{"assessment":{"best_window":{"end":"2028-09-20T02:35Z","end_local":"05:35","hours":1.83,"label":"good","mean_quality":0.79,"start":"2028-09-20T00:45Z","start_local":"03:45"},"cost":{"altitude":7.3,"clouds":0.0,"darkness":1.07,"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 possible, with compromises \u2014 weather unknown","hourly":[{"alt":-51,"cloud":null,"high":null,"iso":"2028-09-19T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-8,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"20:00","wind":null},{"alt":-45,"cloud":null,"high":null,"iso":"2028-09-19T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":-36,"cloud":null,"high":null,"iso":"2028-09-19T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-29,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-26,"cloud":null,"high":null,"iso":"2028-09-19T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-39,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-15,"cloud":null,"high":null,"iso":"2028-09-19T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-49,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2028-09-19T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-56,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2028-09-19T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-59,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":18,"cloud":null,"high":null,"iso":"2028-09-20T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-58,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":28,"cloud":null,"high":null,"iso":"2028-09-20T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-52,"precip":null,"q":0.7,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2028-09-20T02:00Z","label":"good","low":null,"mid":null,"moon_alt":-44,"precip":null,"q":0.84,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":41,"cloud":null,"high":null,"iso":"2028-09-20T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-34,"precip":null,"q":0.44,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2028-09-20T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-23,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.86,"peak_sky":0.86,"quality_hours":2.02,"reasons":["the target being low or below 20\u00b0 cost 7.3 quality-hours","daylight and twilight cost 1.1 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":43,"score_weather":null,"sky_hours":2.02,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2028-09-20T00:15Z","end_local":"03:15","hours":7.92,"label":"unusable","mean_quality":0.0,"start":"2028-09-19T16:20Z","start_local":"19:20"},{"end":"2028-09-20T00:45Z","end_local":"03:45","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2028-09-20T00:15Z","start_local":"03:15"},{"end":"2028-09-20T02:35Z","end_local":"05:35","hours":1.83,"label":"good","mean_quality":0.79,"start":"2028-09-20T00:45Z","start_local":"03:45"},{"end":"2028-09-20T03:10Z","end_local":"06:10","hours":0.58,"label":"marginal","mean_quality":0.43,"start":"2028-09-20T02:35Z","start_local":"05:35"},{"end":"2028-09-20T03:40Z","end_local":"06:40","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2028-09-20T03:10Z","start_local":"06:10"},{"end":"2028-09-20T04:10Z","end_local":"07:10","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-09-20T03:40Z","start_local":"06:40"}]},"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":"2028-09-19T17:56:33Z","dark_hours":8.61,"dark_to":"2028-09-20T02:33:00Z","moon":{"illumination":0.023,"phase":"new moon","waxing":true},"moon_free_dark_hours":8.6,"moonrise":"2028-09-20T06:15:15Z","moonset":"2028-09-19T16:17:40Z","sunrise":"2028-09-20T04:06:44Z","sunset":"2028-09-19T16:22:56Z","twilight":{"astronomical":{"end":"2028-09-19T17:56:33Z","start":"2028-09-20T02:33:00Z"},"civil":{"end":"2028-09-19T16:50:40Z","start":"2028-09-20T03:38:57Z"},"nautical":{"end":"2028-09-19T17:23:15Z","start":"2028-09-20T03:06:20Z"}},"window_end":"2028-09-20T09:00:00Z","window_start":"2028-09-19T09:00:00Z"},"night_date":"2028-09-19","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.6,"alt":38.7,"t":"2028-09-20T02:30:00Z"},"dec":-5.3876,"dec_of_date":-5.3709,"dec_str":"-05\u00b0 23' 15.4\"","good_hours":1.25,"limit_rise":"2028-09-20T00:11:50Z","limit_set":"2028-09-20T07:47:02Z","max_az_rate_deg_per_min":0.0,"moon_separation":105.8,"never_rises":false,"ra":83.8201,"ra_of_date":84.1731,"ra_str":"05h 35m 16.8s","resolved":{"common_name":"Great Orion Nebula","dec":-5.3876,"name":"M 42","ra":83.8201,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M42","source":"sesame","type":"HII","type_text":"HII region \u2014 a star-forming nebula"},"summary":"Only 1.2 h above 30\u00b0, 2.3 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2028-09-19T09:38:15Z","blocked_dark_hours":0,"clears_at":"2028-09-19T22:23:15Z","rise_az":255.5},"track":[{"above_terrain":true,"airmass":6.9,"alt":7.94,"az":255.5,"t":"2028-09-19T09:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":7.69,"alt":7.04,"az":256.3,"t":"2028-09-19T09:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":8.69,"alt":6.12,"az":257.2,"t":"2028-09-19T09:10:00Z","terrain":0.42},{"above_terrain":true,"airmass":9.96,"alt":5.21,"az":258.0,"t":"2028-09-19T09:15:00Z","terrain":0.37},{"above_terrain":true,"airmass":11.65,"alt":4.29,"az":258.9,"t":"2028-09-19T09:20:00Z","terrain":0.47},{"above_terrain":true,"airmass":13.96,"alt":3.37,"az":259.7,"t":"2028-09-19T09:25:00Z","terrain":0.54},{"above_terrain":true,"airmass":17.27,"alt":2.45,"az":260.6,"t":"2028-09-19T09:30:00Z","terrain":0.72},{"above_terrain":true,"airmass":22.26,"alt":1.53,"az":261.4,"t":"2028-09-19T09:35:00Z","terrain":0.9},{"above_terrain":false,"airmass":30.23,"alt":0.6,"az":262.3,"t":"2028-09-19T09:40:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-0.33,"az":263.1,"t":"2028-09-19T09:45:00Z","terrain":0.78},{"above_terrain":false,"airmass":null,"alt":-1.26,"az":263.9,"t":"2028-09-19T09:50:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-2.19,"az":264.8,"t":"2028-09-19T09:55:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-3.12,"az":265.6,"t":"2028-09-19T10:00:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-4.06,"az":266.4,"t":"2028-09-19T10:05:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-4.99,"az":267.2,"t":"2028-09-19T10:10:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-5.93,"az":268.1,"t":"2028-09-19T10:15:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":268.9,"t":"2028-09-19T10:20:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-7.8,"az":269.7,"t":"2028-09-19T10:25:00Z","terrain":0.86},{"above_terrain":false,"airmass":null,"alt":-8.73,"az":270.6,"t":"2028-09-19T10:30:00Z","terrain":0.83},{"above_terrain":false,"airmass":null,"alt":-9.67,"az":271.4,"t":"2028-09-19T10:35:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-10.6,"az":272.2,"t":"2028-09-19T10:40:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-11.54,"az":273.1,"t":"2028-09-19T10:45:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-12.47,"az":273.9,"t":"2028-09-19T10:50:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-13.41,"az":274.8,"t":"2028-09-19T10:55:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-14.34,"az":275.6,"t":"2028-09-19T11:00:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-15.27,"az":276.5,"t":"2028-09-19T11:05:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-16.2,"az":277.4,"t":"2028-09-19T11:10:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-17.13,"az":278.2,"t":"2028-09-19T11:15:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-18.05,"az":279.1,"t":"2028-09-19T11:20:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-18.97,"az":280.0,"t":"2028-09-19T11:25:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-19.89,"az":280.9,"t":"2028-09-19T11:30:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-20.81,"az":281.8,"t":"2028-09-19T11:35:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-21.73,"az":282.7,"t":"2028-09-19T11:40:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-22.64,"az":283.6,"t":"2028-09-19T11:45:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-23.55,"az":284.6,"t":"2028-09-19T11:50:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-24.45,"az":285.5,"t":"2028-09-19T11:55:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-25.35,"az":286.5,"t":"2028-09-19T12:00:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-26.24,"az":287.4,"t":"2028-09-19T12:05:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-27.14,"az":288.4,"t":"2028-09-19T12:10:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-28.02,"az":289.4,"t":"2028-09-19T12:15:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-28.9,"az":290.4,"t":"2028-09-19T12:20:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-29.78,"az":291.4,"t":"2028-09-19T12:25:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-30.64,"az":292.5,"t":"2028-09-19T12:30:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-31.51,"az":293.5,"t":"2028-09-19T12:35:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-32.36,"az":294.6,"t":"2028-09-19T12:40:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-33.21,"az":295.7,"t":"2028-09-19T12:45:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-34.05,"az":296.8,"t":"2028-09-19T12:50:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-34.88,"az":297.9,"t":"2028-09-19T12:55:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-35.7,"az":299.1,"t":"2028-09-19T13:00:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-36.51,"az":300.2,"t":"2028-09-19T13:05:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-37.32,"az":301.4,"t":"2028-09-19T13:10:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-38.11,"az":302.6,"t":"2028-09-19T13:15:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-38.89,"az":303.9,"t":"2028-09-19T13:20:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-39.67,"az":305.2,"t":"2028-09-19T13:25:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-40.42,"az":306.4,"t":"2028-09-19T13:30:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-41.17,"az":307.8,"t":"2028-09-19T13:35:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-41.9,"az":309.1,"t":"2028-09-19T13:40:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-42.62,"az":310.5,"t":"2028-09-19T13:45:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-43.33,"az":311.9,"t":"2028-09-19T13:50:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-44.02,"az":313.3,"t":"2028-09-19T13:55:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-44.69,"az":314.8,"t":"2028-09-19T14:00:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-45.34,"az":316.3,"t":"2028-09-19T14:05:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-45.98,"az":317.9,"t":"2028-09-19T14:10:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-46.6,"az":319.4,"t":"2028-09-19T14:15:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-47.2,"az":321.0,"t":"2028-09-19T14:20:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-47.78,"az":322.7,"t":"2028-09-19T14:25:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-48.33,"az":324.3,"t":"2028-09-19T14:30:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-48.87,"az":326.0,"t":"2028-09-19T14:35:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-49.38,"az":327.8,"t":"2028-09-19T14:40:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-49.87,"az":329.5,"t":"2028-09-19T14:45:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-50.33,"az":331.4,"t":"2028-09-19T14:50:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-50.76,"az":333.2,"t":"2028-09-19T14:55:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-51.17,"az":335.1,"t":"2028-09-19T15:00:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-51.55,"az":337.0,"t":"2028-09-19T15:05:00Z","terrain":-0.73},{"above_terrain":false,"airmass":null,"alt":-51.9,"az":338.9,"t":"2028-09-19T15:10:00Z","terrain":-0.72},{"above_terrain":false,"airmass":null,"alt":-52.23,"az":340.9,"t":"2028-09-19T15:15:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-52.52,"az":342.9,"t":"2028-09-19T15:20:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-52.78,"az":344.9,"t":"2028-09-19T15:25:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-53.01,"az":346.9,"t":"2028-09-19T15:30:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-53.2,"az":349.0,"t":"2028-09-19T15:35:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-53.36,"az":351.0,"t":"2028-09-19T15:40:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-53.49,"az":353.1,"t":"2028-09-19T15:45:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-53.59,"az":355.2,"t":"2028-09-19T15:50:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-53.65,"az":357.3,"t":"2028-09-19T15:55:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-53.68,"az":359.4,"t":"2028-09-19T16:00:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-53.67,"az":1.5,"t":"2028-09-19T16:05:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-53.63,"az":3.6,"t":"2028-09-19T16:10:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-53.55,"az":5.7,"t":"2028-09-19T16:15:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-53.44,"az":7.8,"t":"2028-09-19T16:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-53.3,"az":9.9,"t":"2028-09-19T16:25:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-53.12,"az":11.9,"t":"2028-09-19T16:30:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-52.91,"az":14.0,"t":"2028-09-19T16:35:00Z","terrain":0.09},{"above_terrain":false,"airmass":null,"alt":-52.67,"az":16.0,"t":"2028-09-19T16:40:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-52.39,"az":18.0,"t":"2028-09-19T16:45:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-52.09,"az":20.0,"t":"2028-09-19T16:50:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-51.75,"az":21.9,"t":"2028-09-19T16:55:00Z","terrain":0.97},{"above_terrain":false,"airmass":null,"alt":-51.39,"az":23.9,"t":"2028-09-19T17:00:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-51.0,"az":25.8,"t":"2028-09-19T17:05:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-50.58,"az":27.6,"t":"2028-09-19T17:10:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-50.13,"az":29.4,"t":"2028-09-19T17:15:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-49.66,"az":31.2,"t":"2028-09-19T17:20:00Z","terrain":1.31},{"above_terrain":false,"airmass":null,"alt":-49.16,"az":33.0,"t":"2028-09-19T17:25:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-48.64,"az":34.7,"t":"2028-09-19T17:30:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-48.09,"az":36.4,"t":"2028-09-19T17:35:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-47.53,"az":38.1,"t":"2028-09-19T17:40:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-46.94,"az":39.7,"t":"2028-09-19T17:45:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-46.33,"az":41.3,"t":"2028-09-19T17:50:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-45.71,"az":42.8,"t":"2028-09-19T17:55:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-45.06,"az":44.3,"t":"2028-09-19T18:00:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-44.4,"az":45.8,"t":"2028-09-19T18:05:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-43.72,"az":47.3,"t":"2028-09-19T18:10:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-43.02,"az":48.7,"t":"2028-09-19T18:15:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-42.31,"az":50.1,"t":"2028-09-19T18:20:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-41.59,"az":51.5,"t":"2028-09-19T18:25:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-40.85,"az":52.8,"t":"2028-09-19T18:30:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-40.1,"az":54.1,"t":"2028-09-19T18:35:00Z","terrain":1.01},{"above_terrain":false,"airmass":null,"alt":-39.33,"az":55.4,"t":"2028-09-19T18:40:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-38.55,"az":56.7,"t":"2028-09-19T18:45:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-37.77,"az":57.9,"t":"2028-09-19T18:50:00Z","terrain":1.23},{"above_terrain":false,"airmass":null,"alt":-36.97,"az":59.1,"t":"2028-09-19T18:55:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-36.16,"az":60.3,"t":"2028-09-19T19:00:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-35.34,"az":61.4,"t":"2028-09-19T19:05:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-34.52,"az":62.6,"t":"2028-09-19T19:10:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-33.68,"az":63.7,"t":"2028-09-19T19:15:00Z","terrain":0.81},{"above_terrain":false,"airmass":null,"alt":-32.84,"az":64.8,"t":"2028-09-19T19:20:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-31.99,"az":65.9,"t":"2028-09-19T19:25:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-31.13,"az":66.9,"t":"2028-09-19T19:30:00Z","terrain":0.92},{"above_terrain":false,"airmass":null,"alt":-30.27,"az":68.0,"t":"2028-09-19T19:35:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-29.4,"az":69.0,"t":"2028-09-19T19:40:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-28.52,"az":70.0,"t":"2028-09-19T19:45:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-27.64,"az":71.0,"t":"2028-09-19T19:50:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-26.75,"az":72.0,"t":"2028-09-19T19:55:00Z","terrain":1.19},{"above_terrain":false,"airmass":null,"alt":-25.86,"az":73.0,"t":"2028-09-19T20:00:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-24.96,"az":74.0,"t":"2028-09-19T20:05:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-24.06,"az":74.9,"t":"2028-09-19T20:10:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-23.15,"az":75.8,"t":"2028-09-19T20:15:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-22.24,"az":76.8,"t":"2028-09-19T20:20:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-21.33,"az":77.7,"t":"2028-09-19T20:25:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-20.41,"az":78.6,"t":"2028-09-19T20:30:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-19.49,"az":79.5,"t":"2028-09-19T20:35:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-18.57,"az":80.4,"t":"2028-09-19T20:40:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-17.65,"az":81.3,"t":"2028-09-19T20:45:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-16.72,"az":82.1,"t":"2028-09-19T20:50:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-15.79,"az":83.0,"t":"2028-09-19T20:55:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-14.86,"az":83.9,"t":"2028-09-19T21:00:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-13.93,"az":84.7,"t":"2028-09-19T21:05:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-13.0,"az":85.6,"t":"2028-09-19T21:10:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-12.07,"az":86.4,"t":"2028-09-19T21:15:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-11.13,"az":87.3,"t":"2028-09-19T21:20:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-10.2,"az":88.1,"t":"2028-09-19T21:25:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-9.26,"az":89.0,"t":"2028-09-19T21:30:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-8.33,"az":89.8,"t":"2028-09-19T21:35:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-7.39,"az":90.6,"t":"2028-09-19T21:40:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-6.45,"az":91.5,"t":"2028-09-19T21:45:00Z","terrain":-0.0},{"above_terrain":false,"airmass":null,"alt":-5.52,"az":92.3,"t":"2028-09-19T21:50:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-4.58,"az":93.1,"t":"2028-09-19T21:55:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-3.65,"az":93.9,"t":"2028-09-19T22:00:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-2.72,"az":94.8,"t":"2028-09-19T22:05:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-1.78,"az":95.6,"t":"2028-09-19T22:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-0.85,"az":96.4,"t":"2028-09-19T22:15:00Z","terrain":0.63},{"above_terrain":false,"airmass":36.81,"alt":0.08,"az":97.3,"t":"2028-09-19T22:20:00Z","terrain":0.72},{"above_terrain":true,"airmass":26.28,"alt":1.0,"az":98.1,"t":"2028-09-19T22:25:00Z","terrain":0.66},{"above_terrain":true,"airmass":19.82,"alt":1.93,"az":98.9,"t":"2028-09-19T22:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":15.67,"alt":2.85,"az":99.8,"t":"2028-09-19T22:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":12.86,"alt":3.77,"az":100.6,"t":"2028-09-19T22:40:00Z","terrain":0.15},{"above_terrain":true,"airmass":10.85,"alt":4.69,"az":101.5,"t":"2028-09-19T22:45:00Z","terrain":0.02},{"above_terrain":true,"airmass":9.37,"alt":5.61,"az":102.3,"t":"2028-09-19T22:50:00Z","terrain":-0.1},{"above_terrain":true,"airmass":8.23,"alt":6.52,"az":103.2,"t":"2028-09-19T22:55:00Z","terrain":-0.18},{"above_terrain":true,"airmass":7.33,"alt":7.43,"az":104.0,"t":"2028-09-19T23:00:00Z","terrain":0.0},{"above_terrain":true,"airmass":6.6,"alt":8.34,"az":104.9,"t":"2028-09-19T23:05:00Z","terrain":-0.19},{"above_terrain":true,"airmass":6.01,"alt":9.24,"az":105.8,"t":"2028-09-19T23:10:00Z","terrain":-0.54},{"above_terrain":true,"airmass":5.52,"alt":10.14,"az":106.7,"t":"2028-09-19T23:15:00Z","terrain":-0.62},{"above_terrain":true,"airmass":5.1,"alt":11.03,"az":107.5,"t":"2028-09-19T23:20:00Z","terrain":-0.78},{"above_terrain":true,"airmass":4.74,"alt":11.92,"az":108.4,"t":"2028-09-19T23:25:00Z","terrain":-1.04},{"above_terrain":true,"airmass":4.43,"alt":12.81,"az":109.3,"t":"2028-09-19T23:30:00Z","terrain":-1.18},{"above_terrain":true,"airmass":4.16,"alt":13.69,"az":110.2,"t":"2028-09-19T23:35:00Z","terrain":-1.19},{"above_terrain":true,"airmass":3.92,"alt":14.56,"az":111.2,"t":"2028-09-19T23:40:00Z","terrain":-1.34},{"above_terrain":true,"airmass":3.71,"alt":15.43,"az":112.1,"t":"2028-09-19T23:45:00Z","terrain":-1.39},{"above_terrain":true,"airmass":3.52,"alt":16.3,"az":113.0,"t":"2028-09-19T23:50:00Z","terrain":-1.44},{"above_terrain":true,"airmass":3.36,"alt":17.16,"az":114.0,"t":"2028-09-19T23:55:00Z","terrain":-1.61},{"above_terrain":true,"airmass":3.21,"alt":18.01,"az":114.9,"t":"2028-09-20T00:00:00Z","terrain":-1.52},{"above_terrain":true,"airmass":3.07,"alt":18.86,"az":115.9,"t":"2028-09-20T00:05:00Z","terrain":-1.47},{"above_terrain":true,"airmass":2.95,"alt":19.69,"az":116.9,"t":"2028-09-20T00:10:00Z","terrain":-1.61},{"above_terrain":true,"airmass":2.83,"alt":20.52,"az":117.9,"t":"2028-09-20T00:15:00Z","terrain":-1.45},{"above_terrain":true,"airmass":2.73,"alt":21.35,"az":118.9,"t":"2028-09-20T00:20:00Z","terrain":-1.47},{"above_terrain":true,"airmass":2.64,"alt":22.16,"az":119.9,"t":"2028-09-20T00:25:00Z","terrain":-1.27},{"above_terrain":true,"airmass":2.55,"alt":22.97,"az":120.9,"t":"2028-09-20T00:30:00Z","terrain":-1.25},{"above_terrain":true,"airmass":2.47,"alt":23.77,"az":122.0,"t":"2028-09-20T00:35:00Z","terrain":-1.19},{"above_terrain":true,"airmass":2.4,"alt":24.56,"az":123.0,"t":"2028-09-20T00:40:00Z","terrain":-1.39},{"above_terrain":true,"airmass":2.33,"alt":25.34,"az":124.1,"t":"2028-09-20T00:45:00Z","terrain":-1.49},{"above_terrain":true,"airmass":2.26,"alt":26.11,"az":125.2,"t":"2028-09-20T00:50:00Z","terrain":-1.63},{"above_terrain":true,"airmass":2.2,"alt":26.87,"az":126.3,"t":"2028-09-20T00:55:00Z","terrain":-1.58},{"above_terrain":true,"airmass":2.15,"alt":27.62,"az":127.4,"t":"2028-09-20T01:00:00Z","terrain":-1.49},{"above_terrain":true,"airmass":2.1,"alt":28.36,"az":128.5,"t":"2028-09-20T01:05:00Z","terrain":-1.26},{"above_terrain":true,"airmass":2.05,"alt":29.08,"az":129.7,"t":"2028-09-20T01:10:00Z","terrain":-1.43},{"above_terrain":true,"airmass":2.01,"alt":29.8,"az":130.9,"t":"2028-09-20T01:15:00Z","terrain":-1.67},{"above_terrain":true,"airmass":1.97,"alt":30.5,"az":132.1,"t":"2028-09-20T01:20:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.93,"alt":31.19,"az":133.3,"t":"2028-09-20T01:25:00Z","terrain":-1.63},{"above_terrain":true,"airmass":1.89,"alt":31.86,"az":134.5,"t":"2028-09-20T01:30:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.86,"alt":32.52,"az":135.8,"t":"2028-09-20T01:35:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.82,"alt":33.17,"az":137.0,"t":"2028-09-20T01:40:00Z","terrain":-1.23},{"above_terrain":true,"airmass":1.79,"alt":33.8,"az":138.3,"t":"2028-09-20T01:45:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.77,"alt":34.41,"az":139.6,"t":"2028-09-20T01:50:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.74,"alt":35.01,"az":141.0,"t":"2028-09-20T01:55:00Z","terrain":-1.1},{"above_terrain":true,"airmass":1.72,"alt":35.59,"az":142.3,"t":"2028-09-20T02:00:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.69,"alt":36.15,"az":143.7,"t":"2028-09-20T02:05:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.67,"alt":36.7,"az":145.1,"t":"2028-09-20T02:10:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.65,"alt":37.22,"az":146.5,"t":"2028-09-20T02:15:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.63,"alt":37.73,"az":148.0,"t":"2028-09-20T02:20:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.61,"alt":38.21,"az":149.4,"t":"2028-09-20T02:25:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.6,"alt":38.68,"az":150.9,"t":"2028-09-20T02:30:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.58,"alt":39.12,"az":152.4,"t":"2028-09-20T02:35:00Z","terrain":-1.13},{"above_terrain":true,"airmass":1.57,"alt":39.55,"az":153.9,"t":"2028-09-20T02:40:00Z","terrain":-1.03},{"above_terrain":true,"airmass":1.56,"alt":39.95,"az":155.4,"t":"2028-09-20T02:45:00Z","terrain":-1.16},{"above_terrain":true,"airmass":1.54,"alt":40.33,"az":157.0,"t":"2028-09-20T02:50:00Z","terrain":-1.09},{"above_terrain":true,"airmass":1.53,"alt":40.68,"az":158.6,"t":"2028-09-20T02:55:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.52,"alt":41.01,"az":160.2,"t":"2028-09-20T03:00:00Z","terrain":-0.95},{"above_terrain":true,"airmass":1.51,"alt":41.31,"az":161.8,"t":"2028-09-20T03:05:00Z","terrain":-1.32},{"above_terrain":true,"airmass":1.5,"alt":41.59,"az":163.4,"t":"2028-09-20T03:10:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.5,"alt":41.85,"az":165.0,"t":"2028-09-20T03:15:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.49,"alt":42.08,"az":166.7,"t":"2028-09-20T03:20:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.48,"alt":42.28,"az":168.3,"t":"2028-09-20T03:25:00Z","terrain":-0.91},{"above_terrain":true,"airmass":1.48,"alt":42.46,"az":170.0,"t":"2028-09-20T03:30:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.48,"alt":42.6,"az":171.7,"t":"2028-09-20T03:35:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.47,"alt":42.73,"az":173.4,"t":"2028-09-20T03:40:00Z","terrain":-0.47},{"above_terrain":true,"airmass":1.47,"alt":42.82,"az":175.1,"t":"2028-09-20T03:45:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.47,"alt":42.89,"az":176.8,"t":"2028-09-20T03:50:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.47,"alt":42.93,"az":178.5,"t":"2028-09-20T03:55:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.47,"alt":42.94,"az":180.2,"t":"2028-09-20T04:00:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.47,"alt":42.92,"az":181.9,"t":"2028-09-20T04:05:00Z","terrain":-0.67},{"above_terrain":true,"airmass":1.47,"alt":42.87,"az":183.6,"t":"2028-09-20T04:10:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.47,"alt":42.8,"az":185.3,"t":"2028-09-20T04:15:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.47,"alt":42.7,"az":187.0,"t":"2028-09-20T04:20:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.48,"alt":42.57,"az":188.7,"t":"2028-09-20T04:25:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.48,"alt":42.42,"az":190.4,"t":"2028-09-20T04:30:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.49,"alt":42.24,"az":192.0,"t":"2028-09-20T04:35:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.49,"alt":42.03,"az":193.7,"t":"2028-09-20T04:40:00Z","terrain":-0.48},{"above_terrain":true,"airmass":1.5,"alt":41.79,"az":195.3,"t":"2028-09-20T04:45:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.51,"alt":41.53,"az":197.0,"t":"2028-09-20T04:50:00Z","terrain":-0.44},{"above_terrain":true,"airmass":1.51,"alt":41.25,"az":198.6,"t":"2028-09-20T04:55:00Z","terrain":-0.35},{"above_terrain":true,"airmass":1.52,"alt":40.94,"az":200.2,"t":"2028-09-20T05:00:00Z","terrain":-0.3},{"above_terrain":true,"airmass":1.53,"alt":40.6,"az":201.8,"t":"2028-09-20T05:05:00Z","terrain":-0.5},{"above_terrain":true,"airmass":1.55,"alt":40.24,"az":203.3,"t":"2028-09-20T05:10:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.56,"alt":39.86,"az":204.9,"t":"2028-09-20T05:15:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.57,"alt":39.46,"az":206.4,"t":"2028-09-20T05:20:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.59,"alt":39.03,"az":207.9,"t":"2028-09-20T05:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.6,"alt":38.58,"az":209.4,"t":"2028-09-20T05:30:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.62,"alt":38.11,"az":210.9,"t":"2028-09-20T05:35:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.64,"alt":37.62,"az":212.4,"t":"2028-09-20T05:40:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.65,"alt":37.11,"az":213.8,"t":"2028-09-20T05:45:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.68,"alt":36.58,"az":215.2,"t":"2028-09-20T05:50:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.7,"alt":36.03,"az":216.6,"t":"2028-09-20T05:55:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.72,"alt":35.46,"az":218.0,"t":"2028-09-20T06:00:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.75,"alt":34.88,"az":219.3,"t":"2028-09-20T06:05:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.77,"alt":34.27,"az":220.6,"t":"2028-09-20T06:10:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.8,"alt":33.66,"az":222.0,"t":"2028-09-20T06:15:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.83,"alt":33.02,"az":223.2,"t":"2028-09-20T06:20:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.86,"alt":32.37,"az":224.5,"t":"2028-09-20T06:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.9,"alt":31.71,"az":225.8,"t":"2028-09-20T06:30:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.93,"alt":31.03,"az":227.0,"t":"2028-09-20T06:35:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.97,"alt":30.34,"az":228.2,"t":"2028-09-20T06:40:00Z","terrain":1.16},{"above_terrain":true,"airmass":2.02,"alt":29.64,"az":229.4,"t":"2028-09-20T06:45:00Z","terrain":1.25},{"above_terrain":true,"airmass":2.06,"alt":28.92,"az":230.6,"t":"2028-09-20T06:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.11,"alt":28.19,"az":231.7,"t":"2028-09-20T06:55:00Z","terrain":0.89},{"above_terrain":true,"airmass":2.16,"alt":27.45,"az":232.8,"t":"2028-09-20T07:00:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.22,"alt":26.7,"az":234.0,"t":"2028-09-20T07:05:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.28,"alt":25.94,"az":235.1,"t":"2028-09-20T07:10:00Z","terrain":0.97},{"above_terrain":true,"airmass":2.34,"alt":25.17,"az":236.1,"t":"2028-09-20T07:15:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.41,"alt":24.39,"az":237.2,"t":"2028-09-20T07:20:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.49,"alt":23.59,"az":238.3,"t":"2028-09-20T07:25:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.57,"alt":22.79,"az":239.3,"t":"2028-09-20T07:30:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.66,"alt":21.98,"az":240.3,"t":"2028-09-20T07:35:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.75,"alt":21.17,"az":241.4,"t":"2028-09-20T07:40:00Z","terrain":0.85},{"above_terrain":true,"airmass":2.86,"alt":20.34,"az":242.4,"t":"2028-09-20T07:45:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.97,"alt":19.51,"az":243.3,"t":"2028-09-20T07:50:00Z","terrain":0.99},{"above_terrain":true,"airmass":3.1,"alt":18.67,"az":244.3,"t":"2028-09-20T07:55:00Z","terrain":0.96},{"above_terrain":true,"airmass":3.24,"alt":17.82,"az":245.3,"t":"2028-09-20T08:00:00Z","terrain":1.05},{"above_terrain":true,"airmass":3.39,"alt":16.97,"az":246.2,"t":"2028-09-20T08:05:00Z","terrain":1.14},{"above_terrain":true,"airmass":3.56,"alt":16.11,"az":247.2,"t":"2028-09-20T08:10:00Z","terrain":0.94},{"above_terrain":true,"airmass":3.76,"alt":15.24,"az":248.1,"t":"2028-09-20T08:15:00Z","terrain":0.57},{"above_terrain":true,"airmass":3.97,"alt":14.37,"az":249.0,"t":"2028-09-20T08:20:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.22,"alt":13.49,"az":250.0,"t":"2028-09-20T08:25:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.49,"alt":12.61,"az":250.9,"t":"2028-09-20T08:30:00Z","terrain":0.56},{"above_terrain":true,"airmass":4.81,"alt":11.73,"az":251.8,"t":"2028-09-20T08:35:00Z","terrain":0.29},{"above_terrain":true,"airmass":5.18,"alt":10.83,"az":252.7,"t":"2028-09-20T08:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":5.62,"alt":9.94,"az":253.5,"t":"2028-09-20T08:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":6.13,"alt":9.04,"az":254.4,"t":"2028-09-20T08:50:00Z","terrain":0.2},{"above_terrain":true,"airmass":6.75,"alt":8.14,"az":255.3,"t":"2028-09-20T08:55:00Z","terrain":0.28},{"above_terrain":true,"airmass":7.51,"alt":7.23,"az":256.2,"t":"2028-09-20T09:00:00Z","terrain":0.4}],"transit":{"airmass":1.47,"alt":42.9,"az":180.2,"t":"2028-09-20T04:00:00Z"},"usable_hours":2.33,"verdict":"marginal","zenith_passage":false},"warnings":["No cloud data for this night (beyond the 4-day forecast, or not yet in the archive) \u2014 the score is geometry only."]}