{"assessment":{"best_window":{"end":"2027-01-31T04:00Z","end_local":"06:00","hours":5.58,"label":"good","mean_quality":0.82,"start":"2027-01-30T22:25Z","start_local":"00:25"},"cost":{"altitude":6.05,"clouds":0.0,"darkness":1.01,"moon":0.4},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically worth it \u2014 weather unknown","hourly":[{"alt":-40,"cloud":null,"high":null,"iso":"2027-01-30T16:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-68,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"18:00","wind":null},{"alt":-32,"cloud":null,"high":null,"iso":"2027-01-30T17:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-73,"precip":null,"q":0.0,"rh":null,"sky":"astronomical twilight","temp":null,"time":"19:00","wind":null},{"alt":-23,"cloud":null,"high":null,"iso":"2027-01-30T18:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-70,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":-12,"cloud":null,"high":null,"iso":"2027-01-30T19:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-62,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":-1,"cloud":null,"high":null,"iso":"2027-01-30T20:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-52,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":10,"cloud":null,"high":null,"iso":"2027-01-30T21:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-41,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":21,"cloud":null,"high":null,"iso":"2027-01-30T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-31,"precip":null,"q":0.45,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":31,"cloud":null,"high":null,"iso":"2027-01-30T23:00Z","label":"good","low":null,"mid":null,"moon_alt":-20,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":40,"cloud":null,"high":null,"iso":"2027-01-31T00:00Z","label":"good","low":null,"mid":null,"moon_alt":-10,"precip":null,"q":0.87,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2027-01-31T01:00Z","label":"good","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.91,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":50,"cloud":null,"high":null,"iso":"2027-01-31T02:00Z","label":"good","low":null,"mid":null,"moon_alt":7,"precip":null,"q":0.81,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":49,"cloud":null,"high":null,"iso":"2027-01-31T03:00Z","label":"good","low":null,"mid":null,"moon_alt":14,"precip":null,"q":0.79,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":43,"cloud":null,"high":null,"iso":"2027-01-31T04:00Z","label":"marginal","low":null,"mid":null,"moon_alt":19,"precip":null,"q":0.38,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2027-01-31T05:00Z","label":"poor","low":null,"mid":null,"moon_alt":22,"precip":null,"q":0.11,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.92,"peak_sky":0.92,"quality_hours":5.1,"reasons":["the target being low or below 20\u00b0 cost 6.1 quality-hours","daylight and twilight cost 1.0 quality-hours","moonlight cost 0.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":92,"score_weather":null,"sky_hours":5.1,"verdict":"unknown","verdict_astronomy":"good","weather_known":false,"windows":[{"end":"2027-01-30T21:55Z","end_local":"23:55","hours":6.42,"label":"unusable","mean_quality":0.0,"start":"2027-01-30T15:30Z","start_local":"17:30"},{"end":"2027-01-30T22:25Z","end_local":"00:25","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2027-01-30T21:55Z","start_local":"23:55"},{"end":"2027-01-31T04:00Z","end_local":"06:00","hours":5.58,"label":"good","mean_quality":0.82,"start":"2027-01-30T22:25Z","start_local":"00:25"},{"end":"2027-01-31T04:35Z","end_local":"06:35","hours":0.58,"label":"marginal","mean_quality":0.37,"start":"2027-01-31T04:00Z","start_local":"06:00"},{"end":"2027-01-31T05:10Z","end_local":"07:10","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2027-01-31T04:35Z","start_local":"06:35"},{"end":"2027-01-31T05:35Z","end_local":"07:35","hours":0.42,"label":"unusable","mean_quality":0.0,"start":"2027-01-31T05:10Z","start_local":"07:10"}]},"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":"2027-01-30T17:09:14Z","dark_hours":10.83,"dark_to":"2027-01-31T03:59:01Z","moon":{"illumination":0.356,"phase":"waning crescent","waxing":false},"moon_free_dark_hours":7.95,"moonrise":"2027-01-31T01:07:59Z","moonset":"2027-01-31T09:50:46Z","sunrise":"2027-01-31T05:34:32Z","sunset":"2027-01-30T15:33:30Z","twilight":{"astronomical":{"end":"2027-01-30T17:09:14Z","start":"2027-01-31T03:59:01Z"},"civil":{"end":"2027-01-30T16:03:07Z","start":"2027-01-31T05:05:00Z"},"nautical":{"end":"2027-01-30T16:36:32Z","start":"2027-01-31T04:31:40Z"}},"window_end":"2027-01-31T10:00:00Z","window_start":"2027-01-30T10:00:00Z"},"night_date":"2027-01-30","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.3,"alt":50.2,"t":"2027-01-31T02:10:00Z"},"dec":2.05238823,"dec_of_date":1.9029,"dec_str":"+02\u00b0 03' 08.6\"","good_hours":5.08,"limit_rise":"2027-01-30T21:53:27Z","limit_set":"2027-01-31T06:28:58Z","max_az_rate_deg_per_min":0.0,"moon_separation":52.7,"never_rises":false,"ra":187.27791594,"ra_of_date":187.6242,"ra_str":"12h 29m 06.7s","resolved":{"dec":2.05238823,"morphology":"E3","name":"3C 273","ra":187.27791594,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=3C%20273","source":"sesame","type":"BLL","type_text":"BL Lac object \u2014 a blazar","vmag":14.83},"summary":"5.1 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2027-01-31T08:15:05Z","blocked_dark_hours":0,"clears_at":"2027-01-30T20:05:27Z","rise_az":88.2},"track":[{"above_terrain":false,"airmass":null,"alt":-18.14,"az":289.8,"t":"2027-01-30T10:00:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-19.01,"az":290.7,"t":"2027-01-30T10:05:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-19.89,"az":291.7,"t":"2027-01-30T10:10:00Z","terrain":0.53},{"above_terrain":false,"airmass":null,"alt":-20.75,"az":292.6,"t":"2027-01-30T10:15:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-21.61,"az":293.6,"t":"2027-01-30T10:20:00Z","terrain":0.26},{"above_terrain":false,"airmass":null,"alt":-22.47,"az":294.6,"t":"2027-01-30T10:25:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-23.32,"az":295.6,"t":"2027-01-30T10:30:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-24.16,"az":296.6,"t":"2027-01-30T10:35:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-24.99,"az":297.7,"t":"2027-01-30T10:40:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-25.81,"az":298.7,"t":"2027-01-30T10:45:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-26.63,"az":299.8,"t":"2027-01-30T10:50:00Z","terrain":0.32},{"above_terrain":false,"airmass":null,"alt":-27.44,"az":300.8,"t":"2027-01-30T10:55:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-28.24,"az":301.9,"t":"2027-01-30T11:00:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-29.03,"az":303.0,"t":"2027-01-30T11:05:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-29.81,"az":304.2,"t":"2027-01-30T11:10:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-30.58,"az":305.3,"t":"2027-01-30T11:15:00Z","terrain":-0.25},{"above_terrain":false,"airmass":null,"alt":-31.33,"az":306.5,"t":"2027-01-30T11:20:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-32.08,"az":307.7,"t":"2027-01-30T11:25:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-32.82,"az":308.9,"t":"2027-01-30T11:30:00Z","terrain":0.19},{"above_terrain":false,"airmass":null,"alt":-33.54,"az":310.1,"t":"2027-01-30T11:35:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-34.25,"az":311.3,"t":"2027-01-30T11:40:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-34.94,"az":312.6,"t":"2027-01-30T11:45:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-35.63,"az":313.9,"t":"2027-01-30T11:50:00Z","terrain":0.44},{"above_terrain":false,"airmass":null,"alt":-36.29,"az":315.2,"t":"2027-01-30T11:55:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-36.95,"az":316.5,"t":"2027-01-30T12:00:00Z","terrain":0.39},{"above_terrain":false,"airmass":null,"alt":-37.58,"az":317.9,"t":"2027-01-30T12:05:00Z","terrain":0.33},{"above_terrain":false,"airmass":null,"alt":-38.2,"az":319.3,"t":"2027-01-30T12:10:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-38.8,"az":320.7,"t":"2027-01-30T12:15:00Z","terrain":-0.2},{"above_terrain":false,"airmass":null,"alt":-39.39,"az":322.1,"t":"2027-01-30T12:20:00Z","terrain":0.2},{"above_terrain":false,"airmass":null,"alt":-39.95,"az":323.5,"t":"2027-01-30T12:25:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-40.5,"az":325.0,"t":"2027-01-30T12:30:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-41.03,"az":326.5,"t":"2027-01-30T12:35:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-41.53,"az":328.0,"t":"2027-01-30T12:40:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-42.02,"az":329.6,"t":"2027-01-30T12:45:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-42.48,"az":331.2,"t":"2027-01-30T12:50:00Z","terrain":-0.35},{"above_terrain":false,"airmass":null,"alt":-42.92,"az":332.8,"t":"2027-01-30T12:55:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-43.34,"az":334.4,"t":"2027-01-30T13:00:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-43.73,"az":336.0,"t":"2027-01-30T13:05:00Z","terrain":-0.83},{"above_terrain":false,"airmass":null,"alt":-44.1,"az":337.7,"t":"2027-01-30T13:10:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-44.44,"az":339.4,"t":"2027-01-30T13:15:00Z","terrain":-0.67},{"above_terrain":false,"airmass":null,"alt":-44.76,"az":341.1,"t":"2027-01-30T13:20:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-45.05,"az":342.8,"t":"2027-01-30T13:25:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-45.31,"az":344.5,"t":"2027-01-30T13:30:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-45.55,"az":346.3,"t":"2027-01-30T13:35:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-45.76,"az":348.0,"t":"2027-01-30T13:40:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-45.94,"az":349.8,"t":"2027-01-30T13:45:00Z","terrain":0.11},{"above_terrain":false,"airmass":null,"alt":-46.09,"az":351.6,"t":"2027-01-30T13:50:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-46.21,"az":353.4,"t":"2027-01-30T13:55:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-46.3,"az":355.2,"t":"2027-01-30T14:00:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-46.36,"az":357.0,"t":"2027-01-30T14:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-46.4,"az":358.8,"t":"2027-01-30T14:10:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-46.4,"az":0.7,"t":"2027-01-30T14:15:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-46.38,"az":2.5,"t":"2027-01-30T14:20:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-46.32,"az":4.3,"t":"2027-01-30T14:25:00Z","terrain":-0.32},{"above_terrain":false,"airmass":null,"alt":-46.24,"az":6.1,"t":"2027-01-30T14:30:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-46.12,"az":7.9,"t":"2027-01-30T14:35:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-45.98,"az":9.7,"t":"2027-01-30T14:40:00Z","terrain":-0.62},{"above_terrain":false,"airmass":null,"alt":-45.81,"az":11.5,"t":"2027-01-30T14:45:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-45.61,"az":13.2,"t":"2027-01-30T14:50:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-45.38,"az":15.0,"t":"2027-01-30T14:55:00Z","terrain":0.41},{"above_terrain":false,"airmass":null,"alt":-45.12,"az":16.7,"t":"2027-01-30T15:00:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-44.84,"az":18.5,"t":"2027-01-30T15:05:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-44.53,"az":20.2,"t":"2027-01-30T15:10:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-44.19,"az":21.9,"t":"2027-01-30T15:15:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-43.83,"az":23.5,"t":"2027-01-30T15:20:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-43.45,"az":25.2,"t":"2027-01-30T15:25:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-43.04,"az":26.8,"t":"2027-01-30T15:30:00Z","terrain":1.29},{"above_terrain":false,"airmass":null,"alt":-42.6,"az":28.4,"t":"2027-01-30T15:35:00Z","terrain":1.11},{"above_terrain":false,"airmass":null,"alt":-42.15,"az":30.0,"t":"2027-01-30T15:40:00Z","terrain":1.15},{"above_terrain":false,"airmass":null,"alt":-41.67,"az":31.5,"t":"2027-01-30T15:45:00Z","terrain":1.32},{"above_terrain":false,"airmass":null,"alt":-41.17,"az":33.1,"t":"2027-01-30T15:50:00Z","terrain":0.95},{"above_terrain":false,"airmass":null,"alt":-40.65,"az":34.6,"t":"2027-01-30T15:55:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-40.1,"az":36.1,"t":"2027-01-30T16:00:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-39.54,"az":37.5,"t":"2027-01-30T16:05:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-38.96,"az":39.0,"t":"2027-01-30T16:10:00Z","terrain":-0.16},{"above_terrain":false,"airmass":null,"alt":-38.37,"az":40.4,"t":"2027-01-30T16:15:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-37.75,"az":41.8,"t":"2027-01-30T16:20:00Z","terrain":0.1},{"above_terrain":false,"airmass":null,"alt":-37.12,"az":43.1,"t":"2027-01-30T16:25:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-36.47,"az":44.5,"t":"2027-01-30T16:30:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-35.81,"az":45.8,"t":"2027-01-30T16:35:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-35.13,"az":47.1,"t":"2027-01-30T16:40:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-34.44,"az":48.3,"t":"2027-01-30T16:45:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-33.73,"az":49.6,"t":"2027-01-30T16:50:00Z","terrain":0.4},{"above_terrain":false,"airmass":null,"alt":-33.01,"az":50.8,"t":"2027-01-30T16:55:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-32.28,"az":52.0,"t":"2027-01-30T17:00:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-31.54,"az":53.2,"t":"2027-01-30T17:05:00Z","terrain":0.87},{"above_terrain":false,"airmass":null,"alt":-30.78,"az":54.4,"t":"2027-01-30T17:10:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-30.02,"az":55.5,"t":"2027-01-30T17:15:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-29.24,"az":56.7,"t":"2027-01-30T17:20:00Z","terrain":1.06},{"above_terrain":false,"airmass":null,"alt":-28.45,"az":57.8,"t":"2027-01-30T17:25:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-27.66,"az":58.9,"t":"2027-01-30T17:30:00Z","terrain":1.22},{"above_terrain":false,"airmass":null,"alt":-26.85,"az":59.9,"t":"2027-01-30T17:35:00Z","terrain":1.17},{"above_terrain":false,"airmass":null,"alt":-26.04,"az":61.0,"t":"2027-01-30T17:40:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-25.21,"az":62.1,"t":"2027-01-30T17:45:00Z","terrain":1.0},{"above_terrain":false,"airmass":null,"alt":-24.38,"az":63.1,"t":"2027-01-30T17:50:00Z","terrain":0.9},{"above_terrain":false,"airmass":null,"alt":-23.55,"az":64.1,"t":"2027-01-30T17:55:00Z","terrain":0.77},{"above_terrain":false,"airmass":null,"alt":-22.7,"az":65.1,"t":"2027-01-30T18:00:00Z","terrain":0.78},{"above_terrain":false,"airmass":null,"alt":-21.85,"az":66.1,"t":"2027-01-30T18:05:00Z","terrain":0.84},{"above_terrain":false,"airmass":null,"alt":-20.99,"az":67.1,"t":"2027-01-30T18:10:00Z","terrain":0.94},{"above_terrain":false,"airmass":null,"alt":-20.12,"az":68.1,"t":"2027-01-30T18:15:00Z","terrain":0.99},{"above_terrain":false,"airmass":null,"alt":-19.25,"az":69.0,"t":"2027-01-30T18:20:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-18.38,"az":70.0,"t":"2027-01-30T18:25:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-17.49,"az":70.9,"t":"2027-01-30T18:30:00Z","terrain":1.26},{"above_terrain":false,"airmass":null,"alt":-16.61,"az":71.8,"t":"2027-01-30T18:35:00Z","terrain":1.21},{"above_terrain":false,"airmass":null,"alt":-15.72,"az":72.7,"t":"2027-01-30T18:40:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-14.82,"az":73.6,"t":"2027-01-30T18:45:00Z","terrain":0.82},{"above_terrain":false,"airmass":null,"alt":-13.92,"az":74.5,"t":"2027-01-30T18:50:00Z","terrain":0.68},{"above_terrain":false,"airmass":null,"alt":-13.02,"az":75.4,"t":"2027-01-30T18:55:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-12.11,"az":76.3,"t":"2027-01-30T19:00:00Z","terrain":0.71},{"above_terrain":false,"airmass":null,"alt":-11.2,"az":77.2,"t":"2027-01-30T19:05:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-10.28,"az":78.1,"t":"2027-01-30T19:10:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-9.37,"az":78.9,"t":"2027-01-30T19:15:00Z","terrain":0.57},{"above_terrain":false,"airmass":null,"alt":-8.45,"az":79.8,"t":"2027-01-30T19:20:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-7.52,"az":80.6,"t":"2027-01-30T19:25:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-6.6,"az":81.5,"t":"2027-01-30T19:30:00Z","terrain":0.74},{"above_terrain":false,"airmass":null,"alt":-5.67,"az":82.3,"t":"2027-01-30T19:35:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-4.74,"az":83.2,"t":"2027-01-30T19:40:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":84.0,"t":"2027-01-30T19:45:00Z","terrain":0.38},{"above_terrain":false,"airmass":null,"alt":-2.88,"az":84.9,"t":"2027-01-30T19:50:00Z","terrain":0.31},{"above_terrain":false,"airmass":null,"alt":-1.95,"az":85.7,"t":"2027-01-30T19:55:00Z","terrain":0.21},{"above_terrain":false,"airmass":null,"alt":-1.02,"az":86.5,"t":"2027-01-30T20:00:00Z","terrain":0.12},{"above_terrain":false,"airmass":null,"alt":-0.08,"az":87.4,"t":"2027-01-30T20:05:00Z","terrain":0.02},{"above_terrain":true,"airmass":27.64,"alt":0.85,"az":88.2,"t":"2027-01-30T20:10:00Z","terrain":-0.1},{"above_terrain":true,"airmass":20.61,"alt":1.79,"az":89.0,"t":"2027-01-30T20:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":16.14,"alt":2.73,"az":89.9,"t":"2027-01-30T20:20:00Z","terrain":-0.22},{"above_terrain":true,"airmass":13.15,"alt":3.66,"az":90.7,"t":"2027-01-30T20:25:00Z","terrain":-0.13},{"above_terrain":true,"airmass":11.03,"alt":4.6,"az":91.5,"t":"2027-01-30T20:30:00Z","terrain":0.01},{"above_terrain":true,"airmass":9.47,"alt":5.53,"az":92.4,"t":"2027-01-30T20:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":8.28,"alt":6.47,"az":93.2,"t":"2027-01-30T20:40:00Z","terrain":0.35},{"above_terrain":true,"airmass":7.35,"alt":7.4,"az":94.1,"t":"2027-01-30T20:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":6.61,"alt":8.33,"az":94.9,"t":"2027-01-30T20:50:00Z","terrain":0.38},{"above_terrain":true,"airmass":5.99,"alt":9.27,"az":95.8,"t":"2027-01-30T20:55:00Z","terrain":0.51},{"above_terrain":true,"airmass":5.49,"alt":10.2,"az":96.6,"t":"2027-01-30T21:00:00Z","terrain":0.66},{"above_terrain":true,"airmass":5.06,"alt":11.13,"az":97.5,"t":"2027-01-30T21:05:00Z","terrain":0.71},{"above_terrain":true,"airmass":4.69,"alt":12.05,"az":98.3,"t":"2027-01-30T21:10:00Z","terrain":0.62},{"above_terrain":true,"airmass":4.37,"alt":12.98,"az":99.2,"t":"2027-01-30T21:15:00Z","terrain":0.44},{"above_terrain":true,"airmass":4.1,"alt":13.9,"az":100.1,"t":"2027-01-30T21:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.86,"alt":14.82,"az":100.9,"t":"2027-01-30T21:25:00Z","terrain":0.09},{"above_terrain":true,"airmass":3.64,"alt":15.74,"az":101.8,"t":"2027-01-30T21:30:00Z","terrain":-0.02},{"above_terrain":true,"airmass":3.45,"alt":16.65,"az":102.7,"t":"2027-01-30T21:35:00Z","terrain":-0.17},{"above_terrain":true,"airmass":3.28,"alt":17.56,"az":103.6,"t":"2027-01-30T21:40:00Z","terrain":-0.08},{"above_terrain":true,"airmass":3.13,"alt":18.47,"az":104.5,"t":"2027-01-30T21:45:00Z","terrain":-0.1},{"above_terrain":true,"airmass":2.99,"alt":19.38,"az":105.4,"t":"2027-01-30T21:50:00Z","terrain":-0.4},{"above_terrain":true,"airmass":2.87,"alt":20.28,"az":106.4,"t":"2027-01-30T21:55:00Z","terrain":-0.63},{"above_terrain":true,"airmass":2.75,"alt":21.17,"az":107.3,"t":"2027-01-30T22:00:00Z","terrain":-0.71},{"above_terrain":true,"airmass":2.65,"alt":22.06,"az":108.2,"t":"2027-01-30T22:05:00Z","terrain":-0.99},{"above_terrain":true,"airmass":2.55,"alt":22.95,"az":109.2,"t":"2027-01-30T22:10:00Z","terrain":-1.18},{"above_terrain":true,"airmass":2.46,"alt":23.83,"az":110.2,"t":"2027-01-30T22:15:00Z","terrain":-1.18},{"above_terrain":true,"airmass":2.38,"alt":24.71,"az":111.2,"t":"2027-01-30T22:20:00Z","terrain":-1.34},{"above_terrain":true,"airmass":2.31,"alt":25.58,"az":112.2,"t":"2027-01-30T22:25:00Z","terrain":-1.39},{"above_terrain":true,"airmass":2.24,"alt":26.44,"az":113.2,"t":"2027-01-30T22:30:00Z","terrain":-1.47},{"above_terrain":true,"airmass":2.17,"alt":27.3,"az":114.2,"t":"2027-01-30T22:35:00Z","terrain":-1.6},{"above_terrain":true,"airmass":2.11,"alt":28.15,"az":115.2,"t":"2027-01-30T22:40:00Z","terrain":-1.5},{"above_terrain":true,"airmass":2.06,"alt":28.99,"az":116.3,"t":"2027-01-30T22:45:00Z","terrain":-1.51},{"above_terrain":true,"airmass":2.0,"alt":29.83,"az":117.4,"t":"2027-01-30T22:50:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.96,"alt":30.65,"az":118.4,"t":"2027-01-30T22:55:00Z","terrain":-1.45},{"above_terrain":true,"airmass":1.91,"alt":31.47,"az":119.5,"t":"2027-01-30T23:00:00Z","terrain":-1.35},{"above_terrain":true,"airmass":1.87,"alt":32.28,"az":120.7,"t":"2027-01-30T23:05:00Z","terrain":-1.25},{"above_terrain":true,"airmass":1.83,"alt":33.08,"az":121.8,"t":"2027-01-30T23:10:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.79,"alt":33.87,"az":123.0,"t":"2027-01-30T23:15:00Z","terrain":-1.39},{"above_terrain":true,"airmass":1.76,"alt":34.65,"az":124.2,"t":"2027-01-30T23:20:00Z","terrain":-1.51},{"above_terrain":true,"airmass":1.72,"alt":35.42,"az":125.4,"t":"2027-01-30T23:25:00Z","terrain":-1.62},{"above_terrain":true,"airmass":1.69,"alt":36.18,"az":126.6,"t":"2027-01-30T23:30:00Z","terrain":-1.56},{"above_terrain":true,"airmass":1.66,"alt":36.92,"az":127.9,"t":"2027-01-30T23:35:00Z","terrain":-1.43},{"above_terrain":true,"airmass":1.63,"alt":37.66,"az":129.1,"t":"2027-01-30T23:40:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.61,"alt":38.38,"az":130.4,"t":"2027-01-30T23:45:00Z","terrain":-1.61},{"above_terrain":true,"airmass":1.58,"alt":39.08,"az":131.8,"t":"2027-01-30T23:50:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.56,"alt":39.77,"az":133.1,"t":"2027-01-30T23:55:00Z","terrain":-1.65},{"above_terrain":true,"airmass":1.54,"alt":40.45,"az":134.5,"t":"2027-01-31T00:00:00Z","terrain":-1.42},{"above_terrain":true,"airmass":1.52,"alt":41.11,"az":135.9,"t":"2027-01-31T00:05:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.5,"alt":41.75,"az":137.3,"t":"2027-01-31T00:10:00Z","terrain":-1.2},{"above_terrain":true,"airmass":1.48,"alt":42.37,"az":138.8,"t":"2027-01-31T00:15:00Z","terrain":-1.29},{"above_terrain":true,"airmass":1.46,"alt":42.98,"az":140.3,"t":"2027-01-31T00:20:00Z","terrain":-1.26},{"above_terrain":true,"airmass":1.45,"alt":43.57,"az":141.8,"t":"2027-01-31T00:25:00Z","terrain":-1.28},{"above_terrain":true,"airmass":1.43,"alt":44.14,"az":143.4,"t":"2027-01-31T00:30:00Z","terrain":-1.36},{"above_terrain":true,"airmass":1.42,"alt":44.69,"az":144.9,"t":"2027-01-31T00:35:00Z","terrain":-1.48},{"above_terrain":true,"airmass":1.41,"alt":45.21,"az":146.5,"t":"2027-01-31T00:40:00Z","terrain":-1.4},{"above_terrain":true,"airmass":1.4,"alt":45.72,"az":148.2,"t":"2027-01-31T00:45:00Z","terrain":-1.44},{"above_terrain":true,"airmass":1.38,"alt":46.2,"az":149.8,"t":"2027-01-31T00:50:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.37,"alt":46.66,"az":151.5,"t":"2027-01-31T00:55:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.36,"alt":47.09,"az":153.3,"t":"2027-01-31T01:00:00Z","terrain":-0.95},{"above_terrain":true,"airmass":1.35,"alt":47.5,"az":155.0,"t":"2027-01-31T01:05:00Z","terrain":-1.08},{"above_terrain":true,"airmass":1.35,"alt":47.88,"az":156.8,"t":"2027-01-31T01:10:00Z","terrain":-1.13},{"above_terrain":true,"airmass":1.34,"alt":48.24,"az":158.6,"t":"2027-01-31T01:15:00Z","terrain":-1.22},{"above_terrain":true,"airmass":1.33,"alt":48.57,"az":160.4,"t":"2027-01-31T01:20:00Z","terrain":-1.01},{"above_terrain":true,"airmass":1.33,"alt":48.87,"az":162.2,"t":"2027-01-31T01:25:00Z","terrain":-1.37},{"above_terrain":true,"airmass":1.32,"alt":49.14,"az":164.1,"t":"2027-01-31T01:30:00Z","terrain":-1.52},{"above_terrain":true,"airmass":1.32,"alt":49.38,"az":166.0,"t":"2027-01-31T01:35:00Z","terrain":-1.24},{"above_terrain":true,"airmass":1.31,"alt":49.59,"az":167.9,"t":"2027-01-31T01:40:00Z","terrain":-0.98},{"above_terrain":true,"airmass":1.31,"alt":49.77,"az":169.8,"t":"2027-01-31T01:45:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.31,"alt":49.92,"az":171.7,"t":"2027-01-31T01:50:00Z","terrain":-0.6},{"above_terrain":true,"airmass":1.3,"alt":50.04,"az":173.7,"t":"2027-01-31T01:55:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.3,"alt":50.13,"az":175.6,"t":"2027-01-31T02:00:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.3,"alt":50.19,"az":177.6,"t":"2027-01-31T02:05:00Z","terrain":-0.38},{"above_terrain":true,"airmass":1.3,"alt":50.21,"az":179.5,"t":"2027-01-31T02:10:00Z","terrain":-0.49},{"above_terrain":true,"airmass":1.3,"alt":50.2,"az":181.5,"t":"2027-01-31T02:15:00Z","terrain":-0.64},{"above_terrain":true,"airmass":1.3,"alt":50.16,"az":183.4,"t":"2027-01-31T02:20:00Z","terrain":-0.61},{"above_terrain":true,"airmass":1.3,"alt":50.09,"az":185.4,"t":"2027-01-31T02:25:00Z","terrain":-0.65},{"above_terrain":true,"airmass":1.3,"alt":49.98,"az":187.3,"t":"2027-01-31T02:30:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.31,"alt":49.85,"az":189.3,"t":"2027-01-31T02:35:00Z","terrain":-0.58},{"above_terrain":true,"airmass":1.31,"alt":49.68,"az":191.2,"t":"2027-01-31T02:40:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.31,"alt":49.49,"az":193.1,"t":"2027-01-31T02:45:00Z","terrain":-0.45},{"above_terrain":true,"airmass":1.32,"alt":49.26,"az":195.0,"t":"2027-01-31T02:50:00Z","terrain":-0.43},{"above_terrain":true,"airmass":1.32,"alt":49.0,"az":196.9,"t":"2027-01-31T02:55:00Z","terrain":-0.46},{"above_terrain":true,"airmass":1.33,"alt":48.72,"az":198.7,"t":"2027-01-31T03:00:00Z","terrain":-0.34},{"above_terrain":true,"airmass":1.34,"alt":48.4,"az":200.5,"t":"2027-01-31T03:05:00Z","terrain":-0.4},{"above_terrain":true,"airmass":1.34,"alt":48.06,"az":202.4,"t":"2027-01-31T03:10:00Z","terrain":-0.54},{"above_terrain":true,"airmass":1.35,"alt":47.69,"az":204.1,"t":"2027-01-31T03:15:00Z","terrain":-0.51},{"above_terrain":true,"airmass":1.36,"alt":47.29,"az":205.9,"t":"2027-01-31T03:20:00Z","terrain":0.05},{"above_terrain":true,"airmass":1.37,"alt":46.87,"az":207.6,"t":"2027-01-31T03:25:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.38,"alt":46.43,"az":209.3,"t":"2027-01-31T03:30:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.39,"alt":45.96,"az":211.0,"t":"2027-01-31T03:35:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.4,"alt":45.46,"az":212.7,"t":"2027-01-31T03:40:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.41,"alt":44.95,"az":214.3,"t":"2027-01-31T03:45:00Z","terrain":0.65},{"above_terrain":true,"airmass":1.43,"alt":44.41,"az":215.9,"t":"2027-01-31T03:50:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.44,"alt":43.85,"az":217.4,"t":"2027-01-31T03:55:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.46,"alt":43.27,"az":219.0,"t":"2027-01-31T04:00:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.47,"alt":42.67,"az":220.5,"t":"2027-01-31T04:05:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.49,"alt":42.06,"az":222.0,"t":"2027-01-31T04:10:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.51,"alt":41.42,"az":223.4,"t":"2027-01-31T04:15:00Z","terrain":0.56},{"above_terrain":true,"airmass":1.53,"alt":40.77,"az":224.8,"t":"2027-01-31T04:20:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.55,"alt":40.1,"az":226.2,"t":"2027-01-31T04:25:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.57,"alt":39.42,"az":227.6,"t":"2027-01-31T04:30:00Z","terrain":1.07},{"above_terrain":true,"airmass":1.6,"alt":38.72,"az":228.9,"t":"2027-01-31T04:35:00Z","terrain":1.3},{"above_terrain":true,"airmass":1.62,"alt":38.01,"az":230.2,"t":"2027-01-31T04:40:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.65,"alt":37.28,"az":231.5,"t":"2027-01-31T04:45:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.68,"alt":36.54,"az":232.8,"t":"2027-01-31T04:50:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.71,"alt":35.79,"az":234.0,"t":"2027-01-31T04:55:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.74,"alt":35.03,"az":235.2,"t":"2027-01-31T05:00:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.77,"alt":34.25,"az":236.4,"t":"2027-01-31T05:05:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.81,"alt":33.47,"az":237.6,"t":"2027-01-31T05:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.85,"alt":32.67,"az":238.8,"t":"2027-01-31T05:15:00Z","terrain":0.57},{"above_terrain":true,"airmass":1.89,"alt":31.87,"az":239.9,"t":"2027-01-31T05:20:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.93,"alt":31.05,"az":241.0,"t":"2027-01-31T05:25:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.98,"alt":30.23,"az":242.1,"t":"2027-01-31T05:30:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.03,"alt":29.4,"az":243.2,"t":"2027-01-31T05:35:00Z","terrain":1.0},{"above_terrain":true,"airmass":2.09,"alt":28.56,"az":244.3,"t":"2027-01-31T05:40:00Z","terrain":0.95},{"above_terrain":true,"airmass":2.14,"alt":27.71,"az":245.3,"t":"2027-01-31T05:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.21,"alt":26.86,"az":246.3,"t":"2027-01-31T05:50:00Z","terrain":1.13},{"above_terrain":true,"airmass":2.27,"alt":26.0,"az":247.4,"t":"2027-01-31T05:55:00Z","terrain":0.86},{"above_terrain":true,"airmass":2.34,"alt":25.13,"az":248.4,"t":"2027-01-31T06:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.42,"alt":24.26,"az":249.4,"t":"2027-01-31T06:05:00Z","terrain":0.53},{"above_terrain":true,"airmass":2.51,"alt":23.38,"az":250.3,"t":"2027-01-31T06:10:00Z","terrain":0.58},{"above_terrain":true,"airmass":2.6,"alt":22.5,"az":251.3,"t":"2027-01-31T06:15:00Z","terrain":0.45},{"above_terrain":true,"airmass":2.7,"alt":21.61,"az":252.2,"t":"2027-01-31T06:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.81,"alt":20.71,"az":253.2,"t":"2027-01-31T06:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.93,"alt":19.82,"az":254.1,"t":"2027-01-31T06:30:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.06,"alt":18.91,"az":255.0,"t":"2027-01-31T06:35:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.21,"alt":18.01,"az":255.9,"t":"2027-01-31T06:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.37,"alt":17.1,"az":256.9,"t":"2027-01-31T06:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":3.55,"alt":16.18,"az":257.7,"t":"2027-01-31T06:50:00Z","terrain":0.38},{"above_terrain":true,"airmass":3.75,"alt":15.27,"az":258.6,"t":"2027-01-31T06:55:00Z","terrain":0.44},{"above_terrain":true,"airmass":3.98,"alt":14.35,"az":259.5,"t":"2027-01-31T07:00:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.24,"alt":13.43,"az":260.4,"t":"2027-01-31T07:05:00Z","terrain":0.67},{"above_terrain":true,"airmass":4.53,"alt":12.5,"az":261.3,"t":"2027-01-31T07:10:00Z","terrain":0.88},{"above_terrain":true,"airmass":4.87,"alt":11.58,"az":262.1,"t":"2027-01-31T07:15:00Z","terrain":0.96},{"above_terrain":true,"airmass":5.27,"alt":10.65,"az":263.0,"t":"2027-01-31T07:20:00Z","terrain":0.81},{"above_terrain":true,"airmass":5.74,"alt":9.72,"az":263.8,"t":"2027-01-31T07:25:00Z","terrain":0.57},{"above_terrain":true,"airmass":6.29,"alt":8.79,"az":264.7,"t":"2027-01-31T07:30:00Z","terrain":0.43},{"above_terrain":true,"airmass":6.97,"alt":7.86,"az":265.5,"t":"2027-01-31T07:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":7.81,"alt":6.92,"az":266.4,"t":"2027-01-31T07:40:00Z","terrain":0.51},{"above_terrain":true,"airmass":8.86,"alt":5.99,"az":267.2,"t":"2027-01-31T07:45:00Z","terrain":0.59},{"above_terrain":true,"airmass":10.22,"alt":5.05,"az":268.0,"t":"2027-01-31T07:50:00Z","terrain":0.65},{"above_terrain":true,"airmass":12.03,"alt":4.12,"az":268.9,"t":"2027-01-31T07:55:00Z","terrain":0.74},{"above_terrain":true,"airmass":14.55,"alt":3.18,"az":269.7,"t":"2027-01-31T08:00:00Z","terrain":0.86},{"above_terrain":true,"airmass":18.2,"alt":2.24,"az":270.5,"t":"2027-01-31T08:05:00Z","terrain":0.83},{"above_terrain":true,"airmass":23.8,"alt":1.31,"az":271.4,"t":"2027-01-31T08:10:00Z","terrain":0.64},{"above_terrain":true,"airmass":32.85,"alt":0.37,"az":272.2,"t":"2027-01-31T08:15:00Z","terrain":0.36},{"above_terrain":false,"airmass":null,"alt":-0.56,"az":273.0,"t":"2027-01-31T08:20:00Z","terrain":0.13},{"above_terrain":false,"airmass":null,"alt":-1.5,"az":273.9,"t":"2027-01-31T08:25:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-2.43,"az":274.7,"t":"2027-01-31T08:30:00Z","terrain":0.06},{"above_terrain":false,"airmass":null,"alt":-3.36,"az":275.6,"t":"2027-01-31T08:35:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-4.29,"az":276.4,"t":"2027-01-31T08:40:00Z","terrain":-0.06},{"above_terrain":false,"airmass":null,"alt":-5.22,"az":277.2,"t":"2027-01-31T08:45:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-6.15,"az":278.1,"t":"2027-01-31T08:50:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-7.07,"az":278.9,"t":"2027-01-31T08:55:00Z","terrain":-0.02},{"above_terrain":false,"airmass":null,"alt":-8.0,"az":279.8,"t":"2027-01-31T09:00:00Z","terrain":-0.11},{"above_terrain":false,"airmass":null,"alt":-8.92,"az":280.6,"t":"2027-01-31T09:05:00Z","terrain":-0.03},{"above_terrain":false,"airmass":null,"alt":-9.84,"az":281.5,"t":"2027-01-31T09:10:00Z","terrain":-0.05},{"above_terrain":false,"airmass":null,"alt":-10.75,"az":282.4,"t":"2027-01-31T09:15:00Z","terrain":-0.08},{"above_terrain":false,"airmass":null,"alt":-11.67,"az":283.3,"t":"2027-01-31T09:20:00Z","terrain":0.02},{"above_terrain":false,"airmass":null,"alt":-12.58,"az":284.1,"t":"2027-01-31T09:25:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-13.48,"az":285.0,"t":"2027-01-31T09:30:00Z","terrain":0.23},{"above_terrain":false,"airmass":null,"alt":-14.38,"az":285.9,"t":"2027-01-31T09:35:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-15.28,"az":286.8,"t":"2027-01-31T09:40:00Z","terrain":0.34},{"above_terrain":false,"airmass":null,"alt":-16.17,"az":287.7,"t":"2027-01-31T09:45:00Z","terrain":0.22},{"above_terrain":false,"airmass":null,"alt":-17.06,"az":288.7,"t":"2027-01-31T09:50:00Z","terrain":0.18},{"above_terrain":false,"airmass":null,"alt":-17.95,"az":289.6,"t":"2027-01-31T09:55:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-18.83,"az":290.5,"t":"2027-01-31T10:00:00Z","terrain":0.4}],"transit":{"airmass":1.3,"alt":50.2,"az":179.5,"t":"2027-01-31T02:10:00Z"},"usable_hours":6.08,"verdict":"good","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."]}