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St / Stock — Jürgen Stock (open star clusters) (Stock 1 and 2 in, [38] Stock 3 to 23 in, [39] Stock 24 in [40]) Stone — Ormond Stone (double stars) Streicher — (telescopic asterisms) Stromlo — (for example: Stromlo 2 in Monoceros and Canis Major, at IC 2177; the 'Eagle Nebula') StWr — Stock-Wroblewski (planetary nebulae) Sw — Swift ...
The regions with higher density of stars are shown; these correspond with known star clusters (Hyades and Coma Berenices) and moving groups. This is a list of nearby stellar associations and moving groups. A stellar association is a very loose star cluster, looser than an open cluster. A moving group is the remnant of such a stellar association ...
Messier 2 or M2 (also designated NGC 7089) is a globular cluster in the constellation Aquarius, five degrees north of the star Beta Aquarii. It was discovered by Jean-Dominique Maraldi in 1746, and is one of the largest known globular clusters.
Scutum Star Cloud with open cluster Messier 11 at lower left. Technically not star clusters, star clouds are large groups of many stars within a galaxy, spread over very many light-years of space. Often they contain star clusters within them. The stars appear closely packed, but are not usually part of any structure. [17]
NGC 7510 is an open cluster of stars located around 11,400 [2] light years away in the constellation Cepheus, near the border with Cassiopeia. [3] At this distance, the light from the cluster has undergone extinction from interstellar gas and dust equal to E(B – V) = 0.90 ± 0.02 magnitude in the UBV photometric system. [2]
NGC 7789 (also known as Caroline's Rose, [4] Caroline's Haystack, [5] or the White Rose Cluster) is an open cluster in Cassiopeia that was discovered by Caroline Herschel in 1783. Her brother William Herschel included it in his catalog as H VI.30. This cluster is also known as the "White Rose" Cluster or "Caroline's Rose" Cluster because when ...
Stephenson 2 DFK 49 or St2-11 is a putative post red supergiant [3] star in the constellation Scutum, in the massive open cluster Stephenson 2.It is possibly one of the largest known stars with a radius estimated to be between 1,074 solar radii (747,000,000 kilometres; 4.99 astronomical units) [2] to 1,300 solar radii (900,000,000 kilometres; 6.0 astronomical units), [3].
One of the most studied stars is S2, a relatively bright star that also passes close by Sgr A*. As of 2020 [update] , S4714 is the current record holder of closest approach to Sagittarius A*, at about 12.6 astronomical units (1.88 × 10 9 km), almost as close as Saturn gets to the Sun, traveling at about 8% of the speed of light.