{"assessment":{"best_window":{"end":"2039-04-30T01:35Z","end_local":"04:35","hours":2.92,"label":"good","mean_quality":0.85,"start":"2039-04-29T22:40Z","start_local":"01:40"},"cost":{"altitude":4.09,"clouds":0.0,"darkness":1.32,"moon":0.02},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically worth it \u2014 weather unknown","hourly":[{"alt":-2,"cloud":null,"high":null,"iso":"2039-04-29T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":51,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"21:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2039-04-29T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":40,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"22:00","wind":null},{"alt":6,"cloud":null,"high":null,"iso":"2039-04-29T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":13,"cloud":null,"high":null,"iso":"2039-04-29T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":20,"cloud":null,"high":null,"iso":"2039-04-29T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.4,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":29,"cloud":null,"high":null,"iso":"2039-04-29T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.77,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":39,"cloud":null,"high":null,"iso":"2039-04-30T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.86,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2039-04-30T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-17,"precip":null,"q":0.93,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":59,"cloud":null,"high":null,"iso":"2039-04-30T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-22,"precip":null,"q":0.5,"rh":null,"sky":"astronomical twilight","temp":null,"time":"05:00","wind":null},{"alt":70,"cloud":null,"high":null,"iso":"2039-04-30T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-25,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"06:00","wind":null}],"peak_quality":0.96,"peak_sky":0.96,"quality_hours":3.23,"reasons":["the target being low or below 20\u00b0 cost 4.1 quality-hours","daylight and twilight cost 1.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":78,"score_weather":null,"sky_hours":3.23,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2039-04-29T22:00Z","end_local":"01:00","hours":4.75,"label":"unusable","mean_quality":0.0,"start":"2039-04-29T17:15Z","start_local":"20:15"},{"end":"2039-04-29T22:40Z","end_local":"01:40","hours":0.67,"label":"marginal","mean_quality":0.5,"start":"2039-04-29T22:00Z","start_local":"01:00"},{"end":"2039-04-30T01:35Z","end_local":"04:35","hours":2.92,"label":"good","mean_quality":0.85,"start":"2039-04-29T22:40Z","start_local":"01:40"},{"end":"2039-04-30T02:15Z","end_local":"05:15","hours":0.67,"label":"marginal","mean_quality":0.49,"start":"2039-04-30T01:35Z","start_local":"04:35"},{"end":"2039-04-30T02:50Z","end_local":"05:50","hours":0.58,"label":"poor","mean_quality":0.15,"start":"2039-04-30T02:15Z","start_local":"05:15"},{"end":"2039-04-30T03:20Z","end_local":"06:20","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2039-04-30T02:50Z","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":"2039-04-29T19:03:28Z","dark_hours":6.49,"dark_to":"2039-04-30T01:32:46Z","moon":{"illumination":0.339,"phase":"waxing crescent","waxing":true},"moon_free_dark_hours":2.7,"moonrise":"2039-04-30T08:15:44Z","moonset":"2039-04-29T22:49:40Z","sunrise":"2039-04-30T03:19:29Z","sunset":"2039-04-29T17:16:42Z","twilight":{"astronomical":{"end":"2039-04-29T19:03:28Z","start":"2039-04-30T01:32:46Z"},"civil":{"end":"2039-04-29T17:46:49Z","start":"2039-04-30T02:49:23Z"},"nautical":{"end":"2039-04-29T18:23:35Z","start":"2039-04-30T02:12:38Z"}},"window_end":"2039-04-30T09:00:00Z","window_start":"2039-04-29T09:00:00Z"},"night_date":"2039-04-29","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.24,"alt":54.0,"t":"2039-04-30T01:30:00Z"},"dec":44.33,"dec_of_date":44.4844,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":2.5,"limit_rise":"2039-04-29T21:56:28Z","limit_set":"2039-04-29T11:45:53Z","max_az_rate_deg_per_min":3.59,"moon_separation":108.5,"never_rises":false,"ra":314.69583333,"ra_of_date":315.0478,"ra_str":"20h 58m 47.0s","resolved":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"},"summary":"Only 2.5 h above 30\u00b0, 3.6 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2039-04-29T15:03:05Z","blocked_dark_hours":0,"clears_at":"2039-04-29T19:02:29Z","rise_az":295.5},"track":[{"above_terrain":true,"airmass":1.39,"alt":45.82,"az":295.5,"t":"2039-04-29T09:00:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.41,"alt":44.98,"az":295.9,"t":"2039-04-29T09:05:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.43,"alt":44.14,"az":296.3,"t":"2039-04-29T09:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.46,"alt":43.3,"az":296.7,"t":"2039-04-29T09:15:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.48,"alt":42.46,"az":297.2,"t":"2039-04-29T09:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.5,"alt":41.63,"az":297.6,"t":"2039-04-29T09:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.53,"alt":40.81,"az":298.1,"t":"2039-04-29T09:30:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.55,"alt":39.98,"az":298.5,"t":"2039-04-29T09:35:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.58,"alt":39.16,"az":299.0,"t":"2039-04-29T09:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.61,"alt":38.34,"az":299.5,"t":"2039-04-29T09:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.64,"alt":37.53,"az":299.9,"t":"2039-04-29T09:50:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.67,"alt":36.72,"az":300.4,"t":"2039-04-29T09:55:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.7,"alt":35.92,"az":300.9,"t":"2039-04-29T10:00:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.73,"alt":35.12,"az":301.4,"t":"2039-04-29T10:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.77,"alt":34.32,"az":301.9,"t":"2039-04-29T10:10:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.81,"alt":33.53,"az":302.4,"t":"2039-04-29T10:15:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.84,"alt":32.74,"az":302.9,"t":"2039-04-29T10:20:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.88,"alt":31.95,"az":303.4,"t":"2039-04-29T10:25:00Z","terrain":-0.18},{"above_terrain":true,"airmass":1.93,"alt":31.18,"az":303.9,"t":"2039-04-29T10:30:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.97,"alt":30.4,"az":304.4,"t":"2039-04-29T10:35:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.02,"alt":29.63,"az":305.0,"t":"2039-04-29T10:40:00Z","terrain":-0.28},{"above_terrain":true,"airmass":2.06,"alt":28.87,"az":305.5,"t":"2039-04-29T10:45:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.12,"alt":28.11,"az":306.0,"t":"2039-04-29T10:50:00Z","terrain":-0.16},{"above_terrain":true,"airmass":2.17,"alt":27.35,"az":306.6,"t":"2039-04-29T10:55:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.22,"alt":26.6,"az":307.1,"t":"2039-04-29T11:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.28,"alt":25.86,"az":307.7,"t":"2039-04-29T11:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.35,"alt":25.12,"az":308.2,"t":"2039-04-29T11:10:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.41,"alt":24.39,"az":308.8,"t":"2039-04-29T11:15:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.48,"alt":23.66,"az":309.4,"t":"2039-04-29T11:20:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.55,"alt":22.94,"az":309.9,"t":"2039-04-29T11:25:00Z","terrain":0.22},{"above_terrain":true,"airmass":2.63,"alt":22.23,"az":310.5,"t":"2039-04-29T11:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.71,"alt":21.52,"az":311.1,"t":"2039-04-29T11:35:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.8,"alt":20.82,"az":311.7,"t":"2039-04-29T11:40:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.89,"alt":20.12,"az":312.3,"t":"2039-04-29T11:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.98,"alt":19.43,"az":312.9,"t":"2039-04-29T11:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.09,"alt":18.75,"az":313.5,"t":"2039-04-29T11:55:00Z","terrain":0.37},{"above_terrain":true,"airmass":3.19,"alt":18.08,"az":314.1,"t":"2039-04-29T12:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":3.31,"alt":17.41,"az":314.8,"t":"2039-04-29T12:05:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.43,"alt":16.75,"az":315.4,"t":"2039-04-29T12:10:00Z","terrain":0.53},{"above_terrain":true,"airmass":3.57,"alt":16.09,"az":316.0,"t":"2039-04-29T12:15:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.71,"alt":15.45,"az":316.7,"t":"2039-04-29T12:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":3.86,"alt":14.81,"az":317.3,"t":"2039-04-29T12:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.02,"alt":14.18,"az":318.0,"t":"2039-04-29T12:30:00Z","terrain":0.33},{"above_terrain":true,"airmass":4.2,"alt":13.56,"az":318.6,"t":"2039-04-29T12:35:00Z","terrain":0.03},{"above_terrain":true,"airmass":4.39,"alt":12.94,"az":319.3,"t":"2039-04-29T12:40:00Z","terrain":-0.16},{"above_terrain":true,"airmass":4.59,"alt":12.33,"az":320.0,"t":"2039-04-29T12:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.81,"alt":11.74,"az":320.7,"t":"2039-04-29T12:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.05,"alt":11.15,"az":321.3,"t":"2039-04-29T12:55:00Z","terrain":-0.06},{"above_terrain":true,"airmass":5.31,"alt":10.57,"az":322.0,"t":"2039-04-29T13:00:00Z","terrain":0.21},{"above_terrain":true,"airmass":5.59,"alt":10.0,"az":322.7,"t":"2039-04-29T13:05:00Z","terrain":0.11},{"above_terrain":true,"airmass":5.9,"alt":9.43,"az":323.4,"t":"2039-04-29T13:10:00Z","terrain":-0.05},{"above_terrain":true,"airmass":6.23,"alt":8.88,"az":324.2,"t":"2039-04-29T13:15:00Z","terrain":-0.21},{"above_terrain":true,"airmass":6.6,"alt":8.34,"az":324.9,"t":"2039-04-29T13:20:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.01,"alt":7.8,"az":325.6,"t":"2039-04-29T13:25:00Z","terrain":-0.22},{"above_terrain":true,"airmass":7.46,"alt":7.28,"az":326.3,"t":"2039-04-29T13:30:00Z","terrain":-0.29},{"above_terrain":true,"airmass":7.96,"alt":6.77,"az":327.1,"t":"2039-04-29T13:35:00Z","terrain":-0.38},{"above_terrain":true,"airmass":8.52,"alt":6.26,"az":327.8,"t":"2039-04-29T13:40:00Z","terrain":-0.26},{"above_terrain":true,"airmass":9.14,"alt":5.77,"az":328.6,"t":"2039-04-29T13:45:00Z","terrain":-0.17},{"above_terrain":true,"airmass":9.84,"alt":5.29,"az":329.3,"t":"2039-04-29T13:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":10.63,"alt":4.81,"az":330.1,"t":"2039-04-29T13:55:00Z","terrain":-0.35},{"above_terrain":true,"airmass":11.52,"alt":4.35,"az":330.8,"t":"2039-04-29T14:00:00Z","terrain":-0.38},{"above_terrain":true,"airmass":12.54,"alt":3.9,"az":331.6,"t":"2039-04-29T14:05:00Z","terrain":-0.24},{"above_terrain":true,"airmass":13.7,"alt":3.46,"az":332.4,"t":"2039-04-29T14:10:00Z","terrain":-0.13},{"above_terrain":true,"airmass":15.03,"alt":3.04,"az":333.2,"t":"2039-04-29T14:15:00Z","terrain":-0.14},{"above_terrain":true,"airmass":16.57,"alt":2.62,"az":334.0,"t":"2039-04-29T14:20:00Z","terrain":-0.23},{"above_terrain":true,"airmass":18.35,"alt":2.21,"az":334.8,"t":"2039-04-29T14:25:00Z","terrain":-0.51},{"above_terrain":true,"airmass":20.43,"alt":1.82,"az":335.6,"t":"2039-04-29T14:30:00Z","terrain":-0.73},{"above_terrain":true,"airmass":22.85,"alt":1.44,"az":336.4,"t":"2039-04-29T14:35:00Z","terrain":-0.79},{"above_terrain":true,"airmass":25.69,"alt":1.07,"az":337.2,"t":"2039-04-29T14:40:00Z","terrain":-0.68},{"above_terrain":true,"airmass":29.02,"alt":0.72,"az":338.0,"t":"2039-04-29T14:45:00Z","terrain":-0.48},{"above_terrain":true,"airmass":32.88,"alt":0.37,"az":338.9,"t":"2039-04-29T14:50:00Z","terrain":-0.71},{"above_terrain":true,"airmass":37.33,"alt":0.04,"az":339.7,"t":"2039-04-29T14:55:00Z","terrain":-0.6},{"above_terrain":true,"airmass":null,"alt":-0.28,"az":340.5,"t":"2039-04-29T15:00:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-0.58,"az":341.4,"t":"2039-04-29T15:05:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-0.88,"az":342.2,"t":"2039-04-29T15:10:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-1.16,"az":343.1,"t":"2039-04-29T15:15:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-1.42,"az":343.9,"t":"2039-04-29T15:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.68,"az":344.8,"t":"2039-04-29T15:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.91,"az":345.6,"t":"2039-04-29T15:30:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-2.14,"az":346.5,"t":"2039-04-29T15:35:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-2.35,"az":347.4,"t":"2039-04-29T15:40:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-2.55,"az":348.2,"t":"2039-04-29T15:45:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-2.73,"az":349.1,"t":"2039-04-29T15:50:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-2.9,"az":350.0,"t":"2039-04-29T15:55:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.06,"az":350.9,"t":"2039-04-29T16:00:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.2,"az":351.8,"t":"2039-04-29T16:05:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-3.33,"az":352.6,"t":"2039-04-29T16:10:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-3.44,"az":353.5,"t":"2039-04-29T16:15:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-3.54,"az":354.4,"t":"2039-04-29T16:20:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.62,"az":355.3,"t":"2039-04-29T16:25:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-3.69,"az":356.2,"t":"2039-04-29T16:30:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.75,"az":357.1,"t":"2039-04-29T16:35:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-3.79,"az":358.0,"t":"2039-04-29T16:40:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":358.9,"t":"2039-04-29T16:45:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":359.8,"t":"2039-04-29T16:50:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":0.7,"t":"2039-04-29T16:55:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-3.8,"az":1.6,"t":"2039-04-29T17:00:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":2.5,"t":"2039-04-29T17:05:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":3.4,"t":"2039-04-29T17:10:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-3.66,"az":4.3,"t":"2039-04-29T17:15:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-3.58,"az":5.2,"t":"2039-04-29T17:20:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-3.49,"az":6.0,"t":"2039-04-29T17:25:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-3.38,"az":6.9,"t":"2039-04-29T17:30:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-3.26,"az":7.8,"t":"2039-04-29T17:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.13,"az":8.7,"t":"2039-04-29T17:40:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-2.98,"az":9.6,"t":"2039-04-29T17:45:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-2.82,"az":10.5,"t":"2039-04-29T17:50:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-2.64,"az":11.4,"t":"2039-04-29T17:55:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-2.45,"az":12.2,"t":"2039-04-29T18:00:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-2.24,"az":13.1,"t":"2039-04-29T18:05:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-2.02,"az":14.0,"t":"2039-04-29T18:10:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-1.79,"az":14.8,"t":"2039-04-29T18:15:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-1.54,"az":15.7,"t":"2039-04-29T18:20:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-1.28,"az":16.5,"t":"2039-04-29T18:25:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-1.01,"az":17.4,"t":"2039-04-29T18:30:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-0.72,"az":18.2,"t":"2039-04-29T18:35:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-0.43,"az":19.1,"t":"2039-04-29T18:40:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-0.11,"az":19.9,"t":"2039-04-29T18:45:00Z","terrain":0.67},{"above_terrain":false,"airmass":34.91,"alt":0.21,"az":20.8,"t":"2039-04-29T18:50:00Z","terrain":0.69},{"above_terrain":false,"airmass":30.77,"alt":0.55,"az":21.6,"t":"2039-04-29T18:55:00Z","terrain":0.87},{"above_terrain":false,"airmass":27.2,"alt":0.9,"az":22.4,"t":"2039-04-29T19:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":24.14,"alt":1.26,"az":23.2,"t":"2039-04-29T19:05:00Z","terrain":1.11},{"above_terrain":true,"airmass":21.53,"alt":1.64,"az":24.0,"t":"2039-04-29T19:10:00Z","terrain":0.93},{"above_terrain":true,"airmass":19.29,"alt":2.03,"az":24.8,"t":"2039-04-29T19:15:00Z","terrain":1.17},{"above_terrain":true,"airmass":17.38,"alt":2.43,"az":25.6,"t":"2039-04-29T19:20:00Z","terrain":1.3},{"above_terrain":true,"airmass":15.73,"alt":2.84,"az":26.4,"t":"2039-04-29T19:25:00Z","terrain":1.31},{"above_terrain":true,"airmass":14.3,"alt":3.26,"az":27.2,"t":"2039-04-29T19:30:00Z","terrain":1.26},{"above_terrain":true,"airmass":13.06,"alt":3.69,"az":28.0,"t":"2039-04-29T19:35:00Z","terrain":1.19},{"above_terrain":true,"airmass":11.98,"alt":4.14,"az":28.8,"t":"2039-04-29T19:40:00Z","terrain":1.04},{"above_terrain":true,"airmass":11.04,"alt":4.59,"az":29.6,"t":"2039-04-29T19:45:00Z","terrain":1.08},{"above_terrain":true,"airmass":10.2,"alt":5.06,"az":30.3,"t":"2039-04-29T19:50:00Z","terrain":1.2},{"above_terrain":true,"airmass":9.46,"alt":5.54,"az":31.1,"t":"2039-04-29T19:55:00Z","terrain":1.31},{"above_terrain":true,"airmass":8.81,"alt":6.03,"az":31.8,"t":"2039-04-29T20:00:00Z","terrain":1.33},{"above_terrain":true,"airmass":8.22,"alt":6.53,"az":32.6,"t":"2039-04-29T20:05:00Z","terrain":1.13},{"above_terrain":true,"airmass":7.69,"alt":7.04,"az":33.3,"t":"2039-04-29T20:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":7.22,"alt":7.56,"az":34.1,"t":"2039-04-29T20:15:00Z","terrain":0.41},{"above_terrain":true,"airmass":6.79,"alt":8.08,"az":34.8,"t":"2039-04-29T20:20:00Z","terrain":0.13},{"above_terrain":true,"airmass":6.4,"alt":8.62,"az":35.5,"t":"2039-04-29T20:25:00Z","terrain":0.04},{"above_terrain":true,"airmass":6.05,"alt":9.17,"az":36.2,"t":"2039-04-29T20:30:00Z","terrain":0.0},{"above_terrain":true,"airmass":5.73,"alt":9.73,"az":36.9,"t":"2039-04-29T20:35:00Z","terrain":-0.08},{"above_terrain":true,"airmass":5.44,"alt":10.3,"az":37.6,"t":"2039-04-29T20:40:00Z","terrain":-0.17},{"above_terrain":true,"airmass":5.17,"alt":10.87,"az":38.3,"t":"2039-04-29T20:45:00Z","terrain":-0.19},{"above_terrain":true,"airmass":4.92,"alt":11.46,"az":39.0,"t":"2039-04-29T20:50:00Z","terrain":-0.16},{"above_terrain":true,"airmass":4.69,"alt":12.05,"az":39.7,"t":"2039-04-29T20:55:00Z","terrain":-0.08},{"above_terrain":true,"airmass":4.48,"alt":12.65,"az":40.4,"t":"2039-04-29T21:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":4.28,"alt":13.26,"az":41.0,"t":"2039-04-29T21:05:00Z","terrain":0.02},{"above_terrain":true,"airmass":4.1,"alt":13.88,"az":41.7,"t":"2039-04-29T21:10:00Z","terrain":0.09},{"above_terrain":true,"airmass":3.94,"alt":14.51,"az":42.4,"t":"2039-04-29T21:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.78,"alt":15.14,"az":43.0,"t":"2039-04-29T21:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.63,"alt":15.79,"az":43.7,"t":"2039-04-29T21:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":3.5,"alt":16.44,"az":44.3,"t":"2039-04-29T21:30:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.37,"alt":17.09,"az":44.9,"t":"2039-04-29T21:35:00Z","terrain":0.57},{"above_terrain":true,"airmass":3.25,"alt":17.76,"az":45.6,"t":"2039-04-29T21:40:00Z","terrain":0.63},{"above_terrain":true,"airmass":3.14,"alt":18.43,"az":46.2,"t":"2039-04-29T21:45:00Z","terrain":0.66},{"above_terrain":true,"airmass":3.03,"alt":19.11,"az":46.8,"t":"2039-04-29T21:50:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.93,"alt":19.8,"az":47.4,"t":"2039-04-29T21:55:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.84,"alt":20.49,"az":48.0,"t":"2039-04-29T22:00:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.75,"alt":21.19,"az":48.6,"t":"2039-04-29T22:05:00Z","terrain":0.46},{"above_terrain":true,"airmass":2.67,"alt":21.89,"az":49.2,"t":"2039-04-29T22:10:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.59,"alt":22.6,"az":49.8,"t":"2039-04-29T22:15:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.51,"alt":23.32,"az":50.4,"t":"2039-04-29T22:20:00Z","terrain":0.45},{"above_terrain":true,"airmass":2.44,"alt":24.05,"az":50.9,"t":"2039-04-29T22:25:00Z","terrain":0.52},{"above_terrain":true,"airmass":2.38,"alt":24.77,"az":51.5,"t":"2039-04-29T22:30:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.31,"alt":25.51,"az":52.1,"t":"2039-04-29T22:35:00Z","terrain":0.64},{"above_terrain":true,"airmass":2.25,"alt":26.25,"az":52.6,"t":"2039-04-29T22:40:00Z","terrain":0.76},{"above_terrain":true,"airmass":2.19,"alt":27.0,"az":53.2,"t":"2039-04-29T22:45:00Z","terrain":0.87},{"above_terrain":true,"airmass":2.14,"alt":27.75,"az":53.7,"t":"2039-04-29T22:50:00Z","terrain":0.96},{"above_terrain":true,"airmass":2.09,"alt":28.51,"az":54.3,"t":"2039-04-29T22:55:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.04,"alt":29.27,"az":54.8,"t":"2039-04-29T23:00:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.99,"alt":30.04,"az":55.3,"t":"2039-04-29T23:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.95,"alt":30.81,"az":55.8,"t":"2039-04-29T23:10:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.9,"alt":31.59,"az":56.4,"t":"2039-04-29T23:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.86,"alt":32.37,"az":56.9,"t":"2039-04-29T23:20:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.82,"alt":33.15,"az":57.4,"t":"2039-04-29T23:25:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.79,"alt":33.94,"az":57.9,"t":"2039-04-29T23:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.75,"alt":34.74,"az":58.4,"t":"2039-04-29T23:35:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.72,"alt":35.54,"az":58.9,"t":"2039-04-29T23:40:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.68,"alt":36.34,"az":59.4,"t":"2039-04-29T23:45:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.65,"alt":37.15,"az":59.8,"t":"2039-04-29T23:50:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.62,"alt":37.96,"az":60.3,"t":"2039-04-29T23:55:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.59,"alt":38.77,"az":60.8,"t":"2039-04-30T00:00:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.57,"alt":39.59,"az":61.2,"t":"2039-04-30T00:05:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.54,"alt":40.42,"az":61.7,"t":"2039-04-30T00:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.51,"alt":41.24,"az":62.2,"t":"2039-04-30T00:15:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.49,"alt":42.07,"az":62.6,"t":"2039-04-30T00:20:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.47,"alt":42.9,"az":63.0,"t":"2039-04-30T00:25:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.44,"alt":43.74,"az":63.5,"t":"2039-04-30T00:30:00Z","terrain":0.84},{"above_terrain":true,"airmass":1.42,"alt":44.58,"az":63.9,"t":"2039-04-30T00:35:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.4,"alt":45.42,"az":64.3,"t":"2039-04-30T00:40:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.38,"alt":46.27,"az":64.8,"t":"2039-04-30T00:45:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.36,"alt":47.11,"az":65.2,"t":"2039-04-30T00:50:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.35,"alt":47.96,"az":65.6,"t":"2039-04-30T00:55:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.33,"alt":48.82,"az":66.0,"t":"2039-04-30T01:00:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.31,"alt":49.67,"az":66.4,"t":"2039-04-30T01:05:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.29,"alt":50.53,"az":66.8,"t":"2039-04-30T01:10:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.28,"alt":51.39,"az":67.1,"t":"2039-04-30T01:15:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.26,"alt":52.26,"az":67.5,"t":"2039-04-30T01:20:00Z","terrain":0.96},{"above_terrain":true,"airmass":1.25,"alt":53.12,"az":67.9,"t":"2039-04-30T01:25:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.24,"alt":53.99,"az":68.3,"t":"2039-04-30T01:30:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.22,"alt":54.86,"az":68.6,"t":"2039-04-30T01:35:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.21,"alt":55.73,"az":68.9,"t":"2039-04-30T01:40:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.2,"alt":56.61,"az":69.3,"t":"2039-04-30T01:45:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.19,"alt":57.49,"az":69.6,"t":"2039-04-30T01:50:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.17,"alt":58.36,"az":69.9,"t":"2039-04-30T01:55:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.16,"alt":59.24,"az":70.2,"t":"2039-04-30T02:00:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.15,"alt":60.13,"az":70.5,"t":"2039-04-30T02:05:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.14,"alt":61.01,"az":70.8,"t":"2039-04-30T02:10:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.13,"alt":61.89,"az":71.1,"t":"2039-04-30T02:15:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.12,"alt":62.78,"az":71.3,"t":"2039-04-30T02:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.67,"az":71.6,"t":"2039-04-30T02:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.11,"alt":64.56,"az":71.8,"t":"2039-04-30T02:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":65.45,"az":72.0,"t":"2039-04-30T02:35:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.09,"alt":66.34,"az":72.2,"t":"2039-04-30T02:40:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.08,"alt":67.23,"az":72.4,"t":"2039-04-30T02:45:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.08,"alt":68.12,"az":72.5,"t":"2039-04-30T02:50:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.07,"alt":69.01,"az":72.7,"t":"2039-04-30T02:55:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.06,"alt":69.91,"az":72.8,"t":"2039-04-30T03:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.06,"alt":70.8,"az":72.8,"t":"2039-04-30T03:05:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.05,"alt":71.7,"az":72.8,"t":"2039-04-30T03:10:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.05,"alt":72.59,"az":72.8,"t":"2039-04-30T03:15:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.04,"alt":73.48,"az":72.7,"t":"2039-04-30T03:20:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.04,"alt":74.38,"az":72.6,"t":"2039-04-30T03:25:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.03,"alt":75.27,"az":72.4,"t":"2039-04-30T03:30:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.03,"alt":76.16,"az":72.1,"t":"2039-04-30T03:35:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.03,"alt":77.05,"az":71.7,"t":"2039-04-30T03:40:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.02,"alt":77.94,"az":71.2,"t":"2039-04-30T03:45:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.02,"alt":78.82,"az":70.6,"t":"2039-04-30T03:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.02,"alt":79.7,"az":69.7,"t":"2039-04-30T03:55:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.01,"alt":80.58,"az":68.6,"t":"2039-04-30T04:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.01,"alt":81.45,"az":67.2,"t":"2039-04-30T04:05:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.01,"alt":82.3,"az":65.4,"t":"2039-04-30T04:10:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.01,"alt":83.15,"az":63.1,"t":"2039-04-30T04:15:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.01,"alt":83.97,"az":60.0,"t":"2039-04-30T04:20:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.0,"alt":84.76,"az":55.8,"t":"2039-04-30T04:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.0,"alt":85.51,"az":49.9,"t":"2039-04-30T04:30:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.0,"alt":86.18,"az":41.8,"t":"2039-04-30T04:35:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.0,"alt":86.74,"az":30.4,"t":"2039-04-30T04:40:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.0,"alt":87.1,"az":15.1,"t":"2039-04-30T04:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.0,"alt":87.2,"az":357.1,"t":"2039-04-30T04:50:00Z","terrain":0.73},{"above_terrain":true,"airmass":1.0,"alt":87.01,"az":339.7,"t":"2039-04-30T04:55:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.0,"alt":86.58,"az":325.6,"t":"2039-04-30T05:00:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.0,"alt":85.98,"az":315.3,"t":"2039-04-30T05:05:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.0,"alt":85.28,"az":308.0,"t":"2039-04-30T05:10:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.0,"alt":84.52,"az":302.8,"t":"2039-04-30T05:15:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.01,"alt":83.71,"az":299.0,"t":"2039-04-30T05:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.01,"alt":82.88,"az":296.1,"t":"2039-04-30T05:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.01,"alt":82.04,"az":293.9,"t":"2039-04-30T05:30:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.01,"alt":81.17,"az":292.3,"t":"2039-04-30T05:35:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.01,"alt":80.3,"az":291.0,"t":"2039-04-30T05:40:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.02,"alt":79.43,"az":290.0,"t":"2039-04-30T05:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.02,"alt":78.55,"az":289.2,"t":"2039-04-30T05:50:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.02,"alt":77.66,"az":288.6,"t":"2039-04-30T05:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.03,"alt":76.77,"az":288.1,"t":"2039-04-30T06:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":75.88,"az":287.8,"t":"2039-04-30T06:05:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.03,"alt":74.99,"az":287.5,"t":"2039-04-30T06:10:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.04,"alt":74.1,"az":287.4,"t":"2039-04-30T06:15:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.04,"alt":73.2,"az":287.2,"t":"2039-04-30T06:20:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.05,"alt":72.31,"az":287.2,"t":"2039-04-30T06:25:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.05,"alt":71.42,"az":287.2,"t":"2039-04-30T06:30:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.06,"alt":70.52,"az":287.2,"t":"2039-04-30T06:35:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.07,"alt":69.63,"az":287.3,"t":"2039-04-30T06:40:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.07,"alt":68.73,"az":287.4,"t":"2039-04-30T06:45:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.08,"alt":67.84,"az":287.5,"t":"2039-04-30T06:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.09,"alt":66.95,"az":287.7,"t":"2039-04-30T06:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.09,"alt":66.06,"az":287.8,"t":"2039-04-30T07:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.1,"alt":65.17,"az":288.0,"t":"2039-04-30T07:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.11,"alt":64.28,"az":288.2,"t":"2039-04-30T07:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.39,"az":288.5,"t":"2039-04-30T07:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":62.5,"az":288.7,"t":"2039-04-30T07:20:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.62,"az":289.0,"t":"2039-04-30T07:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.73,"az":289.3,"t":"2039-04-30T07:30:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.16,"alt":59.85,"az":289.6,"t":"2039-04-30T07:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.17,"alt":58.97,"az":289.9,"t":"2039-04-30T07:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.18,"alt":58.09,"az":290.2,"t":"2039-04-30T07:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.19,"alt":57.21,"az":290.5,"t":"2039-04-30T07:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.2,"alt":56.34,"az":290.8,"t":"2039-04-30T07:55:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.21,"alt":55.46,"az":291.2,"t":"2039-04-30T08:00:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.23,"alt":54.59,"az":291.5,"t":"2039-04-30T08:05:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.24,"alt":53.72,"az":291.9,"t":"2039-04-30T08:10:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.25,"alt":52.85,"az":292.2,"t":"2039-04-30T08:15:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.27,"alt":51.99,"az":292.6,"t":"2039-04-30T08:20:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.28,"alt":51.12,"az":293.0,"t":"2039-04-30T08:25:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.3,"alt":50.26,"az":293.4,"t":"2039-04-30T08:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.32,"alt":49.41,"az":293.7,"t":"2039-04-30T08:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.33,"alt":48.55,"az":294.1,"t":"2039-04-30T08:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.35,"alt":47.7,"az":294.5,"t":"2039-04-30T08:45:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.37,"alt":46.85,"az":295.0,"t":"2039-04-30T08:50:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.39,"alt":46.0,"az":295.4,"t":"2039-04-30T08:55:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.41,"alt":45.16,"az":295.8,"t":"2039-04-30T09:00:00Z","terrain":0.31}],"transit":{"airmass":1.0,"alt":87.2,"az":357.1,"t":"2039-04-30T04:50:00Z"},"usable_hours":3.58,"verdict":"marginal","zenith_passage":true},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}