_terrain":true,"airmass":2.52,"alt":23.27,"az":305.6,"t":"2031-07-18T09:40:00Z","terrain":-0.22},{"above_terrain":true,"airmass":2.6,"alt":22.51,"az":306.2,"t":"2031-07-18T09:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.68,"alt":21.76,"az":306.8,"t":"2031-07-18T09:50:00Z","terrain":0.1},{"above_terrain":true,"airmass":2.77,"alt":21.01,"az":307.4,"t":"2031-07-18T09:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.87,"alt":20.27,"az":308.0,"t":"2031-07-18T10:00:00Z","terrain":0.32},{"above_terrain":true,"airmass":2.97,"alt":19.54,"az":308.6,"t":"2031-07-18T10:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.08,"alt":18.81,"az":309.3,"t":"2031-07-18T10:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.19,"alt":18.09,"az":309.9,"t":"2031-07-18T10:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":3.32,"alt":17.37,"az":310.5,"t":"2031-07-18T10:20:00Z","terrain":0.3},{"above_terrain":true,"airmass":3.45,"alt":16.67,"az":311.2,"t":"2031-07-18T10:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":3.59,"alt":15.96,"az":311.8,"t":"2031-07-18T10:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.75,"alt":15.27,"az":312.5,"t":"2031-07-18T10:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.92,"alt":14.58,"az":313.2,"t":"2031-07-18T10:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":4.1,"alt":13.91,"az":313.8,"t":"2031-07-18T10:45:00Z","terrain":0.44},{"above_terrain":true,"airmass":4.29,"alt":13.23,"az":314.5,"t":"2031-07-18T10:50:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.51,"alt":12.57,"az":315.2,"t":"2031-07-18T10:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":4.74,"alt":11.91,"az":315.9,"t":"2031-07-18T11:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":5.0,"alt":11.27,"az":316.6,"t":"2031-07-18T11:05:00Z","terrain":0.38},{"above_terrain":true,"airmass":5.28,"alt":10.63,"az":317.3,"t":"2031-07-18T11:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":5.59,"alt":10.0,"az":318.0,"t":"2031-07-18T11:15:00Z","terrain":0.33},{"above_terrain":true,"airmass":5.93,"alt":9.38,"az":318.7,"t":"2031-07-18T11:20:00Z","terrain":0.0},{"above_terrain":true,"airmass":6.31,"alt":8.76,"az":319.4,"t":"2031-07-18T11:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":6.74,"alt":8.16,"az":320.1,"t":"2031-07-18T11:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.21,"alt":7.56,"az":320.9,"t":"2031-07-18T11:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.75,"alt":6.98,"az":321.6,"t":"2031-07-18T11:40:00Z","terrain":0.06},{"above_terrain":true,"airmass":8.36,"alt":6.4,"az":322.4,"t":"2031-07-18T11:45:00Z","terrain":0.16},{"above_terrain":true,"airmass":9.06,"alt":5.83,"az":323.1,"t":"2031-07-18T11:50:00Z","terrain":0.04},{"above_terrain":true,"airmass":9.86,"alt":5.28,"az":323.9,"t":"2031-07-18T11:55:00Z","terrain":-0.18},{"above_terrain":true,"airmass":10.78,"alt":4.73,"az":324.7,"t":"2031-07-18T12:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.86,"alt":4.19,"az":325.4,"t":"2031-07-18T12:05:00Z","terrain":-0.21},{"above_terrain":true,"airmass":13.13,"alt":3.67,"az":326.2,"t":"2031-07-18T12:10:00Z","terrain":-0.27},{"above_terrain":true,"airmass":14.64,"alt":3.15,"az":327.0,"t":"2031-07-18T12:15:00Z","terrain":-0.39},{"above_terrain":true,"airmass":16.44,"alt":2.65,"az":327.8,"t":"2031-07-18T12:20:00Z","terrain":-0.26},{"above_terrain":true,"airmass":18.63,"alt":2.16,"az":328.6,"t":"2031-07-18T12:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":21.31,"alt":1.67,"az":329.4,"t":"2031-07-18T12:30:00Z","terrain":-0.22},{"above_terrain":true,"airmass":24.62,"alt":1.2,"az":330.2,"t":"2031-07-18T12:35:00Z","terrain":-0.36},{"above_terrain":true,"airmass":28.73,"alt":0.74,"az":331.0,"t":"2031-07-18T12:40:00Z","terrain":-0.38},{"above_terrain":true,"airmass":33.82,"alt":0.3,"az":331.9,"t":"2031-07-18T12:45:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-0.14,"az":332.7,"t":"2031-07-18T12:50:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.56,"az":333.5,"t":"2031-07-18T12:55:00Z","terrain":-0.18},{"above_terrain":false,"airmass":null,"alt":-0.97,"az":334.4,"t":"2031-07-18T13:00:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-1.37,"az":335.2,"t":"2031-07-18T13:05:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-1.76,"az":336.1,"t":"2031-07-18T13:10:00Z","terrain":-0.82},{"above_terrain":false,"airmass":null,"alt":-2.13,"az":336.9,"t":"2031-07-18T13:15:00Z","terrain":-0.74},{"above_terrain":false,"airmass":null,"alt":-2.49,"az":337.8,"t":"2031-07-18T13:20:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-2.84,"az":338.7,"t":"2031-07-18T13:25:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-3.17,"az":339.6,"t":"2031-07-18T13:30:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-3.49,"az":340.4,"t":"2031-07-18T13:35:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-3.8,"az":341.3,"t":"2031-07-18T13:40:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-4.09,"az":342.2,"t":"2031-07-18T13:45:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-4.37,"az":343.1,"t":"2031-07-18T13:50:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-4.63,"az":344.0,"t":"2031-07-18T13:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.88,"az":344.9,"t":"2031-07-18T14:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-5.12,"az":345.9,"t":"2031-07-18T14:05:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-5.34,"az":346.8,"t":"2031-07-18T14:10:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-5.55,"az":347.7,"t":"2031-07-18T14:15:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-5.74,"az":348.6,"t":"2031-07-18T14:20:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-5.92,"az":349.5,"t":"2031-07-18T14:25:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-6.08,"az":350.5,"t":"2031-07-18T14:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.23,"az":351.4,"t":"2031-07-18T14:35:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-6.36,"az":352.3,"t":"2031-07-18T14:40:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-6.48,"az":353.3,"t":"2031-07-18T14:45:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-6.58,"az":354.2,"t":"2031-07-18T14:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.66,"az":355.2,"t":"2031-07-18T14:55:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-6.74,"az":356.1,"t":"2031-07-18T15:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.79,"az":357.1,"t":"2031-07-18T15:05:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":358.0,"t":"2031-07-18T15:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":358.9,"t":"2031-07-18T15:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":359.9,"t":"2031-07-18T15:20:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":0.8,"t":"2031-07-18T15:25:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-6.84,"az":1.8,"t":"2031-07-18T15:30:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":2.7,"t":"2031-07-18T15:35:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-6.75,"az":3.7,"t":"2031-07-18T15:40:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-6.68,"az":4.6,"t":"2031-07-18T15:45:00Z","terrain":-0.37},{"above_terrain":false,"airmass":null,"alt":-6.6,"az":5.6,"t":"2031-07-18T15:50:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-6.5,"az":6.5,"t":"2031-07-18T15:55:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-6.39,"az":7.4,"t":"2031-07-18T16:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.26,"az":8.4,"t":"2031-07-18T16:05:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-6.11,"az":9.3,"t":"2031-07-18T16:10:00Z","terrain":-0.64},{"above_terrain":false,"airmass":null,"alt":-5.95,"az":10.2,"t":"2031-07-18T16:15:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-5.78,"az":11.2,"t":"2031-07-18T16:20:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-5.59,"az":12.1,"t":"2031-07-18T16:25:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-5.39,"az":13.0,"t":"2031-07-18T16:30:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-5.17,"az":13.9,"t":"2031-07-18T16:35:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-4.94,"az":14.9,"t":"2031-07-18T16:40:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-4.69,"az":15.8,"t":"2031-07-18T16:45:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-4.43,"az":16.7,"t":"2031-07-18T16:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.15,"az":17.6,"t":"2031-07-18T16:55:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-3.86,"az":18.5,"t":"2031-07-18T17:00:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-3.56,"az":19.4,"t":"2031-07-18T17:05:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-3.24,"az":20.2,"t":"2031-07-18T17:10:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-2.91,"az":21.1,"t":"2031-07-18T17:15:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-2.57,"az":22.0,"t":"2031-07-18T17:20:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-2.21,"az":22.9,"t":"2031-07-18T17:25:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-1.84,"az":23.7,"t":"2031-07-18T17:30:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-1.46,"az":24.6,"t":"2031-07-18T17:35:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-1.06,"az":25.4,"t":"2031-07-18T17:40:00Z","terrain":1.27},{"above_terrain":false,"airmass":null,"alt":-0.65,"az":26.3,"t":"2031-07-18T17:45:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-0.23,"az":27.1,"t":"2031-07-18T17:50:00Z","terrain":1.27},{"above_terrain":false,"airmass":35.1,"alt":0.2,"az":28.0,"t":"2031-07-18T17:55:00Z","terrain":1.19},{"above_terrain":false,"airmass":29.76,"alt":0.64,"az":28.8,"t":"2031-07-18T18:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":25.45,"alt":1.1,"az":29.6,"t":"2031-07-18T18:05:00Z","terrain":1.09},{"above_terrain":true,"airmass":21.98,"alt":1.57,"az":30.4,"t":"2031-07-18T18:10:00Z","terrain":1.22},{"above_terrain":true,"airmass":19.18,"alt":2.05,"az":31.2,"t":"2031-07-18T18:15:00Z","terrain":1.31},{"above_terrain":true,"airmass":16.89,"alt":2.54,"az":32.0,"t":"2031-07-18T18:20:00Z","terrain":1.32},{"above_terrain":true,"airmass":15.01,"alt":3.04,"az":32.8,"t":"2031-07-18T18:25:00Z","terrain":1.05},{"above_terrain":true,"airmass":13.44,"alt":3.55,"az":33.6,"t":"2031-07-18T18:30:00Z","terrain":0.64},{"above_terrain":true,"airmass":12.12,"alt":4.08,"az":34.4,"t":"2031-07-18T18:35:00Z","terrain":0.28},{"above_terrain":true,"airmass":11.0,"alt":4.61,"az":35.2,"t":"2031-07-18T18:40:00Z","terrain":0.05},{"above_terrain":true,"airmass":10.05,"alt":5.16,"az":35.9,"t":"2031-07-18T18:45:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.22,"alt":5.71,"az":36.7,"t":"2031-07-18T18:50:00Z","terrain":-0.05},{"above_terrain":true,"airmass":8.51,"alt":6.27,"az":37.5,"t":"2031-07-18T18:55:00Z","terrain":-0.15},{"above_terrain":true,"airmass":7.88,"alt":6.85,"az":38.2,"t":"2031-07-18T19:00:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.33,"alt":7.43,"az":39.0,"t":"2031-07-18T19:05:00Z","terrain":-0.16},{"above_terrain":true,"airmass":6.84,"alt":8.03,"az":39.7,"t":"2031-07-18T19:10:00Z","terrain":-0.08},{"above_terrain":true,"airmass":6.4,"alt":8.63,"az":40.4,"t":"2031-07-18T19:15:00Z","terrain":-0.02},{"above_terrain":true,"airmass":6.01,"alt":9.24,"az":41.1,"t":"2031-07-18T19:20:00Z","terrain":0.03},{"above_terrain":true,"airmass":5.66,"alt":9.86,"az":41.9,"t":"2031-07-18T19:25:00Z","terrain":0.11},{"above_terrain":true,"airmass":5.34,"alt":10.49,"az":42.6,"t":"2031-07-18T19:30:00Z","terrain":0.19},{"above_terrain":true,"airmass":5.06,"alt":11.13,"az":43.3,"t":"2031-07-18T19:35:00Z","terrain":0.29},{"above_terrain":true,"airmass":4.8,"alt":11.77,"az":44.0,"t":"2031-07-18T19:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":4.56,"alt":12.43,"az":44.7,"t":"2031-07-18T19:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.34,"alt":13.09,"az":45.3,"t":"2031-07-18T19:50:00Z","terrain":0.61},{"above_terrain":true,"airmass":4.14,"alt":13.76,"az":46.0,"t":"2031-07-18T19:55:00Z","terrain":0.67},{"above_terrain":true,"airmass":3.95,"alt":14.43,"az":46.7,"t":"2031-07-18T20:00:00Z","terrain":0.63},{"above_terrain":true,"airmass":3.78,"alt":15.12,"az":47.4,"t":"2031-07-18T20:05:00Z","terrain":0.58},{"above_terrain":true,"airmass":3.63,"alt":15.81,"az":48.0,"t":"2031-07-18T20:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.48,"alt":16.51,"az":48.7,"t":"2031-07-18T20:15:00Z","terrain":0.45},{"above_terrain":true,"airmass":3.35,"alt":17.22,"az":49.3,"t":"2031-07-18T20:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.22,"alt":17.93,"az":50.0,"t":"2031-07-18T20:25:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.1,"alt":18.65,"az":50.6,"t":"2031-07-18T20:30:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.99,"alt":19.38,"az":51.2,"t":"2031-07-18T20:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.89,"alt":20.11,"az":51.8,"t":"2031-07-18T20:40:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.79,"alt":20.85,"az":52.5,"t":"2031-07-18T20:45:00Z","terrain":0.73},{"above_terrain":true,"airmass":2.7,"alt":21.59,"az":53.1,"t":"2031-07-18T20:50:00Z","terrain":0.85},{"above_terrain":true,"airmass":2.62,"alt":22.34,"az":53.7,"t":"2031-07-18T20:55:00Z","terrain":0.95},{"above_terrain":true,"airmass":2.54,"alt":23.1,"az":54.3,"t":"2031-07-18T21:00:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.46,"alt":23.86,"az":54.9,"t":"2031-07-18T21:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.39,"alt":24.63,"az":55.5,"t":"2031-07-18T21:10:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.32,"alt":25.41,"az":56.1,"t":"2031-07-18T21:15:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.26,"alt":26.19,"az":56.7,"t":"2031-07-18T21:20:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.2,"alt":26.97,"az":57.2,"t":"2031-07-18T21:25:00Z","terrain":1.11},{"above_terrain":true,"airmass":2.14,"alt":27.76,"az":57.8,"t":"2031-07-18T21:30:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.09,"alt":28.55,"az":58.4,"t":"2031-07-18T21:35:00Z","terrain":1.23},{"above_terrain":true,"airmass":2.03,"alt":29.35,"az":58.9,"t":"2031-07-18T21:40:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.98,"alt":30.16,"az":59.5,"t":"2031-07-18T21:45:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.94,"alt":30.97,"az":60.1,"t":"2031-07-18T21:50:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.89,"alt":31.78,"az":60.6,"t":"2031-07-18T21:55:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.85,"alt":32.6,"az":61.2,"t":"2031-07-18T22:00:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.81,"alt":33.42,"az":61.7,"t":"2031-07-18T22:05:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.77,"alt":34.25,"az":62.2,"t":"2031-07-18T22:10:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.74,"alt":35.08,"az":62.8,"t":"2031-07-18T22:15:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.7,"alt":35.91,"az":63.3,"t":"2031-07-18T22:20:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.67,"alt":36.75,"az":63.8,"t":"2031-07-18T22:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.64,"alt":37.59,"az":64.4,"t":"2031-07-18T22:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.61,"alt":38.44,"az":64.9,"t":"2031-07-18T22:35:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.58,"alt":39.28,"az":65.4,"t":"2031-07-18T22:40:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.55,"alt":40.14,"az":65.9,"t":"2031-07-18T22:45:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.52,"alt":40.99,"az":66.4,"t":"2031-07-18T22:50:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.5,"alt":41.85,"az":66.9,"t":"2031-07-18T22:55:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.47,"alt":42.72,"az":67.4,"t":"2031-07-18T23:00:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.45,"alt":43.58,"az":67.9,"t":"2031-07-18T23:05:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.43,"alt":44.45,"az":68.4,"t":"2031-07-18T23:10:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.4,"alt":45.32,"az":68.9,"t":"2031-07-18T23:15:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.38,"alt":46.2,"az":69.4,"t":"2031-07-18T23:20:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.36,"alt":47.07,"az":69.9,"t":"2031-07-18T23:25:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.35,"alt":47.95,"az":70.4,"t":"2031-07-18T23:30:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.33,"alt":48.84,"az":70.9,"t":"2031-07-18T23:35:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.31,"alt":49.72,"az":71.3,"t":"2031-07-18T23:40:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.29,"alt":50.61,"az":71.8,"t":"2031-07-18T23:45:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.28,"alt":51.5,"az":72.3,"t":"2031-07-18T23:50:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.26,"alt":52.39,"az":72.8,"t":"2031-07-18T23:55:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.25,"alt":53.29,"az":73.3,"t":"2031-07-19T00:00:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.23,"alt":54.19,"az":73.7,"t":"2031-07-19T00:05:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.22,"alt":55.09,"az":74.2,"t":"2031-07-19T00:10:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.21,"alt":55.99,"az":74.7,"t":"2031-07-19T00:15:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.19,"alt":56.89,"az":75.1,"t":"2031-07-19T00:20:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.18,"alt":57.8,"az":75.6,"t":"2031-07-19T00:25:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.17,"alt":58.7,"az":76.1,"t":"2031-07-19T00:30:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.61,"az":76.5,"t":"2031-07-19T00:35:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.52,"az":77.0,"t":"2031-07-19T00:40:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.14,"alt":61.44,"az":77.4,"t":"2031-07-19T00:45:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.13,"alt":62.35,"az":77.9,"t":"2031-07-19T00:50:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.12,"alt":63.27,"az":78.4,"t":"2031-07-19T00:55:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.11,"alt":64.18,"az":78.8,"t":"2031-07-19T01:00:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.1,"alt":65.1,"az":79.3,"t":"2031-07-19T01:05:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.09,"alt":66.02,"az":79.7,"t":"2031-07-19T01:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.09,"alt":66.95,"az":80.2,"t":"2031-07-19T01:15:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.08,"alt":67.87,"az":80.6,"t":"2031-07-19T01:20:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.07,"alt":68.79,"az":81.1,"t":"2031-07-19T01:25:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.07,"alt":69.72,"az":81.6,"t":"2031-07-19T01:30:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.06,"alt":70.64,"az":82.0,"t":"2031-07-19T01:35:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.05,"alt":71.57,"az":82.5,"t":"2031-07-19T01:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.05,"alt":72.5,"az":83.0,"t":"2031-07-19T01:45:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.04,"alt":73.43,"az":83.4,"t":"2031-07-19T01:50:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.04,"alt":74.36,"az":83.9,"t":"2031-07-19T01:55:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.03,"alt":75.29,"az":84.4,"t":"2031-07-19T02:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.03,"alt":76.22,"az":84.9,"t":"2031-07-19T02:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.03,"alt":77.16,"az":85.4,"t":"2031-07-19T02:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.02,"alt":78.09,"az":85.9,"t":"2031-07-19T02:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":79.02,"az":86.4,"t":"2031-07-19T02:20:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.02,"alt":79.96,"az":87.0,"t":"2031-07-19T02:25:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.01,"alt":80.89,"az":87.5,"t":"2031-07-19T02:30:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.01,"alt":81.83,"az":88.1,"t":"2031-07-19T02:35:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.01,"alt":82.76,"az":88.8,"t":"2031-07-19T02:40:00Z","terrain":-0.17},{"above_terrain":true,"airmass":1.01,"alt":83.7,"az":89.5,"t":"2031-07-19T02:45:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":84.63,"az":90.3,"t":"2031-07-19T02:50:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.0,"alt":85.57,"az":91.3,"t":"2031-07-19T02:55:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.0,"alt":86.51,"az":92.6,"t":"2031-07-19T03:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.0,"alt":87.44,"az":94.5,"t":"2031-07-19T03:05:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.0,"alt":88.37,"az":98.2,"t":"2031-07-19T03:10:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.0,"alt":89.28,"az":110.2,"t":"2031-07-19T03:15:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.0,"alt":89.63,"az":226.6,"t":"2031-07-19T03:20:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.0,"alt":88.77,"az":258.7,"t":"2031-07-19T03:25:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.0,"alt":87.84,"az":264.2,"t":"2031-07-19T03:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":86.91,"az":266.7,"t":"2031-07-19T03:35:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.0,"alt":85.98,"az":268.2,"t":"2031-07-19T03:40:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.0,"alt":85.04,"az":269.3,"t":"2031-07-19T03:45:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.0,"alt":84.1,"az":270.2,"t":"2031-07-19T03:50:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.01,"alt":83.17,"az":270.9,"t":"2031-07-19T03:55:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.01,"alt":82.23,"az":271.6,"t":"2031-07-19T04:00:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.01,"alt":81.3,"az":272.2,"t":"2031-07-19T04:05:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.01,"alt":80.36,"az":272.8,"t":"2031-07-19T04:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.02,"alt":79.43,"az":273.3,"t":"2031-07-19T04:15:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.02,"alt":78.49,"az":273.9,"t":"2031-07-19T04:20:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.02,"alt":77.56,"az":274.4,"t":"2031-07-19T04:25:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.03,"alt":76.63,"az":274.9,"t":"2031-07-19T04:30:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.03,"alt":75.7,"az":275.4,"t":"2031-07-19T04:35:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.04,"alt":74.76,"az":275.9,"t":"2031-07-19T04:40:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.04,"alt":73.83,"az":276.4,"t":"2031-07-19T04:45:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.05,"alt":72.9,"az":276.8,"t":"2031-07-19T04:50:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.05,"alt":71.97,"az":277.3,"t":"2031-07-19T04:55:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.06,"alt":71.05,"az":277.8,"t":"2031-07-19T05:00:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.06,"alt":70.12,"az":278.2,"t":"2031-07-19T05:05:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.07,"alt":69.19,"az":278.7,"t":"2031-07-19T05:10:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.08,"alt":68.27,"az":279.2,"t":"2031-07-19T05:15:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.08,"alt":67.35,"az":279.6,"t":"2031-07-19T05:20:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.09,"alt":66.42,"az":280.1,"t":"2031-07-19T05:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.1,"alt":65.5,"az":280.5,"t":"2031-07-19T05:30:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.11,"alt":64.58,"az":281.0,"t":"2031-07-19T05:35:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.12,"alt":63.67,"az":281.4,"t":"2031-07-19T05:40:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.12,"alt":62.75,"az":281.9,"t":"2031-07-19T05:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.13,"alt":61.83,"az":282.4,"t":"2031-07-19T05:50:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.14,"alt":60.92,"az":282.8,"t":"2031-07-19T05:55:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.15,"alt":60.01,"az":283.3,"t":"2031-07-19T06:00:00Z","terrain":0.03},{"above_terrain":true,"airmass":1.16,"alt":59.1,"az":283.7,"t":"2031-07-19T06:05:00Z","terrain":0.09},{"above_terrain":true,"airmass":1.18,"alt":58.19,"az":284.2,"t":"2031-07-19T06:10:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.19,"alt":57.28,"az":284.7,"t":"2031-07-19T06:15:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.2,"alt":56.38,"az":285.1,"t":"2031-07-19T06:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.48,"az":285.6,"t":"2031-07-19T06:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.23,"alt":54.58,"az":286.1,"t":"2031-07-19T06:30:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.24,"alt":53.68,"az":286.5,"t":"2031-07-19T06:35:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.25,"alt":52.78,"az":287.0,"t":"2031-07-19T06:40:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.27,"alt":51.89,"az":287.5,"t":"2031-07-19T06:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.29,"alt":51.0,"az":288.0,"t":"2031-07-19T06:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.3,"alt":50.11,"az":288.4,"t":"2031-07-19T06:55:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.32,"alt":49.22,"az":288.9,"t":"2031-07-19T07:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.34,"alt":48.34,"az":289.4,"t":"2031-07-19T07:05:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.36,"alt":47.46,"az":289.9,"t":"2031-07-19T07:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.38,"alt":46.58,"az":290.4,"t":"2031-07-19T07:15:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.4,"alt":45.7,"az":290.9,"t":"2031-07-19T07:20:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.42,"alt":44.83,"az":291.4,"t":"2031-07-19T07:25:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.44,"alt":43.96,"az":291.9,"t":"2031-07-19T07:30:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.46,"alt":43.09,"az":292.4,"t":"2031-07-19T07:35:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.49,"alt":42.23,"az":292.9,"t":"2031-07-19T07:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.51,"alt":41.37,"az":293.4,"t":"2031-07-19T07:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.54,"alt":40.51,"az":293.9,"t":"2031-07-19T07:50:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.56,"alt":39.65,"az":294.4,"t":"2031-07-19T07:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.59,"alt":38.8,"az":294.9,"t":"2031-07-19T08:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.62,"alt":37.96,"az":295.4,"t":"2031-07-19T08:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.65,"alt":37.11,"az":295.9,"t":"2031-07-19T08:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.69,"alt":36.27,"az":296.5,"t":"2031-07-19T08:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.72,"alt":35.44,"az":297.0,"t":"2031-07-19T08:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.76,"alt":34.61,"az":297.5,"t":"2031-07-19T08:25:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.79,"alt":33.78,"az":298.1,"t":"2031-07-19T08:30:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.83,"alt":32.95,"az":298.6,"t":"2031-07-19T08:35:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.88,"alt":32.13,"az":299.2,"t":"2031-07-19T08:40:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.92,"alt":31.32,"az":299.7,"t":"2031-07-19T08:45:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.96,"alt":30.51,"az":300.3,"t":"2031-07-19T08:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.01,"alt":29.7,"az":300.8,"t":"2031-07-19T08:55:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.06,"alt":28.9,"az":301.4,"t":"2031-07-19T09:00:00Z","terrain":0.23}],"transit":{"airmass":1.0,"alt":89.6,"az":226.6,"t":"2031-07-19T03:20:00Z"},"usable_hours":4.42,"verdict":"good","zenith_passage":true},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}