{"assessment":{"best_window":{"end":"2027-02-10T19:45Z","end_local":"21:45","hours":2.33,"label":"good","mean_quality":0.77,"start":"2027-02-10T17:25Z","start_local":"19:25"},"cost":{"altitude":8.49,"clouds":0.0,"darkness":1.28,"moon":0.2},"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":65,"cloud":null,"high":null,"iso":"2027-02-10T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":39,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"18:00","wind":null},{"alt":54,"cloud":null,"high":null,"iso":"2027-02-10T17:00Z","label":"marginal","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.43,"rh":null,"sky":"astronomical twilight","temp":null,"time":"19:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2027-02-10T18:00Z","label":"good","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":33,"cloud":null,"high":null,"iso":"2027-02-10T19:00Z","label":"good","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.76,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":23,"cloud":null,"high":null,"iso":"2027-02-10T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-3,"precip":null,"q":0.54,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":15,"cloud":null,"high":null,"iso":"2027-02-10T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-13,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":7,"cloud":null,"high":null,"iso":"2027-02-10T22:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-22,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":1,"cloud":null,"high":null,"iso":"2027-02-10T23:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-30,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":-4,"cloud":null,"high":null,"iso":"2027-02-11T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-37,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2027-02-11T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-40,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2027-02-11T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-40,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-5,"cloud":null,"high":null,"iso":"2027-02-11T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-37,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2027-02-11T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":4,"cloud":null,"high":null,"iso":"2027-02-11T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-22,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.84,"peak_sky":0.84,"quality_hours":2.46,"reasons":["the target being low or below 20\u00b0 cost 8.5 quality-hours","daylight and twilight cost 1.3 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":52,"score_weather":null,"sky_hours":2.46,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2027-02-10T16:20Z","end_local":"18:20","hours":0.58,"label":"unusable","mean_quality":0.0,"start":"2027-02-10T15:45Z","start_local":"17:45"},{"end":"2027-02-10T16:50Z","end_local":"18:50","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2027-02-10T16:20Z","start_local":"18:20"},{"end":"2027-02-10T17:25Z","end_local":"19:25","hours":0.58,"label":"marginal","mean_quality":0.43,"start":"2027-02-10T16:50Z","start_local":"18:50"},{"end":"2027-02-10T19:45Z","end_local":"21:45","hours":2.33,"label":"good","mean_quality":0.77,"start":"2027-02-10T17:25Z","start_local":"19:25"},{"end":"2027-02-10T20:25Z","end_local":"22:25","hours":0.67,"label":"marginal","mean_quality":0.52,"start":"2027-02-10T19:45Z","start_local":"21:45"},{"end":"2027-02-11T05:25Z","end_local":"07:25","hours":9.0,"label":"unusable","mean_quality":0.0,"start":"2027-02-10T20:25Z","start_local":"22:25"}]},"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":"2027-02-10T17:21:32Z","dark_hours":10.45,"dark_to":"2027-02-11T03:48:28Z","moon":{"illumination":0.169,"phase":"waxing crescent","waxing":true},"moon_free_dark_hours":8.05,"moonrise":"2027-02-11T07:15:18Z","moonset":"2027-02-10T19:44:50Z","sunrise":"2027-02-11T05:22:14Z","sunset":"2027-02-10T15:47:32Z","twilight":{"astronomical":{"end":"2027-02-10T17:21:32Z","start":"2027-02-11T03:48:28Z"},"civil":{"end":"2027-02-10T16:16:23Z","start":"2027-02-11T04:53:28Z"},"nautical":{"end":"2027-02-10T16:49:11Z","start":"2027-02-11T04:20:45Z"}},"window_end":"2027-02-11T10:00:00Z","window_start":"2027-02-10T10:00:00Z"},"night_date":"2027-02-10","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.32,"alt":49.2,"t":"2027-02-10T17:25:00Z"},"dec":41.26875,"dec_of_date":41.417,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":1.92,"limit_rise":"2027-02-11T07:00:28Z","limit_set":"2027-02-10T20:22:51Z","max_az_rate_deg_per_min":22.28,"moon_separation":33.5,"never_rises":false,"ra":10.68470833,"ra_of_date":11.0571,"ra_str":"00h 42m 44.3s","resolved":{"common_name":"Andromeda Galaxy","dec":41.26875,"morphology":"SA(s)b","name":"M 31","ra":10.68470833,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=M31","source":"sesame","type":"AGN","type_text":"galaxy with an active nucleus","vmag":3.44},"summary":"Only 1.9 h above 30\u00b0, 3.0 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2027-02-10T23:10:48Z","blocked_dark_hours":0,"clears_at":"2027-02-11T04:26:18Z","rise_az":70.9},"track":[{"above_terrain":true,"airmass":1.33,"alt":48.82,"az":70.9,"t":"2027-02-10T10:00:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.31,"alt":49.71,"az":71.4,"t":"2027-02-10T10:05:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.29,"alt":50.6,"az":71.9,"t":"2027-02-10T10:10:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.28,"alt":51.49,"az":72.3,"t":"2027-02-10T10:15:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.26,"alt":52.38,"az":72.8,"t":"2027-02-10T10:20:00Z","terrain":1.03},{"above_terrain":true,"airmass":1.25,"alt":53.27,"az":73.3,"t":"2027-02-10T10:25:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.23,"alt":54.17,"az":73.8,"t":"2027-02-10T10:30:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.22,"alt":55.07,"az":74.2,"t":"2027-02-10T10:35:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.21,"alt":55.97,"az":74.7,"t":"2027-02-10T10:40:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.19,"alt":56.88,"az":75.2,"t":"2027-02-10T10:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.18,"alt":57.78,"az":75.6,"t":"2027-02-10T10:50:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.17,"alt":58.69,"az":76.1,"t":"2027-02-10T10:55:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.6,"az":76.6,"t":"2027-02-10T11:00:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.51,"az":77.0,"t":"2027-02-10T11:05:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.14,"alt":61.42,"az":77.5,"t":"2027-02-10T11:10:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.13,"alt":62.34,"az":77.9,"t":"2027-02-10T11:15:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.12,"alt":63.25,"az":78.4,"t":"2027-02-10T11:20:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.11,"alt":64.17,"az":78.9,"t":"2027-02-10T11:25:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.1,"alt":65.09,"az":79.3,"t":"2027-02-10T11:30:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.09,"alt":66.01,"az":79.8,"t":"2027-02-10T11:35:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.09,"alt":66.93,"az":80.2,"t":"2027-02-10T11:40:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.08,"alt":67.86,"az":80.7,"t":"2027-02-10T11:45:00Z","terrain":0.62},{"above_terrain":true,"airmass":1.07,"alt":68.78,"az":81.2,"t":"2027-02-10T11:50:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.07,"alt":69.71,"az":81.6,"t":"2027-02-10T11:55:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.06,"alt":70.63,"az":82.1,"t":"2027-02-10T12:00:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.05,"alt":71.56,"az":82.6,"t":"2027-02-10T12:05:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.05,"alt":72.49,"az":83.0,"t":"2027-02-10T12:10:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.04,"alt":73.42,"az":83.5,"t":"2027-02-10T12:15:00Z","terrain":0.42},{"above_terrain":true,"airmass":1.04,"alt":74.35,"az":84.0,"t":"2027-02-10T12:20:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.03,"alt":75.28,"az":84.5,"t":"2027-02-10T12:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.03,"alt":76.21,"az":85.0,"t":"2027-02-10T12:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.03,"alt":77.14,"az":85.5,"t":"2027-02-10T12:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":78.08,"az":86.0,"t":"2027-02-10T12:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.02,"alt":79.01,"az":86.5,"t":"2027-02-10T12:45:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.02,"alt":79.95,"az":87.1,"t":"2027-02-10T12:50:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.01,"alt":80.88,"az":87.7,"t":"2027-02-10T12:55:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.01,"alt":81.82,"az":88.3,"t":"2027-02-10T13:00:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.01,"alt":82.75,"az":89.0,"t":"2027-02-10T13:05:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.01,"alt":83.69,"az":89.7,"t":"2027-02-10T13:10:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":84.62,"az":90.6,"t":"2027-02-10T13:15:00Z","terrain":-0.15},{"above_terrain":true,"airmass":1.0,"alt":85.56,"az":91.6,"t":"2027-02-10T13:20:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.0,"alt":86.5,"az":93.0,"t":"2027-02-10T13:25:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.0,"alt":87.43,"az":95.0,"t":"2027-02-10T13:30:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.0,"alt":88.36,"az":99.0,"t":"2027-02-10T13:35:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":89.27,"az":111.8,"t":"2027-02-10T13:40:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.0,"alt":89.62,"az":223.2,"t":"2027-02-10T13:45:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.0,"alt":88.77,"az":257.5,"t":"2027-02-10T13:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.0,"alt":87.85,"az":263.6,"t":"2027-02-10T13:55:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.0,"alt":86.92,"az":266.2,"t":"2027-02-10T14:00:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.0,"alt":85.98,"az":267.8,"t":"2027-02-10T14:05:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.0,"alt":85.05,"az":269.0,"t":"2027-02-10T14:10:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.0,"alt":84.11,"az":269.9,"t":"2027-02-10T14:15:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.01,"alt":83.17,"az":270.7,"t":"2027-02-10T14:20:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.01,"alt":82.24,"az":271.4,"t":"2027-02-10T14:25:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.01,"alt":81.3,"az":272.1,"t":"2027-02-10T14:30:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.01,"alt":80.37,"az":272.6,"t":"2027-02-10T14:35:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":79.43,"az":273.2,"t":"2027-02-10T14:40:00Z","terrain":0.1},{"above_terrain":true,"airmass":1.02,"alt":78.5,"az":273.8,"t":"2027-02-10T14:45:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.02,"alt":77.56,"az":274.3,"t":"2027-02-10T14:50:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.03,"alt":76.63,"az":274.8,"t":"2027-02-10T14:55:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.03,"alt":75.7,"az":275.3,"t":"2027-02-10T15:00:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.04,"alt":74.77,"az":275.8,"t":"2027-02-10T15:05:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.04,"alt":73.84,"az":276.3,"t":"2027-02-10T15:10:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.05,"alt":72.91,"az":276.7,"t":"2027-02-10T15:15:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.05,"alt":71.98,"az":277.2,"t":"2027-02-10T15:20:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.06,"alt":71.05,"az":277.7,"t":"2027-02-10T15:25:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.06,"alt":70.12,"az":278.2,"t":"2027-02-10T15:30:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.07,"alt":69.2,"az":278.6,"t":"2027-02-10T15:35:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.08,"alt":68.27,"az":279.1,"t":"2027-02-10T15:40:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.08,"alt":67.35,"az":279.5,"t":"2027-02-10T15:45:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.09,"alt":66.43,"az":280.0,"t":"2027-02-10T15:50:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.1,"alt":65.51,"az":280.5,"t":"2027-02-10T15:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.11,"alt":64.59,"az":280.9,"t":"2027-02-10T16:00:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.12,"alt":63.67,"az":281.4,"t":"2027-02-10T16:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.12,"alt":62.75,"az":281.9,"t":"2027-02-10T16:10:00Z","terrain":-0.11},{"above_terrain":true,"airmass":1.13,"alt":61.84,"az":282.3,"t":"2027-02-10T16:15:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.14,"alt":60.92,"az":282.8,"t":"2027-02-10T16:20:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.15,"alt":60.01,"az":283.2,"t":"2027-02-10T16:25:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.16,"alt":59.1,"az":283.7,"t":"2027-02-10T16:30:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.18,"alt":58.19,"az":284.2,"t":"2027-02-10T16:35:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.19,"alt":57.28,"az":284.6,"t":"2027-02-10T16:40:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.2,"alt":56.38,"az":285.1,"t":"2027-02-10T16:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.48,"az":285.6,"t":"2027-02-10T16:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.23,"alt":54.58,"az":286.0,"t":"2027-02-10T16:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.24,"alt":53.68,"az":286.5,"t":"2027-02-10T17:00:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.25,"alt":52.78,"az":287.0,"t":"2027-02-10T17:05:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.27,"alt":51.89,"az":287.4,"t":"2027-02-10T17:10:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.29,"alt":51.0,"az":287.9,"t":"2027-02-10T17:15:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.3,"alt":50.11,"az":288.4,"t":"2027-02-10T17:20:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.32,"alt":49.22,"az":288.9,"t":"2027-02-10T17:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.34,"alt":48.34,"az":289.4,"t":"2027-02-10T17:30:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.36,"alt":47.45,"az":289.9,"t":"2027-02-10T17:35:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.38,"alt":46.58,"az":290.3,"t":"2027-02-10T17:40:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.4,"alt":45.7,"az":290.8,"t":"2027-02-10T17:45:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.42,"alt":44.83,"az":291.3,"t":"2027-02-10T17:50:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.44,"alt":43.96,"az":291.8,"t":"2027-02-10T17:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.46,"alt":43.09,"az":292.3,"t":"2027-02-10T18:00:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.49,"alt":42.22,"az":292.8,"t":"2027-02-10T18:05:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.51,"alt":41.36,"az":293.3,"t":"2027-02-10T18:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.54,"alt":40.51,"az":293.8,"t":"2027-02-10T18:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.56,"alt":39.65,"az":294.4,"t":"2027-02-10T18:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.59,"alt":38.8,"az":294.9,"t":"2027-02-10T18:25:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.62,"alt":37.95,"az":295.4,"t":"2027-02-10T18:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.65,"alt":37.11,"az":295.9,"t":"2027-02-10T18:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.69,"alt":36.27,"az":296.4,"t":"2027-02-10T18:40:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.72,"alt":35.43,"az":297.0,"t":"2027-02-10T18:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.76,"alt":34.6,"az":297.5,"t":"2027-02-10T18:50:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.79,"alt":33.77,"az":298.0,"t":"2027-02-10T18:55:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.83,"alt":32.95,"az":298.6,"t":"2027-02-10T19:00:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.88,"alt":32.13,"az":299.1,"t":"2027-02-10T19:05:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.92,"alt":31.31,"az":299.7,"t":"2027-02-10T19:10:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.96,"alt":30.5,"az":300.2,"t":"2027-02-10T19:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.01,"alt":29.7,"az":300.8,"t":"2027-02-10T19:20:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.06,"alt":28.89,"az":301.4,"t":"2027-02-10T19:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":2.12,"alt":28.1,"az":301.9,"t":"2027-02-10T19:30:00Z","terrain":0.1},{"above_terrain":true,"airmass":2.17,"alt":27.31,"az":302.5,"t":"2027-02-10T19:35:00Z","terrain":-0.07},{"above_terrain":true,"airmass":2.23,"alt":26.52,"az":303.1,"t":"2027-02-10T19:40:00Z","terrain":-0.22},{"above_terrain":true,"airmass":2.29,"alt":25.74,"az":303.6,"t":"2027-02-10T19:45:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.36,"alt":24.96,"az":304.2,"t":"2027-02-10T19:50:00Z","terrain":-0.14},{"above_terrain":true,"airmass":2.43,"alt":24.19,"az":304.8,"t":"2027-02-10T19:55:00Z","terrain":-0.26},{"above_terrain":true,"airmass":2.5,"alt":23.42,"az":305.4,"t":"2027-02-10T20:00:00Z","terrain":-0.24},{"above_terrain":true,"airmass":2.58,"alt":22.66,"az":306.0,"t":"2027-02-10T20:05:00Z","terrain":-0.16},{"above_terrain":true,"airmass":2.66,"alt":21.91,"az":306.6,"t":"2027-02-10T20:10:00Z","terrain":0.05},{"above_terrain":true,"airmass":2.75,"alt":21.16,"az":307.2,"t":"2027-02-10T20:15:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.85,"alt":20.42,"az":307.9,"t":"2027-02-10T20:20:00Z","terrain":0.3},{"above_terrain":true,"airmass":2.95,"alt":19.68,"az":308.5,"t":"2027-02-10T20:25:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.05,"alt":18.95,"az":309.1,"t":"2027-02-10T20:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.17,"alt":18.23,"az":309.7,"t":"2027-02-10T20:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.29,"alt":17.51,"az":310.4,"t":"2027-02-10T20:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.42,"alt":16.81,"az":311.0,"t":"2027-02-10T20:45:00Z","terrain":0.35},{"above_terrain":true,"airmass":3.56,"alt":16.1,"az":311.7,"t":"2027-02-10T20:50:00Z","terrain":0.21},{"above_terrain":true,"airmass":3.72,"alt":15.41,"az":312.3,"t":"2027-02-10T20:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.88,"alt":14.72,"az":313.0,"t":"2027-02-10T21:00:00Z","terrain":0.27},{"above_terrain":true,"airmass":4.06,"alt":14.04,"az":313.7,"t":"2027-02-10T21:05:00Z","terrain":0.4},{"above_terrain":true,"airmass":4.25,"alt":13.37,"az":314.3,"t":"2027-02-10T21:10:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.46,"alt":12.7,"az":315.0,"t":"2027-02-10T21:15:00Z","terrain":0.56},{"above_terrain":true,"airmass":4.69,"alt":12.04,"az":315.7,"t":"2027-02-10T21:20:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.95,"alt":11.39,"az":316.4,"t":"2027-02-10T21:25:00Z","terrain":0.41},{"above_terrain":true,"airmass":5.22,"alt":10.75,"az":317.1,"t":"2027-02-10T21:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.53,"alt":10.12,"az":317.8,"t":"2027-02-10T21:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.86,"alt":9.49,"az":318.5,"t":"2027-02-10T21:40:00Z","terrain":0.08},{"above_terrain":true,"airmass":6.23,"alt":8.88,"az":319.2,"t":"2027-02-10T21:45:00Z","terrain":-0.15},{"above_terrain":true,"airmass":6.65,"alt":8.27,"az":320.0,"t":"2027-02-10T21:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.12,"alt":7.67,"az":320.7,"t":"2027-02-10T21:55:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.64,"alt":7.09,"az":321.4,"t":"2027-02-10T22:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":8.24,"alt":6.51,"az":322.2,"t":"2027-02-10T22:05:00Z","terrain":0.19},{"above_terrain":true,"airmass":8.92,"alt":5.94,"az":322.9,"t":"2027-02-10T22:10:00Z","terrain":0.09},{"above_terrain":true,"airmass":9.7,"alt":5.38,"az":323.7,"t":"2027-02-10T22:15:00Z","terrain":-0.12},{"above_terrain":true,"airmass":10.6,"alt":4.83,"az":324.5,"t":"2027-02-10T22:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.65,"alt":4.29,"az":325.2,"t":"2027-02-10T22:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.88,"alt":3.76,"az":326.0,"t":"2027-02-10T22:30:00Z","terrain":-0.24},{"above_terrain":true,"airmass":14.34,"alt":3.25,"az":326.8,"t":"2027-02-10T22:35:00Z","terrain":-0.36},{"above_terrain":true,"airmass":16.09,"alt":2.74,"az":327.6,"t":"2027-02-10T22:40:00Z","terrain":-0.29},{"above_terrain":true,"airmass":18.21,"alt":2.24,"az":328.4,"t":"2027-02-10T22:45:00Z","terrain":-0.19},{"above_terrain":true,"airmass":20.79,"alt":1.76,"az":329.2,"t":"2027-02-10T22:50:00Z","terrain":-0.17},{"above_terrain":true,"airmass":23.98,"alt":1.29,"az":330.0,"t":"2027-02-10T22:55:00Z","terrain":-0.35},{"above_terrain":true,"airmass":27.94,"alt":0.82,"az":330.8,"t":"2027-02-10T23:00:00Z","terrain":-0.38},{"above_terrain":true,"airmass":32.86,"alt":0.37,"az":331.7,"t":"2027-02-10T23:05:00Z","terrain":-0.23},{"above_terrain":true,"airmass":null,"alt":-0.07,"az":332.5,"t":"2027-02-10T23:10:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.49,"az":333.3,"t":"2027-02-10T23:15:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-0.91,"az":334.2,"t":"2027-02-10T23:20:00Z","terrain":-0.29},{"above_terrain":false,"airmass":null,"alt":-1.31,"az":335.0,"t":"2027-02-10T23:25:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-1.7,"az":335.9,"t":"2027-02-10T23:30:00Z","terrain":-0.8},{"above_terrain":false,"airmass":null,"alt":-2.07,"az":336.7,"t":"2027-02-10T23:35:00Z","terrain":-0.76},{"above_terrain":false,"airmass":null,"alt":-2.44,"az":337.6,"t":"2027-02-10T23:40:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-2.79,"az":338.5,"t":"2027-02-10T23:45:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-3.12,"az":339.4,"t":"2027-02-10T23:50:00Z","terrain":-0.67},{"above_terrain":false,"airmass":null,"alt":-3.44,"az":340.2,"t":"2027-02-10T23:55:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-3.75,"az":341.1,"t":"2027-02-11T00:00:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-4.05,"az":342.0,"t":"2027-02-11T00:05:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-4.33,"az":342.9,"t":"2027-02-11T00:10:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.6,"az":343.8,"t":"2027-02-11T00:15:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.85,"az":344.7,"t":"2027-02-11T00:20:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-5.09,"az":345.7,"t":"2027-02-11T00:25:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-5.32,"az":346.6,"t":"2027-02-11T00:30:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-5.53,"az":347.5,"t":"2027-02-11T00:35:00Z","terrain":-0.28},{"above_terrain":false,"airmass":null,"alt":-5.72,"az":348.4,"t":"2027-02-11T00:40:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-5.9,"az":349.3,"t":"2027-02-11T00:45:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-6.07,"az":350.3,"t":"2027-02-11T00:50:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.22,"az":351.2,"t":"2027-02-11T00:55:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-6.35,"az":352.1,"t":"2027-02-11T01:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-6.48,"az":353.1,"t":"2027-02-11T01:05:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-6.58,"az":354.0,"t":"2027-02-11T01:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.67,"az":355.0,"t":"2027-02-11T01:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.75,"az":355.9,"t":"2027-02-11T01:20:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":356.8,"t":"2027-02-11T01:25:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.85,"az":357.8,"t":"2027-02-11T01:30:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-6.88,"az":358.7,"t":"2027-02-11T01:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.89,"az":359.7,"t":"2027-02-11T01:40:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-6.89,"az":0.6,"t":"2027-02-11T01:45:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":1.6,"t":"2027-02-11T01:50:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":2.5,"t":"2027-02-11T01:55:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-6.79,"az":3.5,"t":"2027-02-11T02:00:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-6.72,"az":4.4,"t":"2027-02-11T02:05:00Z","terrain":-0.34},{"above_terrain":false,"airmass":null,"alt":-6.64,"az":5.4,"t":"2027-02-11T02:10:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-6.55,"az":6.3,"t":"2027-02-11T02:15:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-6.44,"az":7.2,"t":"2027-02-11T02:20:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.31,"az":8.2,"t":"2027-02-11T02:25:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-6.17,"az":9.1,"t":"2027-02-11T02:30:00Z","terrain":-0.65},{"above_terrain":false,"airmass":null,"alt":-6.01,"az":10.0,"t":"2027-02-11T02:35:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-5.84,"az":11.0,"t":"2027-02-11T02:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-5.66,"az":11.9,"t":"2027-02-11T02:45:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-5.46,"az":12.8,"t":"2027-02-11T02:50:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-5.24,"az":13.7,"t":"2027-02-11T02:55:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-5.01,"az":14.7,"t":"2027-02-11T03:00:00Z","terrain":0.3},{"above_terrain":false,"airmass":null,"alt":-4.77,"az":15.6,"t":"2027-02-11T03:05:00Z","terrain":0.46},{"above_terrain":false,"airmass":null,"alt":-4.51,"az":16.5,"t":"2027-02-11T03:10:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.24,"az":17.4,"t":"2027-02-11T03:15:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-3.95,"az":18.3,"t":"2027-02-11T03:20:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.65,"az":19.2,"t":"2027-02-11T03:25:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-3.34,"az":20.1,"t":"2027-02-11T03:30:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-3.01,"az":20.9,"t":"2027-02-11T03:35:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-2.67,"az":21.8,"t":"2027-02-11T03:40:00Z","terrain":0.93},{"above_terrain":false,"airmass":null,"alt":-2.31,"az":22.7,"t":"2027-02-11T03:45:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-1.95,"az":23.5,"t":"2027-02-11T03:50:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-1.57,"az":24.4,"t":"2027-02-11T03:55:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-1.17,"az":25.3,"t":"2027-02-11T04:00:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-0.77,"az":26.1,"t":"2027-02-11T04:05:00Z","terrain":1.33},{"above_terrain":false,"airmass":null,"alt":-0.35,"az":27.0,"t":"2027-02-11T04:10:00Z","terrain":1.28},{"above_terrain":false,"airmass":36.74,"alt":0.08,"az":27.8,"t":"2027-02-11T04:15:00Z","terrain":1.21},{"above_terrain":false,"airmass":31.09,"alt":0.52,"az":28.6,"t":"2027-02-11T04:20:00Z","terrain":1.07},{"above_terrain":false,"airmass":26.51,"alt":0.98,"az":29.4,"t":"2027-02-11T04:25:00Z","terrain":1.07},{"above_terrain":true,"airmass":22.83,"alt":1.44,"az":30.3,"t":"2027-02-11T04:30:00Z","terrain":1.19},{"above_terrain":true,"airmass":19.87,"alt":1.92,"az":31.1,"t":"2027-02-11T04:35:00Z","terrain":1.31},{"above_terrain":true,"airmass":17.45,"alt":2.41,"az":31.9,"t":"2027-02-11T04:40:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.47,"alt":2.91,"az":32.7,"t":"2027-02-11T04:45:00Z","terrain":1.1},{"above_terrain":true,"airmass":13.82,"alt":3.42,"az":33.5,"t":"2027-02-11T04:50:00Z","terrain":0.73},{"above_terrain":true,"airmass":12.44,"alt":3.94,"az":34.2,"t":"2027-02-11T04:55:00Z","terrain":0.34},{"above_terrain":true,"airmass":11.28,"alt":4.47,"az":35.0,"t":"2027-02-11T05:00:00Z","terrain":0.05},{"above_terrain":true,"airmass":10.28,"alt":5.01,"az":35.8,"t":"2027-02-11T05:05:00Z","terrain":0.03},{"above_terrain":true,"airmass":9.42,"alt":5.57,"az":36.6,"t":"2027-02-11T05:10:00Z","terrain":-0.04},{"above_terrain":true,"airmass":8.68,"alt":6.13,"az":37.3,"t":"2027-02-11T05:15:00Z","terrain":-0.13},{"above_terrain":true,"airmass":8.03,"alt":6.7,"az":38.1,"t":"2027-02-11T05:20:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.46,"alt":7.28,"az":38.8,"t":"2027-02-11T05:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":6.96,"alt":7.87,"az":39.5,"t":"2027-02-11T05:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":6.51,"alt":8.48,"az":40.3,"t":"2027-02-11T05:35:00Z","terrain":-0.03},{"above_terrain":true,"airmass":6.1,"alt":9.08,"az":41.0,"t":"2027-02-11T05:40:00Z","terrain":0.02},{"above_terrain":true,"airmass":5.74,"alt":9.7,"az":41.7,"t":"2027-02-11T05:45:00Z","terrain":0.09},{"above_terrain":true,"airmass":5.42,"alt":10.33,"az":42.4,"t":"2027-02-11T05:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":5.13,"alt":10.97,"az":43.1,"t":"2027-02-11T05:55:00Z","terrain":0.27},{"above_terrain":true,"airmass":4.86,"alt":11.61,"az":43.8,"t":"2027-02-11T06:00:00Z","terrain":0.38},{"above_terrain":true,"airmass":4.61,"alt":12.26,"az":44.5,"t":"2027-02-11T06:05:00Z","terrain":0.5},{"above_terrain":true,"airmass":4.39,"alt":12.92,"az":45.2,"t":"2027-02-11T06:10:00Z","terrain":0.6},{"above_terrain":true,"airmass":4.19,"alt":13.59,"az":45.9,"t":"2027-02-11T06:15:00Z","terrain":0.66},{"above_terrain":true,"airmass":4.0,"alt":14.27,"az":46.6,"t":"2027-02-11T06:20:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.83,"alt":14.95,"az":47.2,"t":"2027-02-11T06:25:00Z","terrain":0.59},{"above_terrain":true,"airmass":3.66,"alt":15.64,"az":47.9,"t":"2027-02-11T06:30:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.52,"alt":16.34,"az":48.5,"t":"2027-02-11T06:35:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.38,"alt":17.04,"az":49.2,"t":"2027-02-11T06:40:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.25,"alt":17.75,"az":49.8,"t":"2027-02-11T06:45:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.13,"alt":18.47,"az":50.5,"t":"2027-02-11T06:50:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.02,"alt":19.2,"az":51.1,"t":"2027-02-11T06:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.91,"alt":19.93,"az":51.7,"t":"2027-02-11T07:00:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.81,"alt":20.67,"az":52.3,"t":"2027-02-11T07:05:00Z","terrain":0.7},{"above_terrain":true,"airmass":2.72,"alt":21.41,"az":53.0,"t":"2027-02-11T07:10:00Z","terrain":0.83},{"above_terrain":true,"airmass":2.64,"alt":22.16,"az":53.6,"t":"2027-02-11T07:15:00Z","terrain":0.93},{"above_terrain":true,"airmass":2.55,"alt":22.92,"az":54.2,"t":"2027-02-11T07:20:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.48,"alt":23.68,"az":54.8,"t":"2027-02-11T07:25:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.41,"alt":24.45,"az":55.4,"t":"2027-02-11T07:30:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.34,"alt":25.22,"az":56.0,"t":"2027-02-11T07:35:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.27,"alt":26.0,"az":56.5,"t":"2027-02-11T07:40:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.21,"alt":26.78,"az":57.1,"t":"2027-02-11T07:45:00Z","terrain":1.09},{"above_terrain":true,"airmass":2.15,"alt":27.57,"az":57.7,"t":"2027-02-11T07:50:00Z","terrain":1.2},{"above_terrain":true,"airmass":2.1,"alt":28.36,"az":58.3,"t":"2027-02-11T07:55:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.05,"alt":29.16,"az":58.8,"t":"2027-02-11T08:00:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.0,"alt":29.97,"az":59.4,"t":"2027-02-11T08:05:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.95,"alt":30.77,"az":60.0,"t":"2027-02-11T08:10:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.9,"alt":31.59,"az":60.5,"t":"2027-02-11T08:15:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.86,"alt":32.4,"az":61.1,"t":"2027-02-11T08:20:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.82,"alt":33.22,"az":61.6,"t":"2027-02-11T08:25:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.78,"alt":34.05,"az":62.1,"t":"2027-02-11T08:30:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.75,"alt":34.88,"az":62.7,"t":"2027-02-11T08:35:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.71,"alt":35.71,"az":63.2,"t":"2027-02-11T08:40:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.68,"alt":36.55,"az":63.7,"t":"2027-02-11T08:45:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.64,"alt":37.39,"az":64.3,"t":"2027-02-11T08:50:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.61,"alt":38.24,"az":64.8,"t":"2027-02-11T08:55:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.58,"alt":39.09,"az":65.3,"t":"2027-02-11T09:00:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.56,"alt":39.94,"az":65.8,"t":"2027-02-11T09:05:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.53,"alt":40.79,"az":66.3,"t":"2027-02-11T09:10:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.5,"alt":41.65,"az":66.8,"t":"2027-02-11T09:15:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.48,"alt":42.51,"az":67.3,"t":"2027-02-11T09:20:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.45,"alt":43.38,"az":67.8,"t":"2027-02-11T09:25:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.43,"alt":44.25,"az":68.3,"t":"2027-02-11T09:30:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.41,"alt":45.12,"az":68.8,"t":"2027-02-11T09:35:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.39,"alt":45.99,"az":69.3,"t":"2027-02-11T09:40:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.37,"alt":46.87,"az":69.8,"t":"2027-02-11T09:45:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.35,"alt":47.75,"az":70.3,"t":"2027-02-11T09:50:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.33,"alt":48.63,"az":70.8,"t":"2027-02-11T09:55:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.31,"alt":49.52,"az":71.3,"t":"2027-02-11T10:00:00Z","terrain":1.24}],"transit":{"airmass":1.0,"alt":89.6,"az":223.2,"t":"2027-02-10T13:45:00Z"},"usable_hours":3.0,"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."]}