Messier 108 (also known as NGC 3556, nicknamed the Surfboard Galaxy [6]) is a barred spiral galaxy about 46 million light-years away from Earth [3] [7] in the northern constellation Ursa Major. It was discovered by Pierre Méchain in 1781 or 1782. [8] From the Earth, this galaxy is seen almost edge-on.

Messier 108, also known as M108 or NGC 3556, is an isolated barred spiral galaxy situated in the constellation Ursa Major, "The Great Bear". This deep-sky object was discovered by Pierre Mechain in 1781, and later catalogued by Charles Messier, though it wasn't officially included in the Messier catalogue until 1953 by the astronomer Owen ...

2015年9月26日 · Messier 108 (M108), nicknamed the Surfboard Galaxy, is a barred spiral galaxy located in the constellation Ursa Major. The galaxy lies at an approximate distance of 45.9 million light years from Earth and has an apparent magnitude of 10.7. It has the designation NGC 3556 in the New General Catalogue.

ngc 3556是位于大熊座的一个星系。它的赤经为 11 11.5，赤纬为 55° 40′，大小 8.3′。

Messier 108 or M108 (also designated NGC 3556) is a spiral galaxy in the constellation Ursa Major. It has an apparent visual magnitude of 10 and its angular diameter is 8x1 arc-minutes. M108 lies at an estimated distance of 45 million light years.

2021年3月7日 · Messier 108, also known as NGC 3556 and the "Surfboard Galaxy", is a barred spiral galaxy located in the constellation of Ursa Major and is 45.9 Million Light years away. M108 is about 110,00 light-years across and presents at an angle of 75 degrees from our line of sight.

2024年3月16日 · Messier 108, also known as NGC 3556, is a galaxy located in the constellation Ursa Major and can be observed on spring nights in the northern hemisphere. Discovered by the French astronomer Pierre Méchain on February 18, 1781, this surfboard-looking galactic structure is around 45 million light-years away from Earth!

2020年6月30日 · m108, ngc 3556 M108 is a type Sc spiral galaxy in the constellation Ursa Major. Almost edge-on, it shows little or no bulge and no noticeably strong center, being a motley collection of features often referred to, in classic understatement, as very dusty.

2002年2月28日 · NGC 3556 (a.k.a. M-108) is a spiral galaxy of complex shape in the constellation of Ursa Major. Pierre Mechain discovered this galaxy in 1781 or 1782. Messier's unpublished notes show that he knew of Mechain's discovery, and it is therefore often added to modern listings of the Messier catalog.

2025年2月24日 · Messier 109 (NGC 3992) is a fine face-on barred spiral galaxy which imagers will find irresistible. Image: Ron Brecher. Messier 108 (NGC 3556) and 109 (NGC 3992) understandably take a back seat to the majesty of Messier 101, the Pinwheel Galaxy, and the peerless pairing of Messier 81 and 82, but this morphologically contrasting pair of spiral ...