Messier 83 or M83, also known as the Southern Pinwheel Galaxy and NGC 5236, is a barred spiral galaxy [7] approximately 15 million light-years away in the constellation borders of Hydra and Centaurus.

M83 或 梅西耶83，也稱為 南風車星系 或 NGC 5236，是位於 長蛇座，靠近 半人馬座 邊界的一個 棒旋星系 [7]，距離太陽系大約1,500萬 光年。 尼可拉·路易·拉卡伊 於1752年2月23日在非洲的 好望角 發現了M83 [8]。 梅西耶 將它加入於1781年3月出版的 梅西耶天體 的第83個天體 [8]。 它是使用 雙筒望遠鏡 可見，天空中最亮和最近的棒旋星系之一 [9]。 其南風車星系的暱稱源於它與北天 大熊座 風車星系（M101）的相似性。

Messier 83 is a Spiral Galaxy located in the constellation of Hydra in the equatorial region. Messier 83's distance from Earth is 14,700,000.00 light years. Messier 83 is also known as M83 or Messier 83 when Charles Messier catalogued it in 18th - 19th Century France. Messier 83 is called NGC 5236 in the New General Catalogue (NGC).

Messier 83 (NGC 5236), also known as the Southern Pinwheel Galaxy, is a barred spiral galaxy located in the constellation Hydra in the Centaurus A Group of galaxies. M83 is 14700000 light years away from Earth. M83 is best viewed during mid-summer, is magnitude 7.5, and can be viewed with binoculars.

M83是位于 长蛇座 的棒旋宏相 漩涡星系。 M83 （NGC5236）星系距离地球1500万光年，是一座棒旋星系，两条不规则的旋臂从一个棒状核心展开，旋臂上有蓝色星团形成，不同演化阶段的恒星比比皆是，它们强大的辐射将那里的尘埃挤压成条状。 旋臂上的极热星团使附近的尘埃升温，呈现出红色。 星系两条旋臂之间的恒星又小又暗又稀疏，被星团的辐射弄得杂乱无章。 M83星系中心引力很大，大量的尘埃气体云正在收缩，中心有个大质量黑洞。 M83星系100年内有6次超新 …

2014年8月23日 · The beautiful spiral galaxy Messier 83 [4] is located in the southern constellation Hydra (the Water Snake) and is also known as NGC 5236 and as the Southern Pinwheel galaxy. Its distance is about 15 million light-years.

This is Messier 83, located in the southern constellation Hydra (the Water Snake). It’s also known as NGC 5236 and as the Southern Pinwheel galaxy. It’s well-defined arms are typical of a spiral galaxy, much like our Milky Way. They have abundant young stars and are known to be a site of vigorous star formation.

2015年8月8日 · The beautiful spiral galaxy Messier 83 is located in the southern constellation Hydra (the Water Snake) and is also known as NGC 5236 and as the Southern Pinwheel galaxy. Its distance is about 15 million light-years. Being about twice as small as the Milky Way, its size on the sky is 11×10 arcmin.

Messier 83 or M83, also known as the Southern Pinwheel Galaxy and NGC 5236, is a barred spiral galaxy approximately 15 million light-years away in the constellation Hydra. Charles Messier added it to his catalogue of nebulous objects (now known as …

Messier 83 or M83 (also designated NGC 5236) is a spiral galaxy in the constellation Hydra. It has an apparent visual magnitude of 7.6 and its angular diameter is 11x10 arc-minutes. M83 lies at an estimated distance of 15 million light years. The Equinox 2000 coordinates are RA= 13h 37m, Dec= -29° 52´ which makes M83 best seen during the spring.