{"assessment":{"best_window":{"end":"2029-09-21T02:35Z","end_local":"05:35","hours":1.58,"label":"good","mean_quality":0.63,"start":"2029-09-21T01:00Z","start_local":"04:00"},"cost":{"altitude":0.35,"clouds":0.0,"darkness":1.78,"moon":4.0},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Astronomically possible, with compromises \u2014 weather unknown","hourly":[{"alt":25,"cloud":null,"high":null,"iso":"2029-09-20T17:00Z","label":"poor","low":null,"mid":null,"moon_alt":20,"precip":null,"q":0.05,"rh":null,"sky":"nautical twilight","temp":null,"time":"20:00","wind":null},{"alt":35,"cloud":null,"high":null,"iso":"2029-09-20T18:00Z","label":"marginal","low":null,"mid":null,"moon_alt":29,"precip":null,"q":0.46,"rh":null,"sky":"night","temp":null,"time":"21:00","wind":null},{"alt":45,"cloud":null,"high":null,"iso":"2029-09-20T19:00Z","label":"marginal","low":null,"mid":null,"moon_alt":37,"precip":null,"q":0.46,"rh":null,"sky":"night","temp":null,"time":"22:00","wind":null},{"alt":56,"cloud":null,"high":null,"iso":"2029-09-20T20:00Z","label":"marginal","low":null,"mid":null,"moon_alt":42,"precip":null,"q":0.48,"rh":null,"sky":"night","temp":null,"time":"23:00","wind":null},{"alt":67,"cloud":null,"high":null,"iso":"2029-09-20T21:00Z","label":"marginal","low":null,"mid":null,"moon_alt":43,"precip":null,"q":0.49,"rh":null,"sky":"night","temp":null,"time":"00:00","wind":null},{"alt":78,"cloud":null,"high":null,"iso":"2029-09-20T22:00Z","label":"marginal","low":null,"mid":null,"moon_alt":41,"precip":null,"q":0.5,"rh":null,"sky":"night","temp":null,"time":"01:00","wind":null},{"alt":89,"cloud":null,"high":null,"iso":"2029-09-20T23:00Z","label":"marginal","low":null,"mid":null,"moon_alt":35,"precip":null,"q":0.52,"rh":null,"sky":"night","temp":null,"time":"02:00","wind":null},{"alt":80,"cloud":null,"high":null,"iso":"2029-09-21T00:00Z","label":"marginal","low":null,"mid":null,"moon_alt":28,"precip":null,"q":0.55,"rh":null,"sky":"night","temp":null,"time":"03:00","wind":null},{"alt":69,"cloud":null,"high":null,"iso":"2029-09-21T01:00Z","label":"good","low":null,"mid":null,"moon_alt":18,"precip":null,"q":0.6,"rh":null,"sky":"night","temp":null,"time":"04:00","wind":null},{"alt":58,"cloud":null,"high":null,"iso":"2029-09-21T02:00Z","label":"good","low":null,"mid":null,"moon_alt":8,"precip":null,"q":0.64,"rh":null,"sky":"night","temp":null,"time":"05:00","wind":null},{"alt":47,"cloud":null,"high":null,"iso":"2029-09-21T03:00Z","label":"marginal","low":null,"mid":null,"moon_alt":-3,"precip":null,"q":0.46,"rh":null,"sky":"astronomical twilight","temp":null,"time":"06:00","wind":null},{"alt":36,"cloud":null,"high":null,"iso":"2029-09-21T04:00Z","label":"unusable","low":null,"mid":null,"moon_alt":-13,"precip":null,"q":0.0,"rh":null,"sky":"civil twilight","temp":null,"time":"07:00","wind":null}],"peak_quality":0.65,"peak_sky":0.65,"quality_hours":4.98,"reasons":["moonlight cost 4.0 quality-hours","daylight and twilight cost 1.8 quality-hours","the target being low or below 20\u00b0 cost 0.4 quality-hours"],"reference_hours":4.0,"score":null,"score_astronomy":65,"score_weather":null,"sky_hours":4.98,"verdict":"unknown","verdict_astronomy":"marginal","weather_known":false,"windows":[{"end":"2029-09-20T16:50Z","end_local":"19:50","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2029-09-20T16:20Z","start_local":"19:20"},{"end":"2029-09-20T18:00Z","end_local":"21:00","hours":1.17,"label":"poor","mean_quality":0.14,"start":"2029-09-20T16:50Z","start_local":"19:50"},{"end":"2029-09-21T01:00Z","end_local":"04:00","hours":7.0,"label":"marginal","mean_quality":0.5,"start":"2029-09-20T18:00Z","start_local":"21:00"},{"end":"2029-09-21T02:35Z","end_local":"05:35","hours":1.58,"label":"good","mean_quality":0.63,"start":"2029-09-21T01:00Z","start_local":"04:00"},{"end":"2029-09-21T03:10Z","end_local":"06:10","hours":0.58,"label":"marginal","mean_quality":0.4,"start":"2029-09-21T02:35Z","start_local":"05:35"},{"end":"2029-09-21T03:40Z","end_local":"06:40","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2029-09-21T03:10Z","start_local":"06:10"},{"end":"2029-09-21T04:10Z","end_local":"07:10","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2029-09-21T03:40Z","start_local":"06:40"}]},"calculation_version":"2026-10-10.1","forecast":[],"forecast_source":"none","forecast_updated_at":null,"limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2029-09-20T17:55:07Z","dark_hours":8.65,"dark_to":"2029-09-21T02:33:54Z","moon":{"illumination":0.969,"phase":"waxing gibbous","waxing":true},"moon_free_dark_hours":0.0,"moonrise":"2029-09-20T15:07:24Z","moonset":"2029-09-21T02:44:29Z","sunrise":"2029-09-21T04:07:31Z","sunset":"2029-09-20T16:21:37Z","twilight":{"astronomical":{"end":"2029-09-20T17:55:07Z","start":"2029-09-21T02:33:54Z"},"civil":{"end":"2029-09-20T16:49:20Z","start":"2029-09-21T03:39:45Z"},"nautical":{"end":"2029-09-20T17:21:52Z","start":"2029-09-21T03:07:10Z"}},"window_end":"2029-09-21T09:00:00Z","window_start":"2029-09-20T09:00:00Z"},"night_date":"2029-09-20","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":"2029-09-20T23:05:00Z"},"dec":41.26875,"dec_of_date":41.4312,"dec_str":"+41\u00b0 16' 07.5\"","good_hours":8.58,"limit_rise":"2029-09-20T16:25:39Z","limit_set":"2029-09-21T05:44:13Z","max_az_rate_deg_per_min":15.39,"moon_separation":54.1,"never_rises":false,"ra":10.68470833,"ra_of_date":11.093,"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":"8.6 dark hours above 30\u00b0 \u2014 a proper target for this night.","terrain":{"available":true,"behind_at":"2029-09-21T08:32:16Z","blocked_dark_hours":0,"clears_at":"2029-09-20T13:51:21Z","rise_az":30.2},"track":[{"above_terrain":false,"airmass":null,"alt":-2.04,"az":336.7,"t":"2029-09-20T09:00:00Z","terrain":-0.76},{"above_terrain":false,"airmass":null,"alt":-2.4,"az":337.6,"t":"2029-09-20T09:05:00Z","terrain":-0.58},{"above_terrain":false,"airmass":null,"alt":-2.75,"az":338.4,"t":"2029-09-20T09:10:00Z","terrain":-0.59},{"above_terrain":false,"airmass":null,"alt":-3.09,"az":339.3,"t":"2029-09-20T09:15:00Z","terrain":-0.68},{"above_terrain":false,"airmass":null,"alt":-3.42,"az":340.2,"t":"2029-09-20T09:20:00Z","terrain":-0.51},{"above_terrain":false,"airmass":null,"alt":-3.73,"az":341.1,"t":"2029-09-20T09:25:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-4.02,"az":342.0,"t":"2029-09-20T09:30:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-4.3,"az":342.9,"t":"2029-09-20T09:35:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-4.57,"az":343.8,"t":"2029-09-20T09:40:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-4.83,"az":344.7,"t":"2029-09-20T09:45:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-5.07,"az":345.6,"t":"2029-09-20T09:50:00Z","terrain":-0.49},{"above_terrain":false,"airmass":null,"alt":-5.29,"az":346.5,"t":"2029-09-20T09:55:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-5.5,"az":347.4,"t":"2029-09-20T10:00:00Z","terrain":-0.3},{"above_terrain":false,"airmass":null,"alt":-5.7,"az":348.4,"t":"2029-09-20T10:05:00Z","terrain":-0.09},{"above_terrain":false,"airmass":null,"alt":-5.88,"az":349.3,"t":"2029-09-20T10:10:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-6.05,"az":350.2,"t":"2029-09-20T10:15:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-6.2,"az":351.2,"t":"2029-09-20T10:20:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-6.33,"az":352.1,"t":"2029-09-20T10:25:00Z","terrain":0.29},{"above_terrain":false,"airmass":null,"alt":-6.46,"az":353.0,"t":"2029-09-20T10:30:00Z","terrain":0.5},{"above_terrain":false,"airmass":null,"alt":-6.56,"az":354.0,"t":"2029-09-20T10:35:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.65,"az":354.9,"t":"2029-09-20T10:40:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.73,"az":355.9,"t":"2029-09-20T10:45:00Z","terrain":0.73},{"above_terrain":false,"airmass":null,"alt":-6.79,"az":356.8,"t":"2029-09-20T10:50:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-6.83,"az":357.7,"t":"2029-09-20T10:55:00Z","terrain":0.65},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":358.7,"t":"2029-09-20T11:00:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":359.6,"t":"2029-09-20T11:05:00Z","terrain":0.54},{"above_terrain":false,"airmass":null,"alt":-6.87,"az":0.6,"t":"2029-09-20T11:10:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-6.86,"az":1.5,"t":"2029-09-20T11:15:00Z","terrain":0.24},{"above_terrain":false,"airmass":null,"alt":-6.82,"az":2.5,"t":"2029-09-20T11:20:00Z","terrain":0.0},{"above_terrain":false,"airmass":null,"alt":-6.77,"az":3.4,"t":"2029-09-20T11:25:00Z","terrain":-0.19},{"above_terrain":false,"airmass":null,"alt":-6.71,"az":4.4,"t":"2029-09-20T11:30:00Z","terrain":-0.33},{"above_terrain":false,"airmass":null,"alt":-6.63,"az":5.3,"t":"2029-09-20T11:35:00Z","terrain":-0.48},{"above_terrain":false,"airmass":null,"alt":-6.54,"az":6.3,"t":"2029-09-20T11:40:00Z","terrain":-0.54},{"above_terrain":false,"airmass":null,"alt":-6.43,"az":7.2,"t":"2029-09-20T11:45:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-6.3,"az":8.1,"t":"2029-09-20T11:50:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-6.16,"az":9.1,"t":"2029-09-20T11:55:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-6.01,"az":10.0,"t":"2029-09-20T12:00:00Z","terrain":-0.6},{"above_terrain":false,"airmass":null,"alt":-5.84,"az":10.9,"t":"2029-09-20T12:05:00Z","terrain":-0.42},{"above_terrain":false,"airmass":null,"alt":-5.65,"az":11.8,"t":"2029-09-20T12:10:00Z","terrain":-0.21},{"above_terrain":false,"airmass":null,"alt":-5.45,"az":12.8,"t":"2029-09-20T12:15:00Z","terrain":-0.1},{"above_terrain":false,"airmass":null,"alt":-5.24,"az":13.7,"t":"2029-09-20T12:20:00Z","terrain":0.04},{"above_terrain":false,"airmass":null,"alt":-5.01,"az":14.6,"t":"2029-09-20T12:25:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-4.77,"az":15.5,"t":"2029-09-20T12:30:00Z","terrain":0.45},{"above_terrain":false,"airmass":null,"alt":-4.51,"az":16.4,"t":"2029-09-20T12:35:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-4.24,"az":17.3,"t":"2029-09-20T12:40:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-3.95,"az":18.2,"t":"2029-09-20T12:45:00Z","terrain":0.55},{"above_terrain":false,"airmass":null,"alt":-3.65,"az":19.1,"t":"2029-09-20T12:50:00Z","terrain":0.63},{"above_terrain":false,"airmass":null,"alt":-3.34,"az":20.0,"t":"2029-09-20T12:55:00Z","terrain":0.67},{"above_terrain":false,"airmass":null,"alt":-3.01,"az":20.9,"t":"2029-09-20T13:00:00Z","terrain":0.69},{"above_terrain":false,"airmass":null,"alt":-2.67,"az":21.8,"t":"2029-09-20T13:05:00Z","terrain":0.92},{"above_terrain":false,"airmass":null,"alt":-2.32,"az":22.6,"t":"2029-09-20T13:10:00Z","terrain":1.1},{"above_terrain":false,"airmass":null,"alt":-1.95,"az":23.5,"t":"2029-09-20T13:15:00Z","terrain":1.04},{"above_terrain":false,"airmass":null,"alt":-1.57,"az":24.4,"t":"2029-09-20T13:20:00Z","terrain":1.03},{"above_terrain":false,"airmass":null,"alt":-1.18,"az":25.2,"t":"2029-09-20T13:25:00Z","terrain":1.25},{"above_terrain":false,"airmass":null,"alt":-0.78,"az":26.1,"t":"2029-09-20T13:30:00Z","terrain":1.34},{"above_terrain":false,"airmass":null,"alt":-0.36,"az":26.9,"t":"2029-09-20T13:35:00Z","terrain":1.29},{"above_terrain":false,"airmass":36.88,"alt":0.07,"az":27.7,"t":"2029-09-20T13:40:00Z","terrain":1.21},{"above_terrain":false,"airmass":31.2,"alt":0.51,"az":28.6,"t":"2029-09-20T13:45:00Z","terrain":1.08},{"above_terrain":false,"airmass":26.61,"alt":0.97,"az":29.4,"t":"2029-09-20T13:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":22.91,"alt":1.43,"az":30.2,"t":"2029-09-20T13:55:00Z","terrain":1.18},{"above_terrain":true,"airmass":19.93,"alt":1.91,"az":31.0,"t":"2029-09-20T14:00:00Z","terrain":1.31},{"above_terrain":true,"airmass":17.51,"alt":2.4,"az":31.8,"t":"2029-09-20T14:05:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.51,"alt":2.9,"az":32.6,"t":"2029-09-20T14:10:00Z","terrain":1.12},{"above_terrain":true,"airmass":13.86,"alt":3.41,"az":33.4,"t":"2029-09-20T14:15:00Z","terrain":0.76},{"above_terrain":true,"airmass":12.48,"alt":3.93,"az":34.2,"t":"2029-09-20T14:20:00Z","terrain":0.36},{"above_terrain":true,"airmass":11.31,"alt":4.46,"az":35.0,"t":"2029-09-20T14:25:00Z","terrain":0.06},{"above_terrain":true,"airmass":10.31,"alt":5.0,"az":35.7,"t":"2029-09-20T14:30:00Z","terrain":0.04},{"above_terrain":true,"airmass":9.45,"alt":5.55,"az":36.5,"t":"2029-09-20T14:35:00Z","terrain":-0.03},{"above_terrain":true,"airmass":8.7,"alt":6.11,"az":37.3,"t":"2029-09-20T14:40:00Z","terrain":-0.12},{"above_terrain":true,"airmass":8.05,"alt":6.68,"az":38.0,"t":"2029-09-20T14:45:00Z","terrain":-0.21},{"above_terrain":true,"airmass":7.48,"alt":7.27,"az":38.8,"t":"2029-09-20T14:50:00Z","terrain":-0.17},{"above_terrain":true,"airmass":6.97,"alt":7.86,"az":39.5,"t":"2029-09-20T14:55:00Z","terrain":-0.11},{"above_terrain":true,"airmass":6.52,"alt":8.46,"az":40.2,"t":"2029-09-20T15:00:00Z","terrain":-0.03},{"above_terrain":true,"airmass":6.12,"alt":9.06,"az":41.0,"t":"2029-09-20T15:05:00Z","terrain":0.02},{"above_terrain":true,"airmass":5.76,"alt":9.68,"az":41.7,"t":"2029-09-20T15:10:00Z","terrain":0.09},{"above_terrain":true,"airmass":5.43,"alt":10.31,"az":42.4,"t":"2029-09-20T15:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":5.13,"alt":10.94,"az":43.1,"t":"2029-09-20T15:20:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.87,"alt":11.59,"az":43.8,"t":"2029-09-20T15:25:00Z","terrain":0.38},{"above_terrain":true,"airmass":4.62,"alt":12.24,"az":44.5,"t":"2029-09-20T15:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.4,"alt":12.9,"az":45.2,"t":"2029-09-20T15:35:00Z","terrain":0.59},{"above_terrain":true,"airmass":4.19,"alt":13.57,"az":45.8,"t":"2029-09-20T15:40:00Z","terrain":0.66},{"above_terrain":true,"airmass":4.01,"alt":14.24,"az":46.5,"t":"2029-09-20T15:45:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.83,"alt":14.92,"az":47.2,"t":"2029-09-20T15:50:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.67,"alt":15.62,"az":47.8,"t":"2029-09-20T15:55:00Z","terrain":0.54},{"above_terrain":true,"airmass":3.52,"alt":16.31,"az":48.5,"t":"2029-09-20T16:00:00Z","terrain":0.47},{"above_terrain":true,"airmass":3.38,"alt":17.02,"az":49.1,"t":"2029-09-20T16:05:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.25,"alt":17.73,"az":49.8,"t":"2029-09-20T16:10:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.13,"alt":18.45,"az":50.4,"t":"2029-09-20T16:15:00Z","terrain":0.46},{"above_terrain":true,"airmass":3.02,"alt":19.17,"az":51.1,"t":"2029-09-20T16:20:00Z","terrain":0.54},{"above_terrain":true,"airmass":2.92,"alt":19.9,"az":51.7,"t":"2029-09-20T16:25:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.82,"alt":20.64,"az":52.3,"t":"2029-09-20T16:30:00Z","terrain":0.69},{"above_terrain":true,"airmass":2.73,"alt":21.38,"az":52.9,"t":"2029-09-20T16:35:00Z","terrain":0.82},{"above_terrain":true,"airmass":2.64,"alt":22.13,"az":53.5,"t":"2029-09-20T16:40:00Z","terrain":0.93},{"above_terrain":true,"airmass":2.56,"alt":22.89,"az":54.1,"t":"2029-09-20T16:45:00Z","terrain":1.01},{"above_terrain":true,"airmass":2.48,"alt":23.65,"az":54.7,"t":"2029-09-20T16:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.41,"alt":24.42,"az":55.3,"t":"2029-09-20T16:55:00Z","terrain":1.07},{"above_terrain":true,"airmass":2.34,"alt":25.19,"az":55.9,"t":"2029-09-20T17:00:00Z","terrain":1.05},{"above_terrain":true,"airmass":2.27,"alt":25.97,"az":56.5,"t":"2029-09-20T17:05:00Z","terrain":1.06},{"above_terrain":true,"airmass":2.21,"alt":26.75,"az":57.1,"t":"2029-09-20T17:10:00Z","terrain":1.09},{"above_terrain":true,"airmass":2.16,"alt":27.54,"az":57.7,"t":"2029-09-20T17:15:00Z","terrain":1.19},{"above_terrain":true,"airmass":2.1,"alt":28.33,"az":58.2,"t":"2029-09-20T17:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":2.05,"alt":29.13,"az":58.8,"t":"2029-09-20T17:25:00Z","terrain":1.22},{"above_terrain":true,"airmass":2.0,"alt":29.93,"az":59.4,"t":"2029-09-20T17:30:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.95,"alt":30.74,"az":59.9,"t":"2029-09-20T17:35:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.91,"alt":31.55,"az":60.5,"t":"2029-09-20T17:40:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.86,"alt":32.37,"az":61.0,"t":"2029-09-20T17:45:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.82,"alt":33.19,"az":61.6,"t":"2029-09-20T17:50:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.78,"alt":34.02,"az":62.1,"t":"2029-09-20T17:55:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.75,"alt":34.84,"az":62.6,"t":"2029-09-20T18:00:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.71,"alt":35.68,"az":63.2,"t":"2029-09-20T18:05:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.68,"alt":36.52,"az":63.7,"t":"2029-09-20T18:10:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.65,"alt":37.36,"az":64.2,"t":"2029-09-20T18:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.61,"alt":38.2,"az":64.7,"t":"2029-09-20T18:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.58,"alt":39.05,"az":65.3,"t":"2029-09-20T18:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.56,"alt":39.9,"az":65.8,"t":"2029-09-20T18:30:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.53,"alt":40.76,"az":66.3,"t":"2029-09-20T18:35:00Z","terrain":0.86},{"above_terrain":true,"airmass":1.5,"alt":41.61,"az":66.8,"t":"2029-09-20T18:40:00Z","terrain":0.91},{"above_terrain":true,"airmass":1.48,"alt":42.48,"az":67.3,"t":"2029-09-20T18:45:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.46,"alt":43.34,"az":67.8,"t":"2029-09-20T18:50:00Z","terrain":0.98},{"above_terrain":true,"airmass":1.43,"alt":44.21,"az":68.3,"t":"2029-09-20T18:55:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.41,"alt":45.08,"az":68.8,"t":"2029-09-20T19:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.39,"alt":45.95,"az":69.3,"t":"2029-09-20T19:05:00Z","terrain":1.1},{"above_terrain":true,"airmass":1.37,"alt":46.83,"az":69.8,"t":"2029-09-20T19:10:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.35,"alt":47.71,"az":70.3,"t":"2029-09-20T19:15:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.33,"alt":48.59,"az":70.7,"t":"2029-09-20T19:20:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.31,"alt":49.48,"az":71.2,"t":"2029-09-20T19:25:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.3,"alt":50.37,"az":71.7,"t":"2029-09-20T19:30:00Z","terrain":1.22},{"above_terrain":true,"airmass":1.28,"alt":51.26,"az":72.2,"t":"2029-09-20T19:35:00Z","terrain":1.16},{"above_terrain":true,"airmass":1.27,"alt":52.15,"az":72.7,"t":"2029-09-20T19:40:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.25,"alt":53.04,"az":73.1,"t":"2029-09-20T19:45:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.24,"alt":53.94,"az":73.6,"t":"2029-09-20T19:50:00Z","terrain":0.83},{"above_terrain":true,"airmass":1.22,"alt":54.84,"az":74.1,"t":"2029-09-20T19:55:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.21,"alt":55.74,"az":74.5,"t":"2029-09-20T20:00:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.2,"alt":56.64,"az":75.0,"t":"2029-09-20T20:05:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.18,"alt":57.55,"az":75.5,"t":"2029-09-20T20:10:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.17,"alt":58.45,"az":75.9,"t":"2029-09-20T20:15:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.16,"alt":59.36,"az":76.4,"t":"2029-09-20T20:20:00Z","terrain":0.71},{"above_terrain":true,"airmass":1.15,"alt":60.27,"az":76.9,"t":"2029-09-20T20:25:00Z","terrain":0.7},{"above_terrain":true,"airmass":1.14,"alt":61.19,"az":77.3,"t":"2029-09-20T20:30:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.13,"alt":62.1,"az":77.8,"t":"2029-09-20T20:35:00Z","terrain":0.64},{"above_terrain":true,"airmass":1.12,"alt":63.02,"az":78.3,"t":"2029-09-20T20:40:00Z","terrain":0.61},{"above_terrain":true,"airmass":1.11,"alt":63.93,"az":78.7,"t":"2029-09-20T20:45:00Z","terrain":0.59},{"above_terrain":true,"airmass":1.1,"alt":64.85,"az":79.2,"t":"2029-09-20T20:50:00Z","terrain":0.55},{"above_terrain":true,"airmass":1.1,"alt":65.77,"az":79.6,"t":"2029-09-20T20:55:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.09,"alt":66.69,"az":80.1,"t":"2029-09-20T21:00:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.08,"alt":67.62,"az":80.5,"t":"2029-09-20T21:05:00Z","terrain":0.58},{"above_terrain":true,"airmass":1.07,"alt":68.54,"az":81.0,"t":"2029-09-20T21:10:00Z","terrain":0.68},{"above_terrain":true,"airmass":1.07,"alt":69.46,"az":81.5,"t":"2029-09-20T21:15:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.06,"alt":70.39,"az":81.9,"t":"2029-09-20T21:20:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.06,"alt":71.32,"az":82.4,"t":"2029-09-20T21:25:00Z","terrain":0.67},{"above_terrain":true,"airmass":1.05,"alt":72.25,"az":82.9,"t":"2029-09-20T21:30:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.04,"alt":73.18,"az":83.3,"t":"2029-09-20T21:35:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.04,"alt":74.11,"az":83.8,"t":"2029-09-20T21:40:00Z","terrain":0.4},{"above_terrain":true,"airmass":1.03,"alt":75.04,"az":84.3,"t":"2029-09-20T21:45:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.03,"alt":75.97,"az":84.8,"t":"2029-09-20T21:50:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.03,"alt":76.9,"az":85.3,"t":"2029-09-20T21:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.02,"alt":77.83,"az":85.8,"t":"2029-09-20T22:00:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.02,"alt":78.77,"az":86.3,"t":"2029-09-20T22:05:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.02,"alt":79.7,"az":86.9,"t":"2029-09-20T22:10:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.01,"alt":80.64,"az":87.4,"t":"2029-09-20T22:15:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.01,"alt":81.57,"az":88.0,"t":"2029-09-20T22:20:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.01,"alt":82.51,"az":88.7,"t":"2029-09-20T22:25:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.01,"alt":83.44,"az":89.4,"t":"2029-09-20T22:30:00Z","terrain":-0.21},{"above_terrain":true,"airmass":1.0,"alt":84.38,"az":90.2,"t":"2029-09-20T22:35:00Z","terrain":-0.2},{"above_terrain":true,"airmass":1.0,"alt":85.31,"az":91.1,"t":"2029-09-20T22:40:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.0,"alt":86.25,"az":92.3,"t":"2029-09-20T22:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.0,"alt":87.18,"az":94.1,"t":"2029-09-20T22:50:00Z","terrain":0.41},{"above_terrain":true,"airmass":1.0,"alt":88.12,"az":97.2,"t":"2029-09-20T22:55:00Z","terrain":0.72},{"above_terrain":true,"airmass":1.0,"alt":89.04,"az":105.4,"t":"2029-09-20T23:00:00Z","terrain":-0.36},{"above_terrain":true,"airmass":1.0,"alt":89.74,"az":182.3,"t":"2029-09-20T23:05:00Z","terrain":-0.66},{"above_terrain":true,"airmass":1.0,"alt":89.02,"az":255.0,"t":"2029-09-20T23:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.0,"alt":88.1,"az":262.9,"t":"2029-09-20T23:15:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.0,"alt":87.16,"az":266.0,"t":"2029-09-20T23:20:00Z","terrain":0.47},{"above_terrain":true,"airmass":1.0,"alt":86.23,"az":267.7,"t":"2029-09-20T23:25:00Z","terrain":0.63},{"above_terrain":true,"airmass":1.0,"alt":85.29,"az":268.9,"t":"2029-09-20T23:30:00Z","terrain":0.74},{"above_terrain":true,"airmass":1.0,"alt":84.36,"az":269.8,"t":"2029-09-20T23:35:00Z","terrain":0.88},{"above_terrain":true,"airmass":1.01,"alt":83.42,"az":270.6,"t":"2029-09-20T23:40:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.01,"alt":82.49,"az":271.3,"t":"2029-09-20T23:45:00Z","terrain":0.66},{"above_terrain":true,"airmass":1.01,"alt":81.55,"az":272.0,"t":"2029-09-20T23:50:00Z","terrain":0.43},{"above_terrain":true,"airmass":1.01,"alt":80.62,"az":272.6,"t":"2029-09-20T23:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.02,"alt":79.68,"az":273.1,"t":"2029-09-21T00:00:00Z","terrain":0.12},{"above_terrain":true,"airmass":1.02,"alt":78.75,"az":273.7,"t":"2029-09-21T00:05:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.02,"alt":77.81,"az":274.2,"t":"2029-09-21T00:10:00Z","terrain":-0.0},{"above_terrain":true,"airmass":1.03,"alt":76.88,"az":274.7,"t":"2029-09-21T00:15:00Z","terrain":0.06},{"above_terrain":true,"airmass":1.03,"alt":75.95,"az":275.2,"t":"2029-09-21T00:20:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.03,"alt":75.02,"az":275.7,"t":"2029-09-21T00:25:00Z","terrain":0.02},{"above_terrain":true,"airmass":1.04,"alt":74.08,"az":276.2,"t":"2029-09-21T00:30:00Z","terrain":-0.03},{"above_terrain":true,"airmass":1.04,"alt":73.15,"az":276.7,"t":"2029-09-21T00:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.05,"alt":72.23,"az":277.1,"t":"2029-09-21T00:40:00Z","terrain":-0.13},{"above_terrain":true,"airmass":1.06,"alt":71.3,"az":277.6,"t":"2029-09-21T00:45:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.06,"alt":70.37,"az":278.1,"t":"2029-09-21T00:50:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.07,"alt":69.44,"az":278.5,"t":"2029-09-21T00:55:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.07,"alt":68.52,"az":279.0,"t":"2029-09-21T01:00:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.08,"alt":67.6,"az":279.5,"t":"2029-09-21T01:05:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.09,"alt":66.67,"az":279.9,"t":"2029-09-21T01:10:00Z","terrain":-0.12},{"above_terrain":true,"airmass":1.1,"alt":65.75,"az":280.4,"t":"2029-09-21T01:15:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.1,"alt":64.83,"az":280.8,"t":"2029-09-21T01:20:00Z","terrain":0.0},{"above_terrain":true,"airmass":1.11,"alt":63.91,"az":281.3,"t":"2029-09-21T01:25:00Z","terrain":-0.02},{"above_terrain":true,"airmass":1.12,"alt":63.0,"az":281.8,"t":"2029-09-21T01:30:00Z","terrain":-0.09},{"above_terrain":true,"airmass":1.13,"alt":62.08,"az":282.2,"t":"2029-09-21T01:35:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.14,"alt":61.17,"az":282.7,"t":"2029-09-21T01:40:00Z","terrain":-0.05},{"above_terrain":true,"airmass":1.15,"alt":60.25,"az":283.1,"t":"2029-09-21T01:45:00Z","terrain":0.01},{"above_terrain":true,"airmass":1.16,"alt":59.34,"az":283.6,"t":"2029-09-21T01:50:00Z","terrain":0.07},{"above_terrain":true,"airmass":1.17,"alt":58.43,"az":284.1,"t":"2029-09-21T01:55:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.18,"alt":57.53,"az":284.5,"t":"2029-09-21T02:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.2,"alt":56.62,"az":285.0,"t":"2029-09-21T02:05:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.21,"alt":55.72,"az":285.5,"t":"2029-09-21T02:10:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.22,"alt":54.82,"az":285.9,"t":"2029-09-21T02:15:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.24,"alt":53.92,"az":286.4,"t":"2029-09-21T02:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.25,"alt":53.02,"az":286.9,"t":"2029-09-21T02:25:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.27,"alt":52.13,"az":287.3,"t":"2029-09-21T02:30:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.28,"alt":51.24,"az":287.8,"t":"2029-09-21T02:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.3,"alt":50.35,"az":288.3,"t":"2029-09-21T02:40:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.31,"alt":49.46,"az":288.8,"t":"2029-09-21T02:45:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.33,"alt":48.57,"az":289.3,"t":"2029-09-21T02:50:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.35,"alt":47.69,"az":289.7,"t":"2029-09-21T02:55:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.37,"alt":46.81,"az":290.2,"t":"2029-09-21T03:00:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.39,"alt":45.94,"az":290.7,"t":"2029-09-21T03:05:00Z","terrain":0.44},{"above_terrain":true,"airmass":1.41,"alt":45.06,"az":291.2,"t":"2029-09-21T03:10:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.43,"alt":44.19,"az":291.7,"t":"2029-09-21T03:15:00Z","terrain":0.53},{"above_terrain":true,"airmass":1.46,"alt":43.32,"az":292.2,"t":"2029-09-21T03:20:00Z","terrain":0.49},{"above_terrain":true,"airmass":1.48,"alt":42.46,"az":292.7,"t":"2029-09-21T03:25:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.5,"alt":41.6,"az":293.2,"t":"2029-09-21T03:30:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.53,"alt":40.74,"az":293.7,"t":"2029-09-21T03:35:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.56,"alt":39.88,"az":294.2,"t":"2029-09-21T03:40:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.59,"alt":39.03,"az":294.8,"t":"2029-09-21T03:45:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.62,"alt":38.18,"az":295.3,"t":"2029-09-21T03:50:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.65,"alt":37.34,"az":295.8,"t":"2029-09-21T03:55:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.68,"alt":36.5,"az":296.3,"t":"2029-09-21T04:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":1.71,"alt":35.66,"az":296.8,"t":"2029-09-21T04:05:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.75,"alt":34.83,"az":297.4,"t":"2029-09-21T04:10:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.78,"alt":34.0,"az":297.9,"t":"2029-09-21T04:15:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.82,"alt":33.17,"az":298.5,"t":"2029-09-21T04:20:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.86,"alt":32.35,"az":299.0,"t":"2029-09-21T04:25:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.91,"alt":31.53,"az":299.5,"t":"2029-09-21T04:30:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.95,"alt":30.72,"az":300.1,"t":"2029-09-21T04:35:00Z","terrain":0.37},{"above_terrain":true,"airmass":2.0,"alt":29.92,"az":300.7,"t":"2029-09-21T04:40:00Z","terrain":0.34},{"above_terrain":true,"airmass":2.05,"alt":29.11,"az":301.2,"t":"2029-09-21T04:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.1,"alt":28.31,"az":301.8,"t":"2029-09-21T04:50:00Z","terrain":0.13},{"above_terrain":true,"airmass":2.16,"alt":27.52,"az":302.4,"t":"2029-09-21T04:55:00Z","terrain":-0.03},{"above_terrain":true,"airmass":2.21,"alt":26.73,"az":302.9,"t":"2029-09-21T05:00:00Z","terrain":-0.21},{"above_terrain":true,"airmass":2.28,"alt":25.95,"az":303.5,"t":"2029-09-21T05:05:00Z","terrain":-0.16},{"above_terrain":true,"airmass":2.34,"alt":25.17,"az":304.1,"t":"2029-09-21T05:10:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.41,"alt":24.4,"az":304.7,"t":"2029-09-21T05:15:00Z","terrain":-0.23},{"above_terrain":true,"airmass":2.48,"alt":23.63,"az":305.3,"t":"2029-09-21T05:20:00Z","terrain":-0.26},{"above_terrain":true,"airmass":2.56,"alt":22.87,"az":305.9,"t":"2029-09-21T05:25:00Z","terrain":-0.18},{"above_terrain":true,"airmass":2.64,"alt":22.12,"az":306.5,"t":"2029-09-21T05:30:00Z","terrain":-0.0},{"above_terrain":true,"airmass":2.73,"alt":21.37,"az":307.1,"t":"2029-09-21T05:35:00Z","terrain":0.19},{"above_terrain":true,"airmass":2.82,"alt":20.62,"az":307.7,"t":"2029-09-21T05:40:00Z","terrain":0.28},{"above_terrain":true,"airmass":2.92,"alt":19.89,"az":308.3,"t":"2029-09-21T05:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":3.02,"alt":19.16,"az":309.0,"t":"2029-09-21T05:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":3.14,"alt":18.43,"az":309.6,"t":"2029-09-21T05:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.26,"alt":17.71,"az":310.2,"t":"2029-09-21T06:00:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.39,"alt":17.0,"az":310.9,"t":"2029-09-21T06:05:00Z","terrain":0.34},{"above_terrain":true,"airmass":3.52,"alt":16.3,"az":311.5,"t":"2029-09-21T06:10:00Z","terrain":0.25},{"above_terrain":true,"airmass":3.67,"alt":15.6,"az":312.2,"t":"2029-09-21T06:15:00Z","terrain":0.16},{"above_terrain":true,"airmass":3.83,"alt":14.91,"az":312.8,"t":"2029-09-21T06:20:00Z","terrain":0.25},{"above_terrain":true,"airmass":4.01,"alt":14.23,"az":313.5,"t":"2029-09-21T06:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":4.2,"alt":13.55,"az":314.2,"t":"2029-09-21T06:30:00Z","terrain":0.49},{"above_terrain":true,"airmass":4.4,"alt":12.88,"az":314.9,"t":"2029-09-21T06:35:00Z","terrain":0.55},{"above_terrain":true,"airmass":4.63,"alt":12.22,"az":315.5,"t":"2029-09-21T06:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":4.87,"alt":11.57,"az":316.2,"t":"2029-09-21T06:45:00Z","terrain":0.44},{"above_terrain":true,"airmass":5.14,"alt":10.93,"az":316.9,"t":"2029-09-21T06:50:00Z","terrain":0.31},{"above_terrain":true,"airmass":5.44,"alt":10.3,"az":317.6,"t":"2029-09-21T06:55:00Z","terrain":0.32},{"above_terrain":true,"airmass":5.76,"alt":9.67,"az":318.3,"t":"2029-09-21T07:00:00Z","terrain":0.17},{"above_terrain":true,"airmass":6.13,"alt":9.05,"az":319.1,"t":"2029-09-21T07:05:00Z","terrain":-0.14},{"above_terrain":true,"airmass":6.53,"alt":8.44,"az":319.8,"t":"2029-09-21T07:10:00Z","terrain":-0.19},{"above_terrain":true,"airmass":6.98,"alt":7.84,"az":320.5,"t":"2029-09-21T07:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":7.49,"alt":7.25,"az":321.3,"t":"2029-09-21T07:20:00Z","terrain":-0.09},{"above_terrain":true,"airmass":8.06,"alt":6.67,"az":322.0,"t":"2029-09-21T07:25:00Z","terrain":0.21},{"above_terrain":true,"airmass":8.72,"alt":6.1,"az":322.8,"t":"2029-09-21T07:30:00Z","terrain":0.11},{"above_terrain":true,"airmass":9.47,"alt":5.54,"az":323.5,"t":"2029-09-21T07:35:00Z","terrain":-0.07},{"above_terrain":true,"airmass":10.33,"alt":4.99,"az":324.3,"t":"2029-09-21T07:40:00Z","terrain":-0.2},{"above_terrain":true,"airmass":11.33,"alt":4.45,"az":325.0,"t":"2029-09-21T07:45:00Z","terrain":-0.19},{"above_terrain":true,"airmass":12.51,"alt":3.91,"az":325.8,"t":"2029-09-21T07:50:00Z","terrain":-0.23},{"above_terrain":true,"airmass":13.9,"alt":3.39,"az":326.6,"t":"2029-09-21T07:55:00Z","terrain":-0.33},{"above_terrain":true,"airmass":15.56,"alt":2.88,"az":327.4,"t":"2029-09-21T08:00:00Z","terrain":-0.33},{"above_terrain":true,"airmass":17.56,"alt":2.39,"az":328.2,"t":"2029-09-21T08:05:00Z","terrain":-0.21},{"above_terrain":true,"airmass":19.99,"alt":1.9,"az":329.0,"t":"2029-09-21T08:10:00Z","terrain":-0.13},{"above_terrain":true,"airmass":22.99,"alt":1.42,"az":329.8,"t":"2029-09-21T08:15:00Z","terrain":-0.31},{"above_terrain":true,"airmass":26.7,"alt":0.96,"az":330.6,"t":"2029-09-21T08:20:00Z","terrain":-0.37},{"above_terrain":true,"airmass":31.31,"alt":0.5,"az":331.4,"t":"2029-09-21T08:25:00Z","terrain":-0.28},{"above_terrain":true,"airmass":37.02,"alt":0.06,"az":332.3,"t":"2029-09-21T08:30:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.37,"az":333.1,"t":"2029-09-21T08:35:00Z","terrain":-0.13},{"above_terrain":false,"airmass":null,"alt":-0.78,"az":334.0,"t":"2029-09-21T08:40:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-1.19,"az":334.8,"t":"2029-09-21T08:45:00Z","terrain":-0.52},{"above_terrain":false,"airmass":null,"alt":-1.58,"az":335.7,"t":"2029-09-21T08:50:00Z","terrain":-0.75},{"above_terrain":false,"airmass":null,"alt":-1.96,"az":336.5,"t":"2029-09-21T08:55:00Z","terrain":-0.78},{"above_terrain":false,"airmass":null,"alt":-2.33,"az":337.4,"t":"2029-09-21T09:00:00Z","terrain":-0.63}],"transit":{"airmass":1.0,"alt":89.7,"az":182.3,"t":"2029-09-20T23:05:00Z"},"usable_hours":8.58,"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."]}