The Whirlpool Galaxy, also known as Messier 51a, M51a, and NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. Its distance is 31 million light-years away from Earth.. The galaxy and its companion, NGC 5195, are easily observed by …

Die Jagdhunde (lateinisch / fachsprachlich Canes Venatici, abgekürzt CVn) sind ein kleines Sternbild des Nordhimmels, etwas südlich des Großen Wagens Beschreibung. Das Sternbild Jagdhunde, wie es mit bloßem Auge gesehen werden kann. Die Jagdhunde sind ein wenig auffälliges Sternbild ...

Ton 618 is a hyperluminous, broad-absorption-line, radio-loud quasar and Lyman-alpha blob located near the border of the constellations Canes Venatici and Coma Berenices, with the projected comoving distance of approximately 18.2 billion light-years from Earth. It possesses one of the most massive black holes ever found, with a mass of 66 billion M ☉.

星座現時共有88個，皆由國際天文聯合會所定義，名字多數來源於希臘神話中的人物和動物。 古代的蘇美人和希臘人（由托勒密記錄）建立了北方大部分的星座。 當時歐洲的探險家往南進發時，能夠看見一些以前看不到的星空，所以歐美天文學家加入新星座以填滿南面的天空。