{"assessment":{"best_window":{"end":"2039-08-04T01:30Z","end_local":"04:30","hours":4.25,"label":"good","mean_quality":0.69,"start":"2039-08-03T21:15Z","start_local":"00:15"},"cost":{"altitude":1.32,"clouds":0.0,"darkness":1.4,"moon":1.48},"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":7,"cloud":null,"high":null,"iso":"2039-08-03T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":5,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"21:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2039-08-03T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":13,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":24,"cloud":null,"high":null,"iso":"2039-08-03T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.4,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2039-08-03T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":23,"precip":null,"q":0.59,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2039-08-03T22:00Z","label":"good","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.64,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":54,"cloud":null,"high":null,"iso":"2039-08-03T23:00Z","label":"good","low":null,"mid":null,"moon_alt":24,"precip":null,"q":0.69,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":65,"cloud":null,"high":null,"iso":"2039-08-04T00:00Z","label":"good","low":null,"mid":null,"moon_alt":20,"precip":null,"q":0.73,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":76,"cloud":null,"high":null,"iso":"2039-08-04T01:00Z","label":"good","low":null,"mid":null,"moon_alt":14,"precip":null,"q":0.75,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":87,"cloud":null,"high":null,"iso":"2039-08-04T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":7,"precip":null,"q":0.39,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":82,"cloud":null,"high":null,"iso":"2039-08-04T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-2,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.76,"peak_sky":0.76,"quality_hours":4.07,"reasons":["moonlight cost 1.5 quality-hours","daylight and twilight cost 1.4 quality-hours","the target being low or below 20\u00b0 cost 1.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":76,"score_weather":null,"sky_hours":4.07,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2039-08-03T19:40Z","end_local":"22:40","hours":2.08,"label":"unusable","mean_quality":0.0,"start":"2039-08-03T17:35Z","start_local":"20:35"},{"end":"2039-08-03T21:15Z","end_local":"00:15","hours":1.58,"label":"marginal","mean_quality":0.49,"start":"2039-08-03T19:40Z","start_local":"22:40"},{"end":"2039-08-04T01:30Z","end_local":"04:30","hours":4.25,"label":"good","mean_quality":0.69,"start":"2039-08-03T21:15Z","start_local":"00:15"},{"end":"2039-08-04T02:10Z","end_local":"05:10","hours":0.67,"label":"marginal","mean_quality":0.39,"start":"2039-08-04T01:30Z","start_local":"04:30"},{"end":"2039-08-04T02:50Z","end_local":"05:50","hours":0.67,"label":"poor","mean_quality":0.12,"start":"2039-08-04T02:10Z","start_local":"05:10"},{"end":"2039-08-04T03:20Z","end_local":"06:20","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2039-08-04T02:50Z","start_local":"05:50"}]},"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":"2039-08-03T19:28:56Z","dark_hours":5.95,"dark_to":"2039-08-04T01:25:57Z","moon":{"illumination":0.996,"phase":"full moon","waxing":true},"moon_free_dark_hours":0.0,"moonrise":"2039-08-03T17:28:10Z","moonset":"2039-08-04T02:43:59Z","sunrise":"2039-08-04T03:17:57Z","sunset":"2039-08-03T17:36:57Z","twilight":{"astronomical":{"end":"2039-08-03T19:28:56Z","start":"2039-08-04T01:25:57Z"},"civil":{"end":"2039-08-03T18:08:01Z","start":"2039-08-04T02:46:53Z"},"nautical":{"end":"2039-08-03T18:46:25Z","start":"2039-08-04T02:08:29Z"}},"window_end":"2039-08-04T09:00:00Z","window_start":"2039-08-03T09:00:00Z"},"night_date":"2039-08-03","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.01,"alt":80.5,"t":"2039-08-04T01:25:00Z"},"dec":41.26875,"dec_of_date":41.4851,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":4.75,"limit_rise":"2039-08-03T19:36:21Z","limit_set":"2039-08-04T08:55:22Z","max_az_rate_deg_per_min":22.71,"moon_separation":86.0,"never_rises":false,"ra":10.68470833,"ra_of_date":11.2289,"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":"4.8 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2039-08-03T11:47:43Z","blocked_dark_hours":0,"clears_at":"2039-08-03T17:01:31Z","rise_az":308.4},"track":[{"above_terrain":true,"airmass":2.92,"alt":19.9,"az":308.4,"t":"2039-08-03T09:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.02,"alt":19.17,"az":309.0,"t":"2039-08-03T09:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.13,"alt":18.44,"az":309.6,"t":"2039-08-03T09:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.25,"alt":17.73,"az":310.3,"t":"2039-08-03T09:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.38,"alt":17.02,"az":310.9,"t":"2039-08-03T09:20:00Z","terrain":0.35},{"above_terrain":true,"airmass":3.52,"alt":16.31,"az":311.6,"t":"2039-08-03T09:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.67,"alt":15.62,"az":312.2,"t":"2039-08-03T09:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.83,"alt":14.93,"az":312.9,"t":"2039-08-03T09:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.0,"alt":14.25,"az":313.6,"t":"2039-08-03T09:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":4.19,"alt":13.57,"az":314.2,"t":"2039-08-03T09:45:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.4,"alt":12.9,"az":314.9,"t":"2039-08-03T09:50:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.62,"alt":12.25,"az":315.6,"t":"2039-08-03T09:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.86,"alt":11.59,"az":316.3,"t":"2039-08-03T10:00:00Z","terrain":0.43},{"above_terrain":true,"airmass":5.13,"alt":10.95,"az":317.0,"t":"2039-08-03T10:05:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.43,"alt":10.32,"az":317.7,"t":"2039-08-03T10:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.75,"alt":9.69,"az":318.4,"t":"2039-08-03T10:15:00Z","terrain":0.14},{"above_terrain":true,"airmass":6.11,"alt":9.07,"az":319.1,"t":"2039-08-03T10:20:00Z","terrain":-0.15},{"above_terrain":true,"airmass":6.51,"alt":8.47,"az":319.8,"t":"2039-08-03T10:25:00Z","terrain":-0.19},{"above_terrain":true,"airmass":6.96,"alt":7.87,"az":320.6,"t":"2039-08-03T10:30:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.47,"alt":7.28,"az":321.3,"t":"2039-08-03T10:35:00Z","terrain":-0.07},{"above_terrain":true,"airmass":8.04,"alt":6.7,"az":322.1,"t":"2039-08-03T10:40:00Z","terrain":0.2},{"above_terrain":true,"airmass":8.68,"alt":6.13,"az":322.8,"t":"2039-08-03T10:45:00Z","terrain":0.11},{"above_terrain":true,"airmass":9.43,"alt":5.57,"az":323.6,"t":"2039-08-03T10:50:00Z","terrain":-0.08},{"above_terrain":true,"airmass":10.28,"alt":5.02,"az":324.3,"t":"2039-08-03T10:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.27,"alt":4.47,"az":325.1,"t":"2039-08-03T11:00:00Z","terrain":-0.19},{"above_terrain":true,"airmass":12.43,"alt":3.94,"az":325.9,"t":"2039-08-03T11:05:00Z","terrain":-0.23},{"above_terrain":true,"airmass":13.81,"alt":3.42,"az":326.7,"t":"2039-08-03T11:10:00Z","terrain":-0.34},{"above_terrain":true,"airmass":15.44,"alt":2.92,"az":327.4,"t":"2039-08-03T11:15:00Z","terrain":-0.32},{"above_terrain":true,"airmass":17.41,"alt":2.42,"az":328.2,"t":"2039-08-03T11:20:00Z","terrain":-0.21},{"above_terrain":true,"airmass":19.81,"alt":1.93,"az":329.0,"t":"2039-08-03T11:25:00Z","terrain":-0.14},{"above_terrain":true,"airmass":22.75,"alt":1.45,"az":329.9,"t":"2039-08-03T11:30:00Z","terrain":-0.32},{"above_terrain":true,"airmass":26.4,"alt":0.99,"az":330.7,"t":"2039-08-03T11:35:00Z","terrain":-0.38},{"above_terrain":true,"airmass":30.92,"alt":0.54,"az":331.5,"t":"2039-08-03T11:40:00Z","terrain":-0.27},{"above_terrain":true,"airmass":36.51,"alt":0.1,"az":332.3,"t":"2039-08-03T11:45:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.33,"az":333.2,"t":"2039-08-03T11:50:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-0.75,"az":334.0,"t":"2039-08-03T11:55:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-1.15,"az":334.9,"t":"2039-08-03T12:00:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-1.54,"az":335.7,"t":"2039-08-03T12:05:00Z","terrain":-0.76},{"above_terrain":false,"airmass":null,"alt":-1.92,"az":336.6,"t":"2039-08-03T12:10:00Z","terrain":-0.77},{"above_terrain":false,"airmass":null,"alt":-2.29,"az":337.4,"t":"2039-08-03T12:15:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-2.64,"az":338.3,"t":"2039-08-03T12:20:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-2.98,"az":339.2,"t":"2039-08-03T12:25:00Z","terrain":-0.71},{"above_terrain":false,"airmass":null,"alt":-3.31,"az":340.1,"t":"2039-08-03T12:30:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-3.62,"az":340.9,"t":"2039-08-03T12:35:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-3.92,"az":341.8,"t":"2039-08-03T12:40:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-4.2,"az":342.7,"t":"2039-08-03T12:45:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-4.47,"az":343.6,"t":"2039-08-03T12:50:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.73,"az":344.5,"t":"2039-08-03T12:55:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.97,"az":345.5,"t":"2039-08-03T13:00:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-5.2,"az":346.4,"t":"2039-08-03T13:05:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-5.41,"az":347.3,"t":"2039-08-03T13:10:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-5.61,"az":348.2,"t":"2039-08-03T13:15:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-5.79,"az":349.1,"t":"2039-08-03T13:20:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-5.96,"az":350.1,"t":"2039-08-03T13:25:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.12,"az":351.0,"t":"2039-08-03T13:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.26,"az":351.9,"t":"2039-08-03T13:35:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-6.38,"az":352.9,"t":"2039-08-03T13:40:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-6.49,"az":353.8,"t":"2039-08-03T13:45:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-6.58,"az":354.7,"t":"2039-08-03T13:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.66,"az":355.7,"t":"2039-08-03T13:55:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-6.72,"az":356.6,"t":"2039-08-03T14:00:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.77,"az":357.6,"t":"2039-08-03T14:05:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":358.5,"t":"2039-08-03T14:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.82,"az":359.5,"t":"2039-08-03T14:15:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-6.82,"az":0.4,"t":"2039-08-03T14:20:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-6.81,"az":1.4,"t":"2039-08-03T14:25:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-6.78,"az":2.3,"t":"2039-08-03T14:30:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-6.73,"az":3.2,"t":"2039-08-03T14:35:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":4.2,"t":"2039-08-03T14:40:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-6.59,"az":5.1,"t":"2039-08-03T14:45:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-6.5,"az":6.1,"t":"2039-08-03T14:50:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-6.4,"az":7.0,"t":"2039-08-03T14:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.27,"az":7.9,"t":"2039-08-03T15:00:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.14,"az":8.9,"t":"2039-08-03T15:05:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-5.99,"az":9.8,"t":"2039-08-03T15:10:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-5.82,"az":10.7,"t":"2039-08-03T15:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-5.64,"az":11.7,"t":"2039-08-03T15:20:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-5.44,"az":12.6,"t":"2039-08-03T15:25:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-5.23,"az":13.5,"t":"2039-08-03T15:30:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-5.0,"az":14.4,"t":"2039-08-03T15:35:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-4.76,"az":15.3,"t":"2039-08-03T15:40:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-4.51,"az":16.2,"t":"2039-08-03T15:45:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-4.24,"az":17.1,"t":"2039-08-03T15:50:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-3.96,"az":18.0,"t":"2039-08-03T15:55:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":18.9,"t":"2039-08-03T16:00:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-3.35,"az":19.8,"t":"2039-08-03T16:05:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-3.02,"az":20.7,"t":"2039-08-03T16:10:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-2.69,"az":21.6,"t":"2039-08-03T16:15:00Z","terrain":0.86},{"above_terrain":false,"airmass":null,"alt":-2.34,"az":22.5,"t":"2039-08-03T16:20:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-1.97,"az":23.3,"t":"2039-08-03T16:25:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-1.6,"az":24.2,"t":"2039-08-03T16:30:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-1.21,"az":25.0,"t":"2039-08-03T16:35:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-0.8,"az":25.9,"t":"2039-08-03T16:40:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-0.39,"az":26.7,"t":"2039-08-03T16:45:00Z","terrain":1.3},{"above_terrain":false,"airmass":37.35,"alt":0.04,"az":27.6,"t":"2039-08-03T16:50:00Z","terrain":1.23},{"above_terrain":false,"airmass":31.61,"alt":0.48,"az":28.4,"t":"2039-08-03T16:55:00Z","terrain":1.12},{"above_terrain":false,"airmass":26.95,"alt":0.93,"az":29.2,"t":"2039-08-03T17:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":23.2,"alt":1.39,"az":30.0,"t":"2039-08-03T17:05:00Z","terrain":1.16},{"above_terrain":true,"airmass":20.17,"alt":1.87,"az":30.8,"t":"2039-08-03T17:10:00Z","terrain":1.28},{"above_terrain":true,"airmass":17.71,"alt":2.35,"az":31.6,"t":"2039-08-03T17:15:00Z","terrain":1.32},{"above_terrain":true,"airmass":15.69,"alt":2.85,"az":32.4,"t":"2039-08-03T17:20:00Z","terrain":1.18},{"above_terrain":true,"airmass":14.01,"alt":3.35,"az":33.2,"t":"2039-08-03T17:25:00Z","terrain":0.86},{"above_terrain":true,"airmass":12.61,"alt":3.87,"az":34.0,"t":"2039-08-03T17:30:00Z","terrain":0.42},{"above_terrain":true,"airmass":11.42,"alt":4.4,"az":34.8,"t":"2039-08-03T17:35:00Z","terrain":0.13},{"above_terrain":true,"airmass":10.41,"alt":4.94,"az":35.6,"t":"2039-08-03T17:40:00Z","terrain":0.04},{"above_terrain":true,"airmass":9.53,"alt":5.49,"az":36.3,"t":"2039-08-03T17:45:00Z","terrain":-0.01},{"above_terrain":true,"airmass":8.78,"alt":6.05,"az":37.1,"t":"2039-08-03T17:50:00Z","terrain":-0.1},{"above_terrain":true,"airmass":8.12,"alt":6.62,"az":37.8,"t":"2039-08-03T17:55:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.54,"alt":7.2,"az":38.6,"t":"2039-08-03T18:00:00Z","terrain":-0.18},{"above_terrain":true,"airmass":7.03,"alt":7.79,"az":39.3,"t":"2039-08-03T18:05:00Z","terrain":-0.12},{"above_terrain":true,"airmass":6.57,"alt":8.39,"az":40.1,"t":"2039-08-03T18:10:00Z","terrain":-0.05},{"above_terrain":true,"airmass":6.16,"alt":8.99,"az":40.8,"t":"2039-08-03T18:15:00Z","terrain":0.0},{"above_terrain":true,"airmass":5.8,"alt":9.61,"az":41.5,"t":"2039-08-03T18:20:00Z","terrain":0.07},{"above_terrain":true,"airmass":5.47,"alt":10.23,"az":42.2,"t":"2039-08-03T18:25:00Z","terrain":0.15},{"above_terrain":true,"airmass":5.17,"alt":10.87,"az":42.9,"t":"2039-08-03T18:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":4.9,"alt":11.51,"az":43.6,"t":"2039-08-03T18:35:00Z","terrain":0.35},{"above_terrain":true,"airmass":4.65,"alt":12.16,"az":44.3,"t":"2039-08-03T18:40:00Z","terrain":0.46},{"above_terrain":true,"airmass":4.43,"alt":12.81,"az":45.0,"t":"2039-08-03T18:45:00Z","terrain":0.58},{"above_terrain":true,"airmass":4.22,"alt":13.48,"az":45.7,"t":"2039-08-03T18:50:00Z","terrain":0.64},{"above_terrain":true,"airmass":4.03,"alt":14.15,"az":46.3,"t":"2039-08-03T18:55:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.85,"alt":14.83,"az":47.0,"t":"2039-08-03T19:00:00Z","terrain":0.61},{"above_terrain":true,"airmass":3.69,"alt":15.52,"az":47.7,"t":"2039-08-03T19:05:00Z","terrain":0.56},{"above_terrain":true,"airmass":3.54,"alt":16.22,"az":48.3,"t":"2039-08-03T19:10:00Z","terrain":0.49},{"above_terrain":true,"airmass":3.4,"alt":16.92,"az":49.0,"t":"2039-08-03T19:15:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.27,"alt":17.63,"az":49.6,"t":"2039-08-03T19:20:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.15,"alt":18.35,"az":50.3,"t":"2039-08-03T19:25:00Z","terrain":0.43},{"above_terrain":true,"airmass":3.04,"alt":19.07,"az":50.9,"t":"2039-08-03T19:30:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.93,"alt":19.8,"az":51.5,"t":"2039-08-03T19:35:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.83,"alt":20.54,"az":52.1,"t":"2039-08-03T19:40:00Z","terrain":0.66},{"above_terrain":true,"airmass":2.74,"alt":21.28,"az":52.8,"t":"2039-08-03T19:45:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.65,"alt":22.03,"az":53.4,"t":"2039-08-03T19:50:00Z","terrain":0.9},{"above_terrain":true,"airmass":2.57,"alt":22.78,"az":54.0,"t":"2039-08-03T19:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.49,"alt":23.54,"az":54.6,"t":"2039-08-03T20:00:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.42,"alt":24.31,"az":55.2,"t":"2039-08-03T20:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.35,"alt":25.08,"az":55.8,"t":"2039-08-03T20:10:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.28,"alt":25.85,"az":56.3,"t":"2039-08-03T20:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.22,"alt":26.63,"az":56.9,"t":"2039-08-03T20:20:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.16,"alt":27.42,"az":57.5,"t":"2039-08-03T20:25:00Z","terrain":1.16},{"above_terrain":true,"airmass":2.11,"alt":28.21,"az":58.1,"t":"2039-08-03T20:30:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.06,"alt":29.01,"az":58.6,"t":"2039-08-03T20:35:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.01,"alt":29.81,"az":59.2,"t":"2039-08-03T20:40:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.96,"alt":30.62,"az":59.8,"t":"2039-08-03T20:45:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.91,"alt":31.43,"az":60.3,"t":"2039-08-03T20:50:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.87,"alt":32.24,"az":60.9,"t":"2039-08-03T20:55:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.83,"alt":33.06,"az":61.4,"t":"2039-08-03T21:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.79,"alt":33.89,"az":61.9,"t":"2039-08-03T21:05:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.75,"alt":34.72,"az":62.5,"t":"2039-08-03T21:10:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.72,"alt":35.55,"az":63.0,"t":"2039-08-03T21:15:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.68,"alt":36.38,"az":63.5,"t":"2039-08-03T21:20:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.65,"alt":37.22,"az":64.1,"t":"2039-08-03T21:25:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.62,"alt":38.07,"az":64.6,"t":"2039-08-03T21:30:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.59,"alt":38.91,"az":65.1,"t":"2039-08-03T21:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.56,"alt":39.77,"az":65.6,"t":"2039-08-03T21:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.53,"alt":40.62,"az":66.1,"t":"2039-08-03T21:45:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.51,"alt":41.48,"az":66.6,"t":"2039-08-03T21:50:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.48,"alt":42.34,"az":67.1,"t":"2039-08-03T21:55:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.46,"alt":43.2,"az":67.6,"t":"2039-08-03T22:00:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.44,"alt":44.07,"az":68.1,"t":"2039-08-03T22:05:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.41,"alt":44.94,"az":68.6,"t":"2039-08-03T22:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.39,"alt":45.81,"az":69.1,"t":"2039-08-03T22:15:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.37,"alt":46.69,"az":69.6,"t":"2039-08-03T22:20:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.35,"alt":47.57,"az":70.1,"t":"2039-08-03T22:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.33,"alt":48.45,"az":70.6,"t":"2039-08-03T22:30:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.32,"alt":49.33,"az":71.1,"t":"2039-08-03T22:35:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.3,"alt":50.22,"az":71.5,"t":"2039-08-03T22:40:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.28,"alt":51.11,"az":72.0,"t":"2039-08-03T22:45:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.27,"alt":52.0,"az":72.5,"t":"2039-08-03T22:50:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.25,"alt":52.89,"az":73.0,"t":"2039-08-03T22:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.24,"alt":53.79,"az":73.4,"t":"2039-08-03T23:00:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.22,"alt":54.69,"az":73.9,"t":"2039-08-03T23:05:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.21,"alt":55.59,"az":74.4,"t":"2039-08-03T23:10:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.2,"alt":56.49,"az":74.8,"t":"2039-08-03T23:15:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.19,"alt":57.39,"az":75.3,"t":"2039-08-03T23:20:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.17,"alt":58.3,"az":75.8,"t":"2039-08-03T23:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.16,"alt":59.21,"az":76.2,"t":"2039-08-03T23:30:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.15,"alt":60.12,"az":76.7,"t":"2039-08-03T23:35:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.14,"alt":61.03,"az":77.1,"t":"2039-08-03T23:40:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.13,"alt":61.94,"az":77.6,"t":"2039-08-03T23:45:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.12,"alt":62.86,"az":78.1,"t":"2039-08-03T23:50:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.11,"alt":63.77,"az":78.5,"t":"2039-08-03T23:55:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.11,"alt":64.69,"az":79.0,"t":"2039-08-04T00:00:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.1,"alt":65.61,"az":79.4,"t":"2039-08-04T00:05:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.09,"alt":66.53,"az":79.9,"t":"2039-08-04T00:10:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.08,"alt":67.45,"az":80.3,"t":"2039-08-04T00:15:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.08,"alt":68.38,"az":80.8,"t":"2039-08-04T00:20:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.07,"alt":69.3,"az":81.2,"t":"2039-08-04T00:25:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.06,"alt":70.23,"az":81.7,"t":"2039-08-04T00:30:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.06,"alt":71.15,"az":82.2,"t":"2039-08-04T00:35:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.05,"alt":72.08,"az":82.6,"t":"2039-08-04T00:40:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.05,"alt":73.01,"az":83.1,"t":"2039-08-04T00:45:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.04,"alt":73.94,"az":83.5,"t":"2039-08-04T00:50:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.04,"alt":74.87,"az":84.0,"t":"2039-08-04T00:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.03,"alt":75.8,"az":84.5,"t":"2039-08-04T01:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.03,"alt":76.73,"az":85.0,"t":"2039-08-04T01:05:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.02,"alt":77.67,"az":85.5,"t":"2039-08-04T01:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":78.6,"az":86.0,"t":"2039-08-04T01:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":79.53,"az":86.5,"t":"2039-08-04T01:20:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.01,"alt":80.47,"az":87.0,"t":"2039-08-04T01:25:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.01,"alt":81.4,"az":87.6,"t":"2039-08-04T01:30:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.01,"alt":82.34,"az":88.1,"t":"2039-08-04T01:35:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.01,"alt":83.27,"az":88.8,"t":"2039-08-04T01:40:00Z","terrain":-0.17},{"above_terrain":true,"airmass":1.0,"alt":84.21,"az":89.5,"t":"2039-08-04T01:45:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":85.15,"az":90.3,"t":"2039-08-04T01:50:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.0,"alt":86.08,"az":91.3,"t":"2039-08-04T01:55:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.0,"alt":87.02,"az":92.7,"t":"2039-08-04T02:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.0,"alt":87.95,"az":94.9,"t":"2039-08-04T02:05:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.0,"alt":88.88,"az":100.2,"t":"2039-08-04T02:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.0,"alt":89.74,"az":141.7,"t":"2039-08-04T02:15:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.0,"alt":89.2,"az":255.3,"t":"2039-08-04T02:20:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.0,"alt":88.28,"az":263.8,"t":"2039-08-04T02:25:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.0,"alt":87.34,"az":266.7,"t":"2039-08-04T02:30:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.0,"alt":86.41,"az":268.3,"t":"2039-08-04T02:35:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.0,"alt":85.47,"az":269.4,"t":"2039-08-04T02:40:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.0,"alt":84.54,"az":270.2,"t":"2039-08-04T02:45:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.01,"alt":83.6,"az":271.0,"t":"2039-08-04T02:50:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.01,"alt":82.66,"az":271.6,"t":"2039-08-04T02:55:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.01,"alt":81.73,"az":272.2,"t":"2039-08-04T03:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.01,"alt":80.79,"az":272.8,"t":"2039-08-04T03:05:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.02,"alt":79.86,"az":273.3,"t":"2039-08-04T03:10:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.02,"alt":78.93,"az":273.9,"t":"2039-08-04T03:15:00Z","terrain":-0.01},{"above_terrain":true,"airmass":1.02,"alt":77.99,"az":274.4,"t":"2039-08-04T03:20:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.03,"alt":77.06,"az":274.9,"t":"2039-08-04T03:25:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.03,"alt":76.13,"az":275.3,"t":"2039-08-04T03:30:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.03,"alt":75.2,"az":275.8,"t":"2039-08-04T03:35:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.04,"alt":74.26,"az":276.3,"t":"2039-08-04T03:40:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.04,"alt":73.33,"az":276.8,"t":"2039-08-04T03:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.05,"alt":72.41,"az":277.2,"t":"2039-08-04T03:50:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.05,"alt":71.48,"az":277.7,"t":"2039-08-04T03:55:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.06,"alt":70.55,"az":278.1,"t":"2039-08-04T04:00:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.07,"alt":69.62,"az":278.6,"t":"2039-08-04T04:05:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.07,"alt":68.7,"az":279.1,"t":"2039-08-04T04:10:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.08,"alt":67.78,"az":279.5,"t":"2039-08-04T04:15:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.09,"alt":66.85,"az":280.0,"t":"2039-08-04T04:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.09,"alt":65.93,"az":280.4,"t":"2039-08-04T04:25:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.1,"alt":65.01,"az":280.9,"t":"2039-08-04T04:30:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.11,"alt":64.09,"az":281.3,"t":"2039-08-04T04:35:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.12,"alt":63.18,"az":281.8,"t":"2039-08-04T04:40:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.13,"alt":62.26,"az":282.2,"t":"2039-08-04T04:45:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.14,"alt":61.35,"az":282.7,"t":"2039-08-04T04:50:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.15,"alt":60.44,"az":283.2,"t":"2039-08-04T04:55:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.16,"alt":59.53,"az":283.6,"t":"2039-08-04T05:00:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.17,"alt":58.62,"az":284.1,"t":"2039-08-04T05:05:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.18,"alt":57.71,"az":284.5,"t":"2039-08-04T05:10:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.19,"alt":56.8,"az":285.0,"t":"2039-08-04T05:15:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.9,"az":285.5,"t":"2039-08-04T05:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.22,"alt":55.0,"az":285.9,"t":"2039-08-04T05:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.23,"alt":54.1,"az":286.4,"t":"2039-08-04T05:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.25,"alt":53.21,"az":286.9,"t":"2039-08-04T05:35:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.26,"alt":52.31,"az":287.3,"t":"2039-08-04T05:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.28,"alt":51.42,"az":287.8,"t":"2039-08-04T05:45:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.29,"alt":50.53,"az":288.3,"t":"2039-08-04T05:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.31,"alt":49.64,"az":288.8,"t":"2039-08-04T05:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.33,"alt":48.76,"az":289.2,"t":"2039-08-04T06:00:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.35,"alt":47.87,"az":289.7,"t":"2039-08-04T06:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.37,"alt":46.99,"az":290.2,"t":"2039-08-04T06:10:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.39,"alt":46.12,"az":290.7,"t":"2039-08-04T06:15:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.41,"alt":45.24,"az":291.2,"t":"2039-08-04T06:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.43,"alt":44.37,"az":291.7,"t":"2039-08-04T06:25:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.45,"alt":43.5,"az":292.2,"t":"2039-08-04T06:30:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.47,"alt":42.64,"az":292.7,"t":"2039-08-04T06:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.5,"alt":41.78,"az":293.2,"t":"2039-08-04T06:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.52,"alt":40.92,"az":293.7,"t":"2039-08-04T06:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.55,"alt":40.06,"az":294.2,"t":"2039-08-04T06:50:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.58,"alt":39.21,"az":294.7,"t":"2039-08-04T06:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.61,"alt":38.36,"az":295.2,"t":"2039-08-04T07:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.64,"alt":37.52,"az":295.8,"t":"2039-08-04T07:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.67,"alt":36.68,"az":296.3,"t":"2039-08-04T07:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.7,"alt":35.84,"az":296.8,"t":"2039-08-04T07:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.74,"alt":35.01,"az":297.3,"t":"2039-08-04T07:20:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.78,"alt":34.18,"az":297.9,"t":"2039-08-04T07:25:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.81,"alt":33.35,"az":298.4,"t":"2039-08-04T07:30:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.86,"alt":32.53,"az":299.0,"t":"2039-08-04T07:35:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.9,"alt":31.71,"az":299.5,"t":"2039-08-04T07:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.94,"alt":30.9,"az":300.0,"t":"2039-08-04T07:45:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.99,"alt":30.09,"az":300.6,"t":"2039-08-04T07:50:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.04,"alt":29.29,"az":301.2,"t":"2039-08-04T07:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.09,"alt":28.49,"az":301.7,"t":"2039-08-04T08:00:00Z","terrain":0.15},{"above_terrain":true,"airmass":2.14,"alt":27.7,"az":302.3,"t":"2039-08-04T08:05:00Z","terrain":-0.01},{"above_terrain":true,"airmass":2.2,"alt":26.91,"az":302.9,"t":"2039-08-04T08:10:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.26,"alt":26.13,"az":303.4,"t":"2039-08-04T08:15:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.33,"alt":25.35,"az":304.0,"t":"2039-08-04T08:20:00Z","terrain":-0.11},{"above_terrain":true,"airmass":2.39,"alt":24.57,"az":304.6,"t":"2039-08-04T08:25:00Z","terrain":-0.22},{"above_terrain":true,"airmass":2.47,"alt":23.81,"az":305.2,"t":"2039-08-04T08:30:00Z","terrain":-0.26},{"above_terrain":true,"airmass":2.54,"alt":23.04,"az":305.8,"t":"2039-08-04T08:35:00Z","terrain":-0.19},{"above_terrain":true,"airmass":2.62,"alt":22.29,"az":306.4,"t":"2039-08-04T08:40:00Z","terrain":-0.02},{"above_terrain":true,"airmass":2.71,"alt":21.54,"az":307.0,"t":"2039-08-04T08:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.8,"alt":20.79,"az":307.6,"t":"2039-08-04T08:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.9,"alt":20.06,"az":308.3,"t":"2039-08-04T08:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":3.0,"alt":19.32,"az":308.9,"t":"2039-08-04T09:00:00Z","terrain":0.19}],"transit":{"airmass":1.0,"alt":89.7,"az":141.7,"t":"2039-08-04T02:15:00Z"},"usable_hours":5.83,"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."]}