angle hoek 角度 declination declinatie The angular distance on the celestial sphere north or south of the celestial equator. It is measured along the hour circle passing through the celestial object. Declination is usually given in combination with right ascension or hour angle. δ dec degree graad 度 minute (angle) minuut (hoek) 分钟（角） second (angle) seconde (hoek) 秒（角度）