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Keywords: open cluster, M 67
![M7: рассеянное скопление в Скорпионе](https://images.astronet.ru/pubd/2012/09/12/0001269964/m7_willasch_960.preview.jpg)
12.09.2012
M7 is one of the most prominent open clusters of stars on the sky. The cluster, dominated by bright blue stars, can be seen with the naked eye in a dark sky in the tail of the constellation of the Scorpion (Scorpius).
![Рассеянное скопление NGC 290: звёздная шкатулка драгоценностей](https://images.astronet.ru/pubd/2014/06/08/0001314297/ngc290_hubble_960.preview.jpg)
8.06.2014
Jewels don't shine this bright -- only stars do. Like gems in a jewel box, though, the stars of open cluster NGC 290 glitter in a beautiful display of brightness and color. The photogenic cluster, pictured above, was captured recently by the orbiting Hubble Space Telescope.
![Двойное скопление в Персее](https://images.astronet.ru/pubd/2014/01/23/0001298988/hchi_FNeyer_large0.preview.jpg)
23.01.2014
This lovely starfield spans some seven full moons (about 3.5 degrees) across the heroic northern constellation of Perseus. Just right of center it holds the famous pair of open or galactic star clusters, h and Chi Perseii.
![M7: рассеянное звездное скопление в Скорпионе](https://images.astronet.ru/pubd/2014/01/07/0001298280/m7_fenyes_960.preview.jpg)
7.01.2014
M7 is one of the most prominent open clusters of stars on the sky. The cluster, dominated by bright blue stars, can be seen with the naked eye in a dark sky in the tail of the constellation of the Scorpion (Scorpius).
![В сердце туманности Розетка](https://images.astronet.ru/pubd/2014/03/11/0001303636/rosette_goldman_960.preview.jpg)
11.03.2014
In the heart of the Rosette Nebula lies a bright open cluster of stars that lights up the nebula. The stars of NGC 2244 formed from the surrounding gas only a few million years ago.
![IC 1805: туманность Сердце](https://images.astronet.ru/pubd/2011/10/26/0001254356/heart_verloop_900.preview.jpg)
25.10.2011
What powers the Heart Nebula? The large emission nebula dubbed IC 1805 looks, in whole, like a human heart. The nebula glows brightly in red light emitted by its most prominent element: hydrogen. The red glow and the larger shape are all created by a small group of stars near the nebula's center.
![M6: скопление Бабочка](https://images.astronet.ru/pubd/2004/08/16/0001199265/m6_noao_big.preview.jpg)
6.01.1999
To some, the outline of the open cluster of stars M6 resembles a butterfly. M6, also known as NGC 6405, spans about 20 light-years and lies about 2,000 light years distant.
![Паук и Муха](https://images.astronet.ru/pubd/2010/01/13/0001237900/IC417tsounis900.preview.jpg)
13.01.2010
Bright clusters and nebulae abound in the ancient northern constellation of Auriga. The region includes the open star cluster M38, emission nebula IC 410 with Tadpoles, Auriga's own Flaming Star Nebula IC 405, and this interesting pair IC 417 (lower left) and NGC 1931.
![Томбо 4](https://images.astronet.ru/pubd/2006/10/22/0001217052/tombaugh4_rowe_c50.preview.jpg)
21.10.2006
Clyde Tombaugh discovered planet Pluto in 1930 while surveying the skies with the 13-inch Lawrence Lowell Telescope. But the skilled and careful astronomer also went on to discover star clusters, comets, asteroids, and clusters of galaxies. For example, pictured is galactic or open star cluster Tombaugh 4 in the northern constellation Cassiopeia.
![NGC 4755: Звездная шкатулка драгоценностей](https://images.astronet.ru/pubd/2001/06/18/0001169029/jewelbox_bessell.preview.jpg)
18.06.2001
The great variety of star colors in this open cluster underlie its name: The Jewel Box. One of the bright central stars is a red supergiant, in contrast to the many blue stars that surround it. The cluster, also known as Kappa Crucis contains just over 100 stars, and is about 10 million years old.
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