{"assessment":{"best_window":{"end":"2026-12-21T22:50Z","end_local":"00:50","hours":6.25,"label":"marginal","mean_quality":0.35,"start":"2026-12-21T16:35Z","start_local":"18:35"},"cost":{"altitude":5.43,"clouds":0.0,"darkness":1.41,"moon":4.24},"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":67,"cloud":null,"high":null,"iso":"2026-12-21T15:00Z","label":"unusable","low":null,"mid":null,"moon_alt":28,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"17:00","wind":null},{"alt":78,"cloud":null,"high":null,"iso":"2026-12-21T16:00Z","label":"poor","low":null,"mid":null,"moon_alt":39,"precip":null,"q":0.07,"rh":null,"sky":"nautical twilight","temp":null,"time":"18:00","wind":null},{"alt":89,"cloud":null,"high":null,"iso":"2026-12-21T17:00Z","label":"marginal","low":null,"mid":null,"moon_alt":50,"precip":null,"q":0.41,"rh":null,"sky":"night","temp":null,"time":"19:00","wind":null},{"alt":80,"cloud":null,"high":null,"iso":"2026-12-21T18:00Z","label":"marginal","low":null,"mid":null,"moon_alt":60,"precip":null,"q":0.37,"rh":null,"sky":"night","temp":null,"time":"20:00","wind":null},{"alt":68,"cloud":null,"high":null,"iso":"2026-12-21T19:00Z","label":"marginal","low":null,"mid":null,"moon_alt":69,"precip":null,"q":0.35,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":57,"cloud":null,"high":null,"iso":"2026-12-21T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":73,"precip":null,"q":0.34,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2026-12-21T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":69,"precip":null,"q":0.32,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2026-12-21T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":60,"precip":null,"q":0.31,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":27,"cloud":null,"high":null,"iso":"2026-12-21T23:00Z","label":"poor","low":null,"mid":null,"moon_alt":50,"precip":null,"q":0.27,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":18,"cloud":null,"high":null,"iso":"2026-12-22T00:00Z","label":"unusable","low":null,"mid":null,"moon_alt":39,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":10,"cloud":null,"high":null,"iso":"2026-12-22T01:00Z","label":"unusable","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":3,"cloud":null,"high":null,"iso":"2026-12-22T02:00Z","label":"unusable","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":-2,"cloud":null,"high":null,"iso":"2026-12-22T03:00Z","label":"unusable","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":-6,"cloud":null,"high":null,"iso":"2026-12-22T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-1,"precip":null,"q":0.0,"rh":null,"sky":"night","temp":null,"time":"06:00","wind":null},{"alt":-7,"cloud":null,"high":null,"iso":"2026-12-22T05:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-9,"precip":null,"q":0.0,"rh":null,"sky":"nautical twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.43,"peak_sky":0.43,"quality_hours":2.55,"reasons":["the target being low or below 20\u00b0 cost 5.4 quality-hours","moonlight cost 4.2 quality-hours","daylight and twilight cost 1.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":27,"score_weather":null,"sky_hours":2.55,"verdict":"unknown","verdict_astronomy":"poor","weather_known":false,"windows":[{"end":"2026-12-21T15:30Z","end_local":"17:30","hours":0.67,"label":"unusable","mean_quality":0.0,"start":"2026-12-21T14:50Z","start_local":"16:50"},{"end":"2026-12-21T16:35Z","end_local":"18:35","hours":1.08,"label":"poor","mean_quality":0.14,"start":"2026-12-21T15:30Z","start_local":"17:30"},{"end":"2026-12-21T22:50Z","end_local":"00:50","hours":6.25,"label":"marginal","mean_quality":0.35,"start":"2026-12-21T16:35Z","start_local":"18:35"},{"end":"2026-12-21T23:45Z","end_local":"01:45","hours":0.92,"label":"poor","mean_quality":0.24,"start":"2026-12-21T22:50Z","start_local":"00:50"},{"end":"2026-12-22T05:50Z","end_local":"07:50","hours":6.08,"label":"unusable","mean_quality":0.0,"start":"2026-12-21T23:45Z","start_local":"01:45"}]},"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":"2026-12-21T16:34:05Z","dark_hours":11.51,"dark_to":"2026-12-22T04:04:34Z","moon":{"illumination":0.931,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.17,"moonrise":"2026-12-21T12:15:25Z","moonset":"2026-12-22T03:53:59Z","sunrise":"2026-12-22T05:45:06Z","sunset":"2026-12-21T14:53:33Z","twilight":{"astronomical":{"end":"2026-12-21T16:34:05Z","start":"2026-12-22T04:04:34Z"},"civil":{"end":"2026-12-21T15:25:09Z","start":"2026-12-22T05:13:30Z"},"nautical":{"end":"2026-12-21T16:00:13Z","start":"2026-12-22T04:38:26Z"}},"window_end":"2026-12-22T10:00:00Z","window_start":"2026-12-21T10:00:00Z"},"night_date":"2026-12-21","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.0,"alt":89.7,"t":"2026-12-21T17:05:00Z"},"dec":41.26875,"dec_of_date":41.4162,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":6.08,"limit_rise":"2026-12-21T10:24:55Z","limit_set":"2026-12-21T23:43:21Z","max_az_rate_deg_per_min":20.2,"moon_separation":41.1,"never_rises":false,"ra":10.68470833,"ra_of_date":11.0552,"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":"6.1 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2026-12-22T02:31:20Z","blocked_dark_hours":0,"clears_at":"2026-12-22T07:46:49Z","rise_az":48.6},"track":[{"above_terrain":true,"airmass":3.5,"alt":16.42,"az":48.6,"t":"2026-12-21T10:00:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.36,"alt":17.12,"az":49.3,"t":"2026-12-21T10:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.24,"alt":17.83,"az":49.9,"t":"2026-12-21T10:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.12,"alt":18.55,"az":50.5,"t":"2026-12-21T10:15:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.01,"alt":19.28,"az":51.2,"t":"2026-12-21T10:20:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.9,"alt":20.01,"az":51.8,"t":"2026-12-21T10:25:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.8,"alt":20.75,"az":52.4,"t":"2026-12-21T10:30:00Z","terrain":0.72},{"above_terrain":true,"airmass":2.71,"alt":21.49,"az":53.0,"t":"2026-12-21T10:35:00Z","terrain":0.85},{"above_terrain":true,"airmass":2.63,"alt":22.25,"az":53.6,"t":"2026-12-21T10:40:00Z","terrain":0.94},{"above_terrain":true,"airmass":2.55,"alt":23.0,"az":54.2,"t":"2026-12-21T10:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":2.47,"alt":23.76,"az":54.8,"t":"2026-12-21T10:50:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.4,"alt":24.53,"az":55.4,"t":"2026-12-21T10:55:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.33,"alt":25.31,"az":56.0,"t":"2026-12-21T11:00:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.27,"alt":26.08,"az":56.6,"t":"2026-12-21T11:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.2,"alt":26.87,"az":57.2,"t":"2026-12-21T11:10:00Z","terrain":1.1},{"above_terrain":true,"airmass":2.15,"alt":27.66,"az":57.8,"t":"2026-12-21T11:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":2.09,"alt":28.45,"az":58.3,"t":"2026-12-21T11:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.04,"alt":29.25,"az":58.9,"t":"2026-12-21T11:25:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.99,"alt":30.06,"az":59.5,"t":"2026-12-21T11:30:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.94,"alt":30.86,"az":60.0,"t":"2026-12-21T11:35:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.9,"alt":31.68,"az":60.6,"t":"2026-12-21T11:40:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.86,"alt":32.49,"az":61.1,"t":"2026-12-21T11:45:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.82,"alt":33.32,"az":61.7,"t":"2026-12-21T11:50:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.78,"alt":34.14,"az":62.2,"t":"2026-12-21T11:55:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.74,"alt":34.97,"az":62.7,"t":"2026-12-21T12:00:00Z","terrain":0.94},{"above_terrain":true,"airmass":1.71,"alt":35.81,"az":63.3,"t":"2026-12-21T12:05:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.67,"alt":36.64,"az":63.8,"t":"2026-12-21T12:10:00Z","terrain":0.8},{"above_terrain":true,"airmass":1.64,"alt":37.48,"az":64.3,"t":"2026-12-21T12:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.61,"alt":38.33,"az":64.8,"t":"2026-12-21T12:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.58,"alt":39.18,"az":65.4,"t":"2026-12-21T12:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.55,"alt":40.03,"az":65.9,"t":"2026-12-21T12:30:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.53,"alt":40.89,"az":66.4,"t":"2026-12-21T12:35:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.5,"alt":41.75,"az":66.9,"t":"2026-12-21T12:40:00Z","terrain":0.92},{"above_terrain":true,"airmass":1.48,"alt":42.61,"az":67.4,"t":"2026-12-21T12:45:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.45,"alt":43.47,"az":67.9,"t":"2026-12-21T12:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.43,"alt":44.34,"az":68.4,"t":"2026-12-21T12:55:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.41,"alt":45.22,"az":68.9,"t":"2026-12-21T13:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.39,"alt":46.09,"az":69.4,"t":"2026-12-21T13:05:00Z","terrain":1.12},{"above_terrain":true,"airmass":1.37,"alt":46.97,"az":69.9,"t":"2026-12-21T13:10:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.35,"alt":47.85,"az":70.4,"t":"2026-12-21T13:15:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.33,"alt":48.73,"az":70.8,"t":"2026-12-21T13:20:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.31,"alt":49.62,"az":71.3,"t":"2026-12-21T13:25:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.29,"alt":50.5,"az":71.8,"t":"2026-12-21T13:30:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.28,"alt":51.39,"az":72.3,"t":"2026-12-21T13:35:00Z","terrain":1.14},{"above_terrain":true,"airmass":1.26,"alt":52.29,"az":72.8,"t":"2026-12-21T13:40:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.25,"alt":53.18,"az":73.2,"t":"2026-12-21T13:45:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.23,"alt":54.08,"az":73.7,"t":"2026-12-21T13:50:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.22,"alt":54.98,"az":74.2,"t":"2026-12-21T13:55:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.21,"alt":55.88,"az":74.6,"t":"2026-12-21T14:00:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.19,"alt":56.78,"az":75.1,"t":"2026-12-21T14:05:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.18,"alt":57.69,"az":75.6,"t":"2026-12-21T14:10:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.17,"alt":58.6,"az":76.0,"t":"2026-12-21T14:15:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.51,"az":76.5,"t":"2026-12-21T14:20:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.42,"az":77.0,"t":"2026-12-21T14:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.14,"alt":61.33,"az":77.4,"t":"2026-12-21T14:30:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.13,"alt":62.24,"az":77.9,"t":"2026-12-21T14:35:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.12,"alt":63.16,"az":78.4,"t":"2026-12-21T14:40:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.11,"alt":64.08,"az":78.8,"t":"2026-12-21T14:45:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.1,"alt":65.0,"az":79.3,"t":"2026-12-21T14:50:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.09,"alt":65.92,"az":79.7,"t":"2026-12-21T14:55:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.09,"alt":66.84,"az":80.2,"t":"2026-12-21T15:00:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.08,"alt":67.76,"az":80.7,"t":"2026-12-21T15:05:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.07,"alt":68.69,"az":81.1,"t":"2026-12-21T15:10:00Z","terrain":0.69},{"above_terrain":true,"airmass":1.07,"alt":69.61,"az":81.6,"t":"2026-12-21T15:15:00Z","terrain":0.75},{"above_terrain":true,"airmass":1.06,"alt":70.54,"az":82.1,"t":"2026-12-21T15:20:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.05,"alt":71.46,"az":82.5,"t":"2026-12-21T15:25:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.05,"alt":72.39,"az":83.0,"t":"2026-12-21T15:30:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.04,"alt":73.32,"az":83.5,"t":"2026-12-21T15:35:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.04,"alt":74.25,"az":84.0,"t":"2026-12-21T15:40:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.03,"alt":75.18,"az":84.4,"t":"2026-12-21T15:45:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.03,"alt":76.12,"az":84.9,"t":"2026-12-21T15:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.03,"alt":77.05,"az":85.4,"t":"2026-12-21T15:55:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.02,"alt":77.98,"az":86.0,"t":"2026-12-21T16:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":78.92,"az":86.5,"t":"2026-12-21T16:05:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.02,"alt":79.85,"az":87.0,"t":"2026-12-21T16:10:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.01,"alt":80.79,"az":87.6,"t":"2026-12-21T16:15:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.01,"alt":81.72,"az":88.2,"t":"2026-12-21T16:20:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.01,"alt":82.66,"az":88.9,"t":"2026-12-21T16:25:00Z","terrain":-0.19},{"above_terrain":true,"airmass":1.01,"alt":83.59,"az":89.6,"t":"2026-12-21T16:30:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":84.53,"az":90.5,"t":"2026-12-21T16:35:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.0,"alt":85.46,"az":91.5,"t":"2026-12-21T16:40:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.0,"alt":86.4,"az":92.8,"t":"2026-12-21T16:45:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.0,"alt":87.33,"az":94.8,"t":"2026-12-21T16:50:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.0,"alt":88.26,"az":98.4,"t":"2026-12-21T16:55:00Z","terrain":0.6},{"above_terrain":true,"airmass":1.0,"alt":89.18,"az":109.3,"t":"2026-12-21T17:00:00Z","terrain":-1.18},{"above_terrain":true,"airmass":1.0,"alt":89.68,"az":210.3,"t":"2026-12-21T17:05:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.0,"alt":88.87,"az":256.4,"t":"2026-12-21T17:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.0,"alt":87.94,"az":263.2,"t":"2026-12-21T17:15:00Z","terrain":0.76},{"above_terrain":true,"airmass":1.0,"alt":87.01,"az":266.0,"t":"2026-12-21T17:20:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.0,"alt":86.08,"az":267.7,"t":"2026-12-21T17:25:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.0,"alt":85.14,"az":268.9,"t":"2026-12-21T17:30:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.0,"alt":84.21,"az":269.8,"t":"2026-12-21T17:35:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.01,"alt":83.27,"az":270.6,"t":"2026-12-21T17:40:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.01,"alt":82.33,"az":271.3,"t":"2026-12-21T17:45:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.01,"alt":81.4,"az":272.0,"t":"2026-12-21T17:50:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.01,"alt":80.46,"az":272.6,"t":"2026-12-21T17:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.02,"alt":79.53,"az":273.2,"t":"2026-12-21T18:00:00Z","terrain":0.11},{"above_terrain":true,"airmass":1.02,"alt":78.59,"az":273.7,"t":"2026-12-21T18:05:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.02,"alt":77.66,"az":274.2,"t":"2026-12-21T18:10:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.03,"alt":76.73,"az":274.7,"t":"2026-12-21T18:15:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.03,"alt":75.8,"az":275.2,"t":"2026-12-21T18:20:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.04,"alt":74.86,"az":275.7,"t":"2026-12-21T18:25:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.04,"alt":73.93,"az":276.2,"t":"2026-12-21T18:30:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.05,"alt":73.0,"az":276.7,"t":"2026-12-21T18:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.05,"alt":72.07,"az":277.2,"t":"2026-12-21T18:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.06,"alt":71.15,"az":277.6,"t":"2026-12-21T18:45:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.06,"alt":70.22,"az":278.1,"t":"2026-12-21T18:50:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.07,"alt":69.29,"az":278.6,"t":"2026-12-21T18:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.08,"alt":68.37,"az":279.0,"t":"2026-12-21T19:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.08,"alt":67.44,"az":279.5,"t":"2026-12-21T19:05:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.09,"alt":66.52,"az":280.0,"t":"2026-12-21T19:10:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.1,"alt":65.6,"az":280.4,"t":"2026-12-21T19:15:00Z","terrain":-0.06},{"above_terrain":true,"airmass":1.11,"alt":64.68,"az":280.9,"t":"2026-12-21T19:20:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.11,"alt":63.76,"az":281.3,"t":"2026-12-21T19:25:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.12,"alt":62.85,"az":281.8,"t":"2026-12-21T19:30:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.13,"alt":61.93,"az":282.3,"t":"2026-12-21T19:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.14,"alt":61.02,"az":282.7,"t":"2026-12-21T19:40:00Z","terrain":-0.04},{"above_terrain":true,"airmass":1.15,"alt":60.1,"az":283.2,"t":"2026-12-21T19:45:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.16,"alt":59.19,"az":283.6,"t":"2026-12-21T19:50:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.17,"alt":58.28,"az":284.1,"t":"2026-12-21T19:55:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.19,"alt":57.38,"az":284.6,"t":"2026-12-21T20:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.2,"alt":56.47,"az":285.0,"t":"2026-12-21T20:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.57,"az":285.5,"t":"2026-12-21T20:10:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.22,"alt":54.67,"az":286.0,"t":"2026-12-21T20:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.24,"alt":53.77,"az":286.5,"t":"2026-12-21T20:20:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.25,"alt":52.87,"az":286.9,"t":"2026-12-21T20:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.27,"alt":51.98,"az":287.4,"t":"2026-12-21T20:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.28,"alt":51.09,"az":287.9,"t":"2026-12-21T20:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.3,"alt":50.2,"az":288.4,"t":"2026-12-21T20:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.32,"alt":49.31,"az":288.8,"t":"2026-12-21T20:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.34,"alt":48.43,"az":289.3,"t":"2026-12-21T20:50:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.35,"alt":47.54,"az":289.8,"t":"2026-12-21T20:55:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.37,"alt":46.67,"az":290.3,"t":"2026-12-21T21:00:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.39,"alt":45.79,"az":290.8,"t":"2026-12-21T21:05:00Z","terrain":0.45},{"above_terrain":true,"airmass":1.41,"alt":44.92,"az":291.3,"t":"2026-12-21T21:10:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.44,"alt":44.04,"az":291.8,"t":"2026-12-21T21:15:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.46,"alt":43.18,"az":292.3,"t":"2026-12-21T21:20:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.48,"alt":42.31,"az":292.8,"t":"2026-12-21T21:25:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.51,"alt":41.45,"az":293.3,"t":"2026-12-21T21:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.53,"alt":40.59,"az":293.8,"t":"2026-12-21T21:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.56,"alt":39.74,"az":294.3,"t":"2026-12-21T21:40:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.59,"alt":38.89,"az":294.8,"t":"2026-12-21T21:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.62,"alt":38.04,"az":295.3,"t":"2026-12-21T21:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.65,"alt":37.2,"az":295.9,"t":"2026-12-21T21:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.68,"alt":36.35,"az":296.4,"t":"2026-12-21T22:00:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.72,"alt":35.52,"az":296.9,"t":"2026-12-21T22:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.75,"alt":34.69,"az":297.4,"t":"2026-12-21T22:10:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.79,"alt":33.86,"az":298.0,"t":"2026-12-21T22:15:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.83,"alt":33.03,"az":298.5,"t":"2026-12-21T22:20:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.87,"alt":32.21,"az":299.1,"t":"2026-12-21T22:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.91,"alt":31.4,"az":299.6,"t":"2026-12-21T22:30:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.96,"alt":30.59,"az":300.2,"t":"2026-12-21T22:35:00Z","terrain":0.36},{"above_terrain":true,"airmass":2.01,"alt":29.78,"az":300.7,"t":"2026-12-21T22:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":2.06,"alt":28.98,"az":301.3,"t":"2026-12-21T22:45:00Z","terrain":0.25},{"above_terrain":true,"airmass":2.11,"alt":28.18,"az":301.9,"t":"2026-12-21T22:50:00Z","terrain":0.11},{"above_terrain":true,"airmass":2.17,"alt":27.39,"az":302.4,"t":"2026-12-21T22:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":2.23,"alt":26.6,"az":303.0,"t":"2026-12-21T23:00:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.29,"alt":25.82,"az":303.6,"t":"2026-12-21T23:05:00Z","terrain":-0.15},{"above_terrain":true,"airmass":2.35,"alt":25.04,"az":304.2,"t":"2026-12-21T23:10:00Z","terrain":-0.13},{"above_terrain":true,"airmass":2.42,"alt":24.27,"az":304.8,"t":"2026-12-21T23:15:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.5,"alt":23.5,"az":305.4,"t":"2026-12-21T23:20:00Z","terrain":-0.25},{"above_terrain":true,"airmass":2.57,"alt":22.74,"az":306.0,"t":"2026-12-21T23:25:00Z","terrain":-0.17},{"above_terrain":true,"airmass":2.66,"alt":21.99,"az":306.6,"t":"2026-12-21T23:30:00Z","terrain":0.03},{"above_terrain":true,"airmass":2.74,"alt":21.24,"az":307.2,"t":"2026-12-21T23:35:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.84,"alt":20.5,"az":307.8,"t":"2026-12-21T23:40:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.94,"alt":19.76,"az":308.4,"t":"2026-12-21T23:45:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.04,"alt":19.03,"az":309.0,"t":"2026-12-21T23:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.16,"alt":18.3,"az":309.7,"t":"2026-12-21T23:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.28,"alt":17.59,"az":310.3,"t":"2026-12-22T00:00:00Z","terrain":0.26},{"above_terrain":true,"airmass":3.41,"alt":16.88,"az":311.0,"t":"2026-12-22T00:05:00Z","terrain":0.35},{"above_terrain":true,"airmass":3.55,"alt":16.17,"az":311.6,"t":"2026-12-22T00:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":3.7,"alt":15.48,"az":312.3,"t":"2026-12-22T00:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":3.86,"alt":14.79,"az":312.9,"t":"2026-12-22T00:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.04,"alt":14.11,"az":313.6,"t":"2026-12-22T00:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":4.23,"alt":13.43,"az":314.3,"t":"2026-12-22T00:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.44,"alt":12.77,"az":315.0,"t":"2026-12-22T00:35:00Z","terrain":0.56},{"above_terrain":true,"airmass":4.67,"alt":12.11,"az":315.6,"t":"2026-12-22T00:40:00Z","terrain":0.51},{"above_terrain":true,"airmass":4.92,"alt":11.46,"az":316.3,"t":"2026-12-22T00:45:00Z","terrain":0.42},{"above_terrain":true,"airmass":5.19,"alt":10.82,"az":317.0,"t":"2026-12-22T00:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":5.49,"alt":10.18,"az":317.7,"t":"2026-12-22T00:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.83,"alt":9.56,"az":318.5,"t":"2026-12-22T01:00:00Z","terrain":0.12},{"above_terrain":true,"airmass":6.19,"alt":8.94,"az":319.2,"t":"2026-12-22T01:05:00Z","terrain":-0.15},{"above_terrain":true,"airmass":6.61,"alt":8.33,"az":319.9,"t":"2026-12-22T01:10:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.07,"alt":7.74,"az":320.6,"t":"2026-12-22T01:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.59,"alt":7.15,"az":321.4,"t":"2026-12-22T01:20:00Z","terrain":-0.05},{"above_terrain":true,"airmass":8.18,"alt":6.57,"az":322.1,"t":"2026-12-22T01:25:00Z","terrain":0.2},{"above_terrain":true,"airmass":8.85,"alt":6.0,"az":322.9,"t":"2026-12-22T01:30:00Z","terrain":0.1},{"above_terrain":true,"airmass":9.61,"alt":5.44,"az":323.6,"t":"2026-12-22T01:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":10.5,"alt":4.89,"az":324.4,"t":"2026-12-22T01:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.53,"alt":4.35,"az":325.2,"t":"2026-12-22T01:45:00Z","terrain":-0.2},{"above_terrain":true,"airmass":12.75,"alt":3.82,"az":325.9,"t":"2026-12-22T01:50:00Z","terrain":-0.24},{"above_terrain":true,"airmass":14.18,"alt":3.3,"az":326.7,"t":"2026-12-22T01:55:00Z","terrain":-0.35},{"above_terrain":true,"airmass":15.9,"alt":2.79,"az":327.5,"t":"2026-12-22T02:00:00Z","terrain":-0.31},{"above_terrain":true,"airmass":17.97,"alt":2.29,"az":328.3,"t":"2026-12-22T02:05:00Z","terrain":-0.2},{"above_terrain":true,"airmass":20.51,"alt":1.81,"az":329.1,"t":"2026-12-22T02:10:00Z","terrain":-0.16},{"above_terrain":true,"airmass":23.63,"alt":1.33,"az":329.9,"t":"2026-12-22T02:15:00Z","terrain":-0.33},{"above_terrain":true,"airmass":27.5,"alt":0.87,"az":330.7,"t":"2026-12-22T02:20:00Z","terrain":-0.38},{"above_terrain":true,"airmass":32.31,"alt":0.42,"az":331.6,"t":"2026-12-22T02:25:00Z","terrain":-0.25},{"above_terrain":true,"airmass":null,"alt":-0.02,"az":332.4,"t":"2026-12-22T02:30:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.45,"az":333.2,"t":"2026-12-22T02:35:00Z","terrain":-0.15},{"above_terrain":false,"airmass":null,"alt":-0.86,"az":334.1,"t":"2026-12-22T02:40:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-1.27,"az":334.9,"t":"2026-12-22T02:45:00Z","terrain":-0.57},{"above_terrain":false,"airmass":null,"alt":-1.66,"az":335.8,"t":"2026-12-22T02:50:00Z","terrain":-0.78},{"above_terrain":false,"airmass":null,"alt":-2.03,"az":336.7,"t":"2026-12-22T02:55:00Z","terrain":-0.76},{"above_terrain":false,"airmass":null,"alt":-2.4,"az":337.5,"t":"2026-12-22T03:00:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-2.75,"az":338.4,"t":"2026-12-22T03:05:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-3.09,"az":339.3,"t":"2026-12-22T03:10:00Z","terrain":-0.69},{"above_terrain":false,"airmass":null,"alt":-3.41,"az":340.2,"t":"2026-12-22T03:15:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-3.72,"az":341.0,"t":"2026-12-22T03:20:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-4.02,"az":341.9,"t":"2026-12-22T03:25:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-4.3,"az":342.8,"t":"2026-12-22T03:30:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.57,"az":343.7,"t":"2026-12-22T03:35:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.83,"az":344.6,"t":"2026-12-22T03:40:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-5.07,"az":345.6,"t":"2026-12-22T03:45:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-5.3,"az":346.5,"t":"2026-12-22T03:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-5.51,"az":347.4,"t":"2026-12-22T03:55:00Z","terrain":-0.31},{"above_terrain":false,"airmass":null,"alt":-5.7,"az":348.3,"t":"2026-12-22T04:00:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-5.89,"az":349.2,"t":"2026-12-22T04:05:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-6.05,"az":350.2,"t":"2026-12-22T04:10:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.21,"az":351.1,"t":"2026-12-22T04:15:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-6.34,"az":352.0,"t":"2026-12-22T04:20:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-6.46,"az":353.0,"t":"2026-12-22T04:25:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-6.57,"az":353.9,"t":"2026-12-22T04:30:00Z","terrain":0.61},{"above_terrain":false,"airmass":null,"alt":-6.66,"az":354.9,"t":"2026-12-22T04:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.74,"az":355.8,"t":"2026-12-22T04:40:00Z","terrain":0.72},{"above_terrain":false,"airmass":null,"alt":-6.8,"az":356.7,"t":"2026-12-22T04:45:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.84,"az":357.7,"t":"2026-12-22T04:50:00Z","terrain":0.66},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":358.6,"t":"2026-12-22T04:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.89,"az":359.6,"t":"2026-12-22T05:00:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-6.89,"az":0.5,"t":"2026-12-22T05:05:00Z","terrain":0.43},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":1.5,"t":"2026-12-22T05:10:00Z","terrain":0.25},{"above_terrain":false,"airmass":null,"alt":-6.84,"az":2.4,"t":"2026-12-22T05:15:00Z","terrain":0.01},{"above_terrain":false,"airmass":null,"alt":-6.79,"az":3.4,"t":"2026-12-22T05:20:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-6.73,"az":4.3,"t":"2026-12-22T05:25:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-6.65,"az":5.3,"t":"2026-12-22T05:30:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-6.56,"az":6.2,"t":"2026-12-22T05:35:00Z","terrain":-0.55},{"above_terrain":false,"airmass":null,"alt":-6.45,"az":7.1,"t":"2026-12-22T05:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.33,"az":8.1,"t":"2026-12-22T05:45:00Z","terrain":-0.43},{"above_terrain":false,"airmass":null,"alt":-6.19,"az":9.0,"t":"2026-12-22T05:50:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-6.03,"az":9.9,"t":"2026-12-22T05:55:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-5.86,"az":10.9,"t":"2026-12-22T06:00:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-5.68,"az":11.8,"t":"2026-12-22T06:05:00Z","terrain":-0.22},{"above_terrain":false,"airmass":null,"alt":-5.48,"az":12.7,"t":"2026-12-22T06:10:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-5.27,"az":13.6,"t":"2026-12-22T06:15:00Z","terrain":0.03},{"above_terrain":false,"airmass":null,"alt":-5.04,"az":14.6,"t":"2026-12-22T06:20:00Z","terrain":0.27},{"above_terrain":false,"airmass":null,"alt":-4.8,"az":15.5,"t":"2026-12-22T06:25:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-4.54,"az":16.4,"t":"2026-12-22T06:30:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.27,"az":17.3,"t":"2026-12-22T06:35:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-3.98,"az":18.2,"t":"2026-12-22T06:40:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.68,"az":19.1,"t":"2026-12-22T06:45:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.37,"az":20.0,"t":"2026-12-22T06:50:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-3.05,"az":20.8,"t":"2026-12-22T06:55:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-2.71,"az":21.7,"t":"2026-12-22T07:00:00Z","terrain":0.91},{"above_terrain":false,"airmass":null,"alt":-2.35,"az":22.6,"t":"2026-12-22T07:05:00Z","terrain":1.09},{"above_terrain":false,"airmass":null,"alt":-1.99,"az":23.5,"t":"2026-12-22T07:10:00Z","terrain":1.05},{"above_terrain":false,"airmass":null,"alt":-1.61,"az":24.3,"t":"2026-12-22T07:15:00Z","terrain":1.02},{"above_terrain":false,"airmass":null,"alt":-1.22,"az":25.2,"t":"2026-12-22T07:20:00Z","terrain":1.24},{"above_terrain":false,"airmass":null,"alt":-0.81,"az":26.0,"t":"2026-12-22T07:25:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-0.39,"az":26.9,"t":"2026-12-22T07:30:00Z","terrain":1.29},{"above_terrain":false,"airmass":37.4,"alt":0.03,"az":27.7,"t":"2026-12-22T07:35:00Z","terrain":1.22},{"above_terrain":false,"airmass":31.63,"alt":0.48,"az":28.5,"t":"2026-12-22T07:40:00Z","terrain":1.09},{"above_terrain":false,"airmass":26.95,"alt":0.93,"az":29.4,"t":"2026-12-22T07:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":23.18,"alt":1.39,"az":30.2,"t":"2026-12-22T07:50:00Z","terrain":1.18},{"above_terrain":true,"airmass":20.15,"alt":1.87,"az":31.0,"t":"2026-12-22T07:55:00Z","terrain":1.31},{"above_terrain":true,"airmass":17.68,"alt":2.36,"az":31.8,"t":"2026-12-22T08:00:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.66,"alt":2.86,"az":32.6,"t":"2026-12-22T08:05:00Z","terrain":1.13},{"above_terrain":true,"airmass":13.98,"alt":3.37,"az":33.4,"t":"2026-12-22T08:10:00Z","terrain":0.78},{"above_terrain":true,"airmass":12.58,"alt":3.89,"az":34.2,"t":"2026-12-22T08:15:00Z","terrain":0.37},{"above_terrain":true,"airmass":11.39,"alt":4.42,"az":34.9,"t":"2026-12-22T08:20:00Z","terrain":0.07},{"above_terrain":true,"airmass":10.38,"alt":4.96,"az":35.7,"t":"2026-12-22T08:25:00Z","terrain":0.04},{"above_terrain":true,"airmass":9.51,"alt":5.51,"az":36.5,"t":"2026-12-22T08:30:00Z","terrain":-0.03},{"above_terrain":true,"airmass":8.75,"alt":6.07,"az":37.2,"t":"2026-12-22T08:35:00Z","terrain":-0.12},{"above_terrain":true,"airmass":8.09,"alt":6.64,"az":38.0,"t":"2026-12-22T08:40:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.52,"alt":7.22,"az":38.7,"t":"2026-12-22T08:45:00Z","terrain":-0.17},{"above_terrain":true,"airmass":7.0,"alt":7.81,"az":39.5,"t":"2026-12-22T08:50:00Z","terrain":-0.11},{"above_terrain":true,"airmass":6.55,"alt":8.41,"az":40.2,"t":"2026-12-22T08:55:00Z","terrain":-0.04},{"above_terrain":true,"airmass":6.14,"alt":9.02,"az":40.9,"t":"2026-12-22T09:00:00Z","terrain":0.01},{"above_terrain":true,"airmass":5.78,"alt":9.64,"az":41.6,"t":"2026-12-22T09:05:00Z","terrain":0.08},{"above_terrain":true,"airmass":5.45,"alt":10.26,"az":42.4,"t":"2026-12-22T09:10:00Z","terrain":0.17},{"above_terrain":true,"airmass":5.15,"alt":10.9,"az":43.1,"t":"2026-12-22T09:15:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.88,"alt":11.54,"az":43.8,"t":"2026-12-22T09:20:00Z","terrain":0.37},{"above_terrain":true,"airmass":4.64,"alt":12.19,"az":44.4,"t":"2026-12-22T09:25:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.41,"alt":12.85,"az":45.1,"t":"2026-12-22T09:30:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.21,"alt":13.52,"az":45.8,"t":"2026-12-22T09:35:00Z","terrain":0.65},{"above_terrain":true,"airmass":4.02,"alt":14.2,"az":46.5,"t":"2026-12-22T09:40:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.84,"alt":14.88,"az":47.2,"t":"2026-12-22T09:45:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.68,"alt":15.57,"az":47.8,"t":"2026-12-22T09:50:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.53,"alt":16.27,"az":48.5,"t":"2026-12-22T09:55:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.39,"alt":16.97,"az":49.1,"t":"2026-12-22T10:00:00Z","terrain":0.41}],"transit":{"airmass":1.0,"alt":89.7,"az":210.3,"t":"2026-12-21T17:05:00Z"},"usable_hours":7.17,"verdict":"good","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."]}