{"assessment":{"best_window":{"end":"2027-09-17T02:30Z","end_local":"05:30","hours":1.83,"label":"marginal","mean_quality":0.48,"start":"2027-09-17T00:40Z","start_local":"03:40"},"cost":{"altitude":7.39,"clouds":0.0,"darkness":1.05,"moon":0.6},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically barely \u2014 weather unknown","hourly":[{"alt":-52,"cloud":null,"high":null,"iso":"2027-09-16T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":6,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"20:00","wind":null},{"alt":-47,"cloud":null,"high":null,"iso":"2027-09-16T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":17,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"21:00","wind":null},{"alt":-39,"cloud":null,"high":null,"iso":"2027-09-16T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":27,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":-28,"cloud":null,"high":null,"iso":"2027-09-16T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":37,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":-18,"cloud":null,"high":null,"iso":"2027-09-16T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":46,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2027-09-16T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":52,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":5,"cloud":null,"high":null,"iso":"2027-09-16T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":54,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2027-09-17T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":51,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":25,"cloud":null,"high":null,"iso":"2027-09-17T01:00Z","label":"marginal","low":null,"mid":null,"moon_alt":44,"precip":null,"q":0.39,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":34,"cloud":null,"high":null,"iso":"2027-09-17T02:00Z","label":"marginal","low":null,"mid":null,"moon_alt":35,"precip":null,"q":0.55,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":40,"cloud":null,"high":null,"iso":"2027-09-17T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":25,"precip":null,"q":0.3,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2027-09-17T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":15,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.57,"peak_sky":0.57,"quality_hours":1.15,"reasons":["the target being low or below 20\u00b0 cost 7.4 quality-hours","daylight and twilight cost 1.1 quality-hours","moonlight cost 0.6 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":16,"score_weather":null,"sky_hours":1.15,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2027-09-17T00:30Z","end_local":"03:30","hours":8.08,"label":"unusable","mean_quality":0.0,"start":"2027-09-16T16:25Z","start_local":"19:25"},{"end":"2027-09-17T00:40Z","end_local":"03:40","hours":0.17,"label":"poor","mean_quality":0.28,"start":"2027-09-17T00:30Z","start_local":"03:30"},{"end":"2027-09-17T02:30Z","end_local":"05:30","hours":1.83,"label":"marginal","mean_quality":0.48,"start":"2027-09-17T00:40Z","start_local":"03:40"},{"end":"2027-09-17T03:00Z","end_local":"06:00","hours":0.5,"label":"poor","mean_quality":0.29,"start":"2027-09-17T02:30Z","start_local":"05:30"},{"end":"2027-09-17T03:05Z","end_local":"06:05","hours":0.08,"label":"marginal","mean_quality":0.3,"start":"2027-09-17T03:00Z","start_local":"06:00"},{"end":"2027-09-17T03:40Z","end_local":"06:40","hours":0.58,"label":"poor","mean_quality":0.09,"start":"2027-09-17T03:05Z","start_local":"06:05"},{"end":"2027-09-17T04:05Z","end_local":"07:05","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2027-09-17T03:40Z","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":"2027-09-16T18:03:45Z","dark_hours":8.41,"dark_to":"2027-09-17T02:28:28Z","moon":{"illumination":0.99,"phase":"full moon","waxing":false},"moon_free_dark_hours":0.0,"moonrise":"2027-09-16T16:29:49Z","moonset":"2027-09-17T05:22:10Z","sunrise":"2027-09-17T04:02:52Z","sunset":"2027-09-16T16:29:28Z","twilight":{"astronomical":{"end":"2027-09-16T18:03:45Z","start":"2027-09-17T02:28:28Z"},"civil":{"end":"2027-09-16T16:57:18Z","start":"2027-09-17T03:35:00Z"},"nautical":{"end":"2027-09-16T17:30:05Z","start":"2027-09-17T03:02:10Z"}},"window_end":"2027-09-17T09:00:00Z","window_start":"2027-09-16T09:00:00Z"},"night_date":"2027-09-16","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.67,"alt":36.7,"t":"2027-09-17T02:25:00Z"},"dec":-5.3876,"dec_of_date":-5.3715,"dec_str":"-05\u00b0 23' 15.4\"","good_hours":0.92,"limit_rise":"2027-09-17T00:26:34Z","limit_set":"2027-09-17T08:01:46Z","max_az_rate_deg_per_min":0.0,"moon_separation":81.7,"never_rises":false,"ra":83.8201,"ra_of_date":84.1607,"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 0.9 h above 30\u00b0, 2.0 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2027-09-16T09:53:00Z","blocked_dark_hours":0,"clears_at":"2027-09-16T22:37:57Z","rise_az":252.9},"track":[{"above_terrain":true,"airmass":5.29,"alt":10.59,"az":252.9,"t":"2027-09-16T09:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":5.75,"alt":9.7,"az":253.8,"t":"2027-09-16T09:05:00Z","terrain":0.17},{"above_terrain":true,"airmass":6.29,"alt":8.8,"az":254.7,"t":"2027-09-16T09:10:00Z","terrain":0.22},{"above_terrain":true,"airmass":6.94,"alt":7.89,"az":255.5,"t":"2027-09-16T09:15:00Z","terrain":0.32},{"above_terrain":true,"airmass":7.74,"alt":6.98,"az":256.4,"t":"2027-09-16T09:20:00Z","terrain":0.41},{"above_terrain":true,"airmass":8.75,"alt":6.07,"az":257.2,"t":"2027-09-16T09:25:00Z","terrain":0.41},{"above_terrain":true,"airmass":10.04,"alt":5.16,"az":258.1,"t":"2027-09-16T09:30:00Z","terrain":0.37},{"above_terrain":true,"airmass":11.76,"alt":4.24,"az":258.9,"t":"2027-09-16T09:35:00Z","terrain":0.47},{"above_terrain":true,"airmass":14.11,"alt":3.32,"az":259.8,"t":"2027-09-16T09:40:00Z","terrain":0.54},{"above_terrain":true,"airmass":17.49,"alt":2.4,"az":260.6,"t":"2027-09-16T09:45:00Z","terrain":0.74},{"above_terrain":true,"airmass":22.61,"alt":1.48,"az":261.5,"t":"2027-09-16T09:50:00Z","terrain":0.91},{"above_terrain":false,"airmass":30.8,"alt":0.55,"az":262.3,"t":"2027-09-16T09:55:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-0.38,"az":263.1,"t":"2027-09-16T10:00:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-1.31,"az":264.0,"t":"2027-09-16T10:05:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-2.24,"az":264.8,"t":"2027-09-16T10:10:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-3.17,"az":265.6,"t":"2027-09-16T10:15:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-4.11,"az":266.5,"t":"2027-09-16T10:20:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-5.04,"az":267.3,"t":"2027-09-16T10:25:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-5.98,"az":268.1,"t":"2027-09-16T10:30:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-6.91,"az":269.0,"t":"2027-09-16T10:35:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-7.85,"az":269.8,"t":"2027-09-16T10:40:00Z","terrain":0.87},{"above_terrain":false,"airmass":null,"alt":-8.78,"az":270.6,"t":"2027-09-16T10:45:00Z","terrain":0.83},{"above_terrain":false,"airmass":null,"alt":-9.72,"az":271.5,"t":"2027-09-16T10:50:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-10.66,"az":272.3,"t":"2027-09-16T10:55:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-11.59,"az":273.1,"t":"2027-09-16T11:00:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-12.53,"az":274.0,"t":"2027-09-16T11:05:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-13.46,"az":274.8,"t":"2027-09-16T11:10:00Z","terrain":0.07},{"above_terrain":false,"airmass":null,"alt":-14.39,"az":275.7,"t":"2027-09-16T11:15:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-15.32,"az":276.5,"t":"2027-09-16T11:20:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-16.25,"az":277.4,"t":"2027-09-16T11:25:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-17.18,"az":278.3,"t":"2027-09-16T11:30:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-18.1,"az":279.2,"t":"2027-09-16T11:35:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-19.03,"az":280.1,"t":"2027-09-16T11:40:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-19.95,"az":280.9,"t":"2027-09-16T11:45:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-20.86,"az":281.8,"t":"2027-09-16T11:50:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-21.78,"az":282.8,"t":"2027-09-16T11:55:00Z","terrain":-0.04},{"above_terrain":false,"airmass":null,"alt":-22.69,"az":283.7,"t":"2027-09-16T12:00:00Z","terrain":0.08},{"above_terrain":false,"airmass":null,"alt":-23.6,"az":284.6,"t":"2027-09-16T12:05:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-24.5,"az":285.6,"t":"2027-09-16T12:10:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-25.4,"az":286.5,"t":"2027-09-16T12:15:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-26.29,"az":287.5,"t":"2027-09-16T12:20:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-27.18,"az":288.5,"t":"2027-09-16T12:25:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-28.07,"az":289.4,"t":"2027-09-16T12:30:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-28.95,"az":290.5,"t":"2027-09-16T12:35:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-29.82,"az":291.5,"t":"2027-09-16T12:40:00Z","terrain":0.52},{"above_terrain":false,"airmass":null,"alt":-30.69,"az":292.5,"t":"2027-09-16T12:45:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-31.55,"az":293.6,"t":"2027-09-16T12:50:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-32.41,"az":294.6,"t":"2027-09-16T12:55:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-33.25,"az":295.7,"t":"2027-09-16T13:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-34.09,"az":296.8,"t":"2027-09-16T13:05:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-34.92,"az":298.0,"t":"2027-09-16T13:10:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-35.75,"az":299.1,"t":"2027-09-16T13:15:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-36.56,"az":300.3,"t":"2027-09-16T13:20:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-37.36,"az":301.5,"t":"2027-09-16T13:25:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-38.16,"az":302.7,"t":"2027-09-16T13:30:00Z","terrain":-0.14},{"above_terrain":false,"airmass":null,"alt":-38.94,"az":304.0,"t":"2027-09-16T13:35:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-39.71,"az":305.2,"t":"2027-09-16T13:40:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-40.47,"az":306.5,"t":"2027-09-16T13:45:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-41.21,"az":307.8,"t":"2027-09-16T13:50:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-41.94,"az":309.2,"t":"2027-09-16T13:55:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-42.66,"az":310.6,"t":"2027-09-16T14:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-43.37,"az":312.0,"t":"2027-09-16T14:05:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-44.05,"az":313.4,"t":"2027-09-16T14:10:00Z","terrain":0.35},{"above_terrain":false,"airmass":null,"alt":-44.73,"az":314.9,"t":"2027-09-16T14:15:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-45.38,"az":316.4,"t":"2027-09-16T14:20:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-46.02,"az":317.9,"t":"2027-09-16T14:25:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-46.63,"az":319.5,"t":"2027-09-16T14:30:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-47.23,"az":321.1,"t":"2027-09-16T14:35:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-47.81,"az":322.7,"t":"2027-09-16T14:40:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-48.36,"az":324.4,"t":"2027-09-16T14:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-48.9,"az":326.1,"t":"2027-09-16T14:50:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-49.41,"az":327.9,"t":"2027-09-16T14:55:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-49.89,"az":329.6,"t":"2027-09-16T15:00:00Z","terrain":-0.27},{"above_terrain":false,"airmass":null,"alt":-50.35,"az":331.5,"t":"2027-09-16T15:05:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-50.79,"az":333.3,"t":"2027-09-16T15:10:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-51.19,"az":335.2,"t":"2027-09-16T15:15:00Z","terrain":-0.63},{"above_terrain":false,"airmass":null,"alt":-51.57,"az":337.1,"t":"2027-09-16T15:20:00Z","terrain":-0.71},{"above_terrain":false,"airmass":null,"alt":-51.92,"az":339.0,"t":"2027-09-16T15:25:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-52.24,"az":341.0,"t":"2027-09-16T15:30:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-52.53,"az":343.0,"t":"2027-09-16T15:35:00Z","terrain":-0.39},{"above_terrain":false,"airmass":null,"alt":-52.79,"az":345.0,"t":"2027-09-16T15:40:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-53.02,"az":347.0,"t":"2027-09-16T15:45:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-53.21,"az":349.1,"t":"2027-09-16T15:50:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-53.37,"az":351.1,"t":"2027-09-16T15:55:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-53.5,"az":353.2,"t":"2027-09-16T16:00:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-53.59,"az":355.3,"t":"2027-09-16T16:05:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-53.65,"az":357.4,"t":"2027-09-16T16:10:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-53.68,"az":359.5,"t":"2027-09-16T16:15:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-53.67,"az":1.6,"t":"2027-09-16T16:20:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-53.62,"az":3.7,"t":"2027-09-16T16:25:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-53.55,"az":5.8,"t":"2027-09-16T16:30:00Z","terrain":-0.56},{"above_terrain":false,"airmass":null,"alt":-53.43,"az":7.9,"t":"2027-09-16T16:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-53.29,"az":10.0,"t":"2027-09-16T16:40:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-53.11,"az":12.1,"t":"2027-09-16T16:45:00Z","terrain":-0.17},{"above_terrain":false,"airmass":null,"alt":-52.9,"az":14.1,"t":"2027-09-16T16:50:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-52.65,"az":16.1,"t":"2027-09-16T16:55:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-52.38,"az":18.1,"t":"2027-09-16T17:00:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-52.07,"az":20.1,"t":"2027-09-16T17:05:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-51.74,"az":22.0,"t":"2027-09-16T17:10:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-51.37,"az":24.0,"t":"2027-09-16T17:15:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-50.98,"az":25.9,"t":"2027-09-16T17:20:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-50.55,"az":27.7,"t":"2027-09-16T17:25:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-50.1,"az":29.5,"t":"2027-09-16T17:30:00Z","terrain":1.08},{"above_terrain":false,"airmass":null,"alt":-49.63,"az":31.3,"t":"2027-09-16T17:35:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-49.13,"az":33.1,"t":"2027-09-16T17:40:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-48.61,"az":34.8,"t":"2027-09-16T17:45:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-48.06,"az":36.5,"t":"2027-09-16T17:50:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-47.5,"az":38.1,"t":"2027-09-16T17:55:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-46.91,"az":39.8,"t":"2027-09-16T18:00:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-46.3,"az":41.4,"t":"2027-09-16T18:05:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-45.67,"az":42.9,"t":"2027-09-16T18:10:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-45.03,"az":44.4,"t":"2027-09-16T18:15:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-44.36,"az":45.9,"t":"2027-09-16T18:20:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-43.68,"az":47.4,"t":"2027-09-16T18:25:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-42.98,"az":48.8,"t":"2027-09-16T18:30:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-42.27,"az":50.2,"t":"2027-09-16T18:35:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-41.55,"az":51.5,"t":"2027-09-16T18:40:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-40.81,"az":52.9,"t":"2027-09-16T18:45:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-40.05,"az":54.2,"t":"2027-09-16T18:50:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-39.29,"az":55.5,"t":"2027-09-16T18:55:00Z","terrain":1.07},{"above_terrain":false,"airmass":null,"alt":-38.51,"az":56.7,"t":"2027-09-16T19:00:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-37.72,"az":58.0,"t":"2027-09-16T19:05:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-36.93,"az":59.2,"t":"2027-09-16T19:10:00Z","terrain":1.2},{"above_terrain":false,"airmass":null,"alt":-36.12,"az":60.3,"t":"2027-09-16T19:15:00Z","terrain":1.14},{"above_terrain":false,"airmass":null,"alt":-35.3,"az":61.5,"t":"2027-09-16T19:20:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-34.47,"az":62.6,"t":"2027-09-16T19:25:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-33.64,"az":63.8,"t":"2027-09-16T19:30:00Z","terrain":0.8},{"above_terrain":false,"airmass":null,"alt":-32.79,"az":64.9,"t":"2027-09-16T19:35:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-31.94,"az":65.9,"t":"2027-09-16T19:40:00Z","terrain":0.83},{"above_terrain":false,"airmass":null,"alt":-31.08,"az":67.0,"t":"2027-09-16T19:45:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-30.22,"az":68.1,"t":"2027-09-16T19:50:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-29.35,"az":69.1,"t":"2027-09-16T19:55:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-28.47,"az":70.1,"t":"2027-09-16T20:00:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-27.59,"az":71.1,"t":"2027-09-16T20:05:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-26.7,"az":72.1,"t":"2027-09-16T20:10:00Z","terrain":1.18},{"above_terrain":false,"airmass":null,"alt":-25.81,"az":73.1,"t":"2027-09-16T20:15:00Z","terrain":0.98},{"above_terrain":false,"airmass":null,"alt":-24.91,"az":74.0,"t":"2027-09-16T20:20:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-24.01,"az":75.0,"t":"2027-09-16T20:25:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-23.1,"az":75.9,"t":"2027-09-16T20:30:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-22.19,"az":76.8,"t":"2027-09-16T20:35:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-21.28,"az":77.7,"t":"2027-09-16T20:40:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-20.36,"az":78.6,"t":"2027-09-16T20:45:00Z","terrain":0.59},{"above_terrain":false,"airmass":null,"alt":-19.44,"az":79.5,"t":"2027-09-16T20:50:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-18.52,"az":80.4,"t":"2027-09-16T20:55:00Z","terrain":0.56},{"above_terrain":false,"airmass":null,"alt":-17.6,"az":81.3,"t":"2027-09-16T21:00:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-16.67,"az":82.2,"t":"2027-09-16T21:05:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-15.74,"az":83.1,"t":"2027-09-16T21:10:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-14.81,"az":83.9,"t":"2027-09-16T21:15:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-13.88,"az":84.8,"t":"2027-09-16T21:20:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-12.95,"az":85.6,"t":"2027-09-16T21:25:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-12.02,"az":86.5,"t":"2027-09-16T21:30:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-11.08,"az":87.3,"t":"2027-09-16T21:35:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-10.15,"az":88.2,"t":"2027-09-16T21:40:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-9.21,"az":89.0,"t":"2027-09-16T21:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-8.27,"az":89.8,"t":"2027-09-16T21:50:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-7.34,"az":90.7,"t":"2027-09-16T21:55:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-6.4,"az":91.5,"t":"2027-09-16T22:00:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-5.47,"az":92.3,"t":"2027-09-16T22:05:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-4.53,"az":93.2,"t":"2027-09-16T22:10:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-3.6,"az":94.0,"t":"2027-09-16T22:15:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-2.67,"az":94.8,"t":"2027-09-16T22:20:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-1.73,"az":95.7,"t":"2027-09-16T22:25:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-0.8,"az":96.5,"t":"2027-09-16T22:30:00Z","terrain":0.64},{"above_terrain":false,"airmass":36.1,"alt":0.13,"az":97.3,"t":"2027-09-16T22:35:00Z","terrain":0.71},{"above_terrain":true,"airmass":25.84,"alt":1.05,"az":98.2,"t":"2027-09-16T22:40:00Z","terrain":0.65},{"above_terrain":true,"airmass":19.54,"alt":1.98,"az":99.0,"t":"2027-09-16T22:45:00Z","terrain":0.48},{"above_terrain":true,"airmass":15.49,"alt":2.9,"az":99.8,"t":"2027-09-16T22:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":12.73,"alt":3.82,"az":100.7,"t":"2027-09-16T22:55:00Z","terrain":0.14},{"above_terrain":true,"airmass":10.76,"alt":4.74,"az":101.5,"t":"2027-09-16T23:00:00Z","terrain":0.02},{"above_terrain":true,"airmass":9.3,"alt":5.66,"az":102.4,"t":"2027-09-16T23:05:00Z","terrain":-0.11},{"above_terrain":true,"airmass":8.17,"alt":6.57,"az":103.2,"t":"2027-09-16T23:10:00Z","terrain":-0.17},{"above_terrain":true,"airmass":7.28,"alt":7.48,"az":104.1,"t":"2027-09-16T23:15:00Z","terrain":-0.01},{"above_terrain":true,"airmass":6.57,"alt":8.39,"az":105.0,"t":"2027-09-16T23:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.98,"alt":9.29,"az":105.8,"t":"2027-09-16T23:25:00Z","terrain":-0.57},{"above_terrain":true,"airmass":5.49,"alt":10.19,"az":106.7,"t":"2027-09-16T23:30:00Z","terrain":-0.62},{"above_terrain":true,"airmass":5.08,"alt":11.08,"az":107.6,"t":"2027-09-16T23:35:00Z","terrain":-0.8},{"above_terrain":true,"airmass":4.72,"alt":11.97,"az":108.5,"t":"2027-09-16T23:40:00Z","terrain":-1.06},{"above_terrain":true,"airmass":4.41,"alt":12.86,"az":109.4,"t":"2027-09-16T23:45:00Z","terrain":-1.17},{"above_terrain":true,"airmass":4.14,"alt":13.74,"az":110.3,"t":"2027-09-16T23:50:00Z","terrain":-1.2},{"above_terrain":true,"airmass":3.91,"alt":14.61,"az":111.2,"t":"2027-09-16T23:55:00Z","terrain":-1.34},{"above_terrain":true,"airmass":3.7,"alt":15.48,"az":112.1,"t":"2027-09-17T00:00:00Z","terrain":-1.39},{"above_terrain":true,"airmass":3.51,"alt":16.35,"az":113.1,"t":"2027-09-17T00:05:00Z","terrain":-1.45},{"above_terrain":true,"airmass":3.35,"alt":17.2,"az":114.0,"t":"2027-09-17T00:10:00Z","terrain":-1.62},{"above_terrain":true,"airmass":3.2,"alt":18.06,"az":115.0,"t":"2027-09-17T00:15:00Z","terrain":-1.51},{"above_terrain":true,"airmass":3.06,"alt":18.9,"az":115.9,"t":"2027-09-17T00:20:00Z","terrain":-1.47},{"above_terrain":true,"airmass":2.94,"alt":19.74,"az":116.9,"t":"2027-09-17T00:25:00Z","terrain":-1.62},{"above_terrain":true,"airmass":2.83,"alt":20.57,"az":117.9,"t":"2027-09-17T00:30:00Z","terrain":-1.44},{"above_terrain":true,"airmass":2.72,"alt":21.39,"az":118.9,"t":"2027-09-17T00:35:00Z","terrain":-1.48},{"above_terrain":true,"airmass":2.63,"alt":22.21,"az":119.9,"t":"2027-09-17T00:40:00Z","terrain":-1.25},{"above_terrain":true,"airmass":2.54,"alt":23.01,"az":121.0,"t":"2027-09-17T00:45:00Z","terrain":-1.25},{"above_terrain":true,"airmass":2.46,"alt":23.81,"az":122.0,"t":"2027-09-17T00:50:00Z","terrain":-1.19},{"above_terrain":true,"airmass":2.39,"alt":24.6,"az":123.1,"t":"2027-09-17T00:55:00Z","terrain":-1.4},{"above_terrain":true,"airmass":2.32,"alt":25.38,"az":124.2,"t":"2027-09-17T01:00:00Z","terrain":-1.5},{"above_terrain":true,"airmass":2.26,"alt":26.15,"az":125.2,"t":"2027-09-17T01:05:00Z","terrain":-1.63},{"above_terrain":true,"airmass":2.2,"alt":26.91,"az":126.3,"t":"2027-09-17T01:10:00Z","terrain":-1.58},{"above_terrain":true,"airmass":2.15,"alt":27.66,"az":127.5,"t":"2027-09-17T01:15:00Z","terrain":-1.48},{"above_terrain":true,"airmass":2.1,"alt":28.4,"az":128.6,"t":"2027-09-17T01:20:00Z","terrain":-1.24},{"above_terrain":true,"airmass":2.05,"alt":29.12,"az":129.8,"t":"2027-09-17T01:25:00Z","terrain":-1.46},{"above_terrain":true,"airmass":2.0,"alt":29.83,"az":130.9,"t":"2027-09-17T01:30:00Z","terrain":-1.68},{"above_terrain":true,"airmass":1.96,"alt":30.53,"az":132.1,"t":"2027-09-17T01:35:00Z","terrain":-1.64},{"above_terrain":true,"airmass":1.92,"alt":31.22,"az":133.4,"t":"2027-09-17T01:40:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.89,"alt":31.9,"az":134.6,"t":"2027-09-17T01:45:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.85,"alt":32.56,"az":135.8,"t":"2027-09-17T01:50:00Z","terrain":-1.21},{"above_terrain":true,"airmass":1.82,"alt":33.2,"az":137.1,"t":"2027-09-17T01:55:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.79,"alt":33.83,"az":138.4,"t":"2027-09-17T02:00:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.76,"alt":34.44,"az":139.7,"t":"2027-09-17T02:05:00Z","terrain":-1.33},{"above_terrain":true,"airmass":1.74,"alt":35.04,"az":141.1,"t":"2027-09-17T02:10:00Z","terrain":-1.11},{"above_terrain":true,"airmass":1.71,"alt":35.62,"az":142.4,"t":"2027-09-17T02:15:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.69,"alt":36.18,"az":143.8,"t":"2027-09-17T02:20:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.67,"alt":36.72,"az":145.2,"t":"2027-09-17T02:25:00Z","terrain":-1.49},{"above_terrain":true,"airmass":1.65,"alt":37.25,"az":146.6,"t":"2027-09-17T02:30:00Z","terrain":-1.38},{"above_terrain":true,"airmass":1.63,"alt":37.75,"az":148.0,"t":"2027-09-17T02:35:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.61,"alt":38.24,"az":149.5,"t":"2027-09-17T02:40:00Z","terrain":-1.31},{"above_terrain":true,"airmass":1.6,"alt":38.7,"az":151.0,"t":"2027-09-17T02:45:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.58,"alt":39.15,"az":152.5,"t":"2027-09-17T02:50:00Z","terrain":-1.1},{"above_terrain":true,"airmass":1.57,"alt":39.57,"az":154.0,"t":"2027-09-17T02:55:00Z","terrain":-1.04},{"above_terrain":true,"airmass":1.55,"alt":39.97,"az":155.5,"t":"2027-09-17T03:00:00Z","terrain":-1.17},{"above_terrain":true,"airmass":1.54,"alt":40.34,"az":157.1,"t":"2027-09-17T03:05:00Z","terrain":-1.09},{"above_terrain":true,"airmass":1.53,"alt":40.7,"az":158.7,"t":"2027-09-17T03:10:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.52,"alt":41.03,"az":160.3,"t":"2027-09-17T03:15:00Z","terrain":-0.97},{"above_terrain":true,"airmass":1.51,"alt":41.33,"az":161.9,"t":"2027-09-17T03:20:00Z","terrain":-1.34},{"above_terrain":true,"airmass":1.5,"alt":41.61,"az":163.5,"t":"2027-09-17T03:25:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.5,"alt":41.86,"az":165.1,"t":"2027-09-17T03:30:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.49,"alt":42.09,"az":166.8,"t":"2027-09-17T03:35:00Z","terrain":-1.19},{"above_terrain":true,"airmass":1.48,"alt":42.29,"az":168.4,"t":"2027-09-17T03:40:00Z","terrain":-0.89},{"above_terrain":true,"airmass":1.48,"alt":42.46,"az":170.1,"t":"2027-09-17T03:45:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.48,"alt":42.61,"az":171.8,"t":"2027-09-17T03:50:00Z","terrain":-0.59},{"above_terrain":true,"airmass":1.47,"alt":42.73,"az":173.5,"t":"2027-09-17T03:55:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.47,"alt":42.82,"az":175.2,"t":"2027-09-17T04:00:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.47,"alt":42.89,"az":176.9,"t":"2027-09-17T04:05:00Z","terrain":-0.37},{"above_terrain":true,"airmass":1.47,"alt":42.93,"az":178.6,"t":"2027-09-17T04:10:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.47,"alt":42.94,"az":180.3,"t":"2027-09-17T04:15:00Z","terrain":-0.57},{"above_terrain":true,"airmass":1.47,"alt":42.92,"az":182.0,"t":"2027-09-17T04:20:00Z","terrain":-0.68},{"above_terrain":true,"airmass":1.47,"alt":42.87,"az":183.7,"t":"2027-09-17T04:25:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.47,"alt":42.8,"az":185.4,"t":"2027-09-17T04:30:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.47,"alt":42.69,"az":187.1,"t":"2027-09-17T04:35:00Z","terrain":-0.62},{"above_terrain":true,"airmass":1.48,"alt":42.57,"az":188.8,"t":"2027-09-17T04:40:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.48,"alt":42.41,"az":190.4,"t":"2027-09-17T04:45:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.49,"alt":42.23,"az":192.1,"t":"2027-09-17T04:50:00Z","terrain":-0.41},{"above_terrain":true,"airmass":1.49,"alt":42.02,"az":193.8,"t":"2027-09-17T04:55:00Z","terrain":-0.48},{"above_terrain":true,"airmass":1.5,"alt":41.78,"az":195.4,"t":"2027-09-17T05:00:00Z","terrain":-0.52},{"above_terrain":true,"airmass":1.51,"alt":41.52,"az":197.1,"t":"2027-09-17T05:05:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.52,"alt":41.23,"az":198.7,"t":"2027-09-17T05:10:00Z","terrain":-0.34},{"above_terrain":true,"airmass":1.52,"alt":40.92,"az":200.3,"t":"2027-09-17T05:15:00Z","terrain":-0.32},{"above_terrain":true,"airmass":1.53,"alt":40.58,"az":201.9,"t":"2027-09-17T05:20:00Z","terrain":-0.49},{"above_terrain":true,"airmass":1.55,"alt":40.22,"az":203.4,"t":"2027-09-17T05:25:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.56,"alt":39.84,"az":205.0,"t":"2027-09-17T05:30:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.57,"alt":39.43,"az":206.5,"t":"2027-09-17T05:35:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.59,"alt":39.0,"az":208.0,"t":"2027-09-17T05:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.6,"alt":38.55,"az":209.5,"t":"2027-09-17T05:45:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.62,"alt":38.08,"az":211.0,"t":"2027-09-17T05:50:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.64,"alt":37.59,"az":212.4,"t":"2027-09-17T05:55:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.66,"alt":37.08,"az":213.9,"t":"2027-09-17T06:00:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.68,"alt":36.55,"az":215.3,"t":"2027-09-17T06:05:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.7,"alt":36.0,"az":216.7,"t":"2027-09-17T06:10:00Z","terrain":0.9},{"above_terrain":true,"airmass":1.72,"alt":35.43,"az":218.0,"t":"2027-09-17T06:15:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.75,"alt":34.84,"az":219.4,"t":"2027-09-17T06:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.77,"alt":34.24,"az":220.7,"t":"2027-09-17T06:25:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.8,"alt":33.62,"az":222.0,"t":"2027-09-17T06:30:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.83,"alt":32.99,"az":223.3,"t":"2027-09-17T06:35:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.86,"alt":32.34,"az":224.6,"t":"2027-09-17T06:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.9,"alt":31.67,"az":225.8,"t":"2027-09-17T06:45:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.94,"alt":31.0,"az":227.0,"t":"2027-09-17T06:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.98,"alt":30.3,"az":228.3,"t":"2027-09-17T06:55:00Z","terrain":1.18},{"above_terrain":true,"airmass":2.02,"alt":29.6,"az":229.4,"t":"2027-09-17T07:00:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.06,"alt":28.88,"az":230.6,"t":"2027-09-17T07:05:00Z","terrain":0.98},{"above_terrain":true,"airmass":2.11,"alt":28.15,"az":231.8,"t":"2027-09-17T07:10:00Z","terrain":0.89},{"above_terrain":true,"airmass":2.16,"alt":27.41,"az":232.9,"t":"2027-09-17T07:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.22,"alt":26.66,"az":234.0,"t":"2027-09-17T07:20:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.28,"alt":25.9,"az":235.1,"t":"2027-09-17T07:25:00Z","terrain":0.96},{"above_terrain":true,"airmass":2.35,"alt":25.12,"az":236.2,"t":"2027-09-17T07:30:00Z","terrain":0.79},{"above_terrain":true,"airmass":2.42,"alt":24.34,"az":237.3,"t":"2027-09-17T07:35:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.49,"alt":23.55,"az":238.3,"t":"2027-09-17T07:40:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.57,"alt":22.75,"az":239.4,"t":"2027-09-17T07:45:00Z","terrain":0.62},{"above_terrain":true,"airmass":2.66,"alt":21.94,"az":240.4,"t":"2027-09-17T07:50:00Z","terrain":0.78},{"above_terrain":true,"airmass":2.76,"alt":21.12,"az":241.4,"t":"2027-09-17T07:55:00Z","terrain":0.86},{"above_terrain":true,"airmass":2.86,"alt":20.3,"az":242.4,"t":"2027-09-17T08:00:00Z","terrain":1.03},{"above_terrain":true,"airmass":2.98,"alt":19.46,"az":243.4,"t":"2027-09-17T08:05:00Z","terrain":0.98},{"above_terrain":true,"airmass":3.11,"alt":18.62,"az":244.4,"t":"2027-09-17T08:10:00Z","terrain":0.96},{"above_terrain":true,"airmass":3.25,"alt":17.77,"az":245.3,"t":"2027-09-17T08:15:00Z","terrain":1.06},{"above_terrain":true,"airmass":3.4,"alt":16.92,"az":246.3,"t":"2027-09-17T08:20:00Z","terrain":1.13},{"above_terrain":true,"airmass":3.57,"alt":16.06,"az":247.2,"t":"2027-09-17T08:25:00Z","terrain":0.91},{"above_terrain":true,"airmass":3.77,"alt":15.19,"az":248.2,"t":"2027-09-17T08:30:00Z","terrain":0.56},{"above_terrain":true,"airmass":3.98,"alt":14.32,"az":249.1,"t":"2027-09-17T08:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.23,"alt":13.45,"az":250.0,"t":"2027-09-17T08:40:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.51,"alt":12.56,"az":250.9,"t":"2027-09-17T08:45:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.83,"alt":11.68,"az":251.8,"t":"2027-09-17T08:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":5.21,"alt":10.79,"az":252.7,"t":"2027-09-17T08:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":5.64,"alt":9.89,"az":253.6,"t":"2027-09-17T09:00:00Z","terrain":0.17}],"transit":{"airmass":1.47,"alt":42.9,"az":180.3,"t":"2027-09-17T04:15:00Z"},"usable_hours":2.0,"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."]}