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Keywords: open cluster, M 46, planetary nebula
![Двойное звездное скопление в Персее](https://images.astronet.ru/pubd/2020/11/18/0001707687/DoubleCluster_Polanski_960.preview.jpg)
18.11.2020
Most star clusters are singularly impressive. Open clusters NGC 869 and NGC 884, however, could be considered doubly impressive. Also known as "h and chi Persei", this unusual double cluster, shown above, is bright enough to be seen from a dark location without even binoculars.
![Туманность Эскимос в обновленный телескоп Хаббла](https://images.astronet.ru/pubd/2006/11/10/0001217556/eskimo_hst_big.preview.jpg)
24.01.2000
In 1787, astronomer William Herschel discovered the Eskimo Nebula. From the ground, NGC 2392 resembles a person's head surrounded by a parka hood. In 2000, just after being fixed, the Hubble Space Telescope imaged the Eskimo Nebula. From space, the nebula displays gas clouds so complex they are not fully understood.
![Гантели](https://images.astronet.ru/pubd/2008/12/17/0001232434/DoubleDumbbell_Lopez_c0.preview.jpg)
17.12.2008
These two nebulae are cataloged as M27 (left) and M76, popularly known as The Dumbbell and the Little Dumbbell. Not intended to indicate substandard mental prowess, their popular names refer to their similar, dumbbell or hourglass shapes.
![M97: туманность Сова](https://images.astronet.ru/pubd/2009/05/15/0001234779/m97owl_quattrocchi_c800.preview.jpg)
15.05.2009
The Owl Nebula is perched in the sky about 2,600 light-years away toward the bottom of the Big Dipper's bowl. Also cataloged as M97, the 97th object in Messier's well-known list, its round shape along with the placement of two large, dark "eyes" do suggest the face of a staring owl.
![Планетарная туманность NGC 2438](https://images.astronet.ru/pubd/2011/04/07/0001251033/NGC2438_IAC80_DLopez900.preview.jpg)
7.04.2011
NGC 2438 is a planetary nebula, the gaseous shroud cast off by a dying sunlike star billions of years old whose central reservoir of hydrogen fuel has been exhausted. About 3,000 light-years distant it lies within the boundaries of the nautical constellation Puppis.
![Туманность Пузырь и M52](https://images.astronet.ru/pubd/2011/09/14/0001253702/bubbleM52_fenyes900.preview.jpg)
14.09.2011
To the eye, this cosmic composition nicely balances the Bubble Nebula at the lower right with open star cluster M52. The pair would be lopsided on other scales, though. Embedded in a complex...
![M6: скопление Бабочка](https://images.astronet.ru/pubd/2011/09/06/0001253584/m6_eguivar_900.preview.jpg)
6.09.2011
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.
![M27: не комета](https://images.astronet.ru/pubd/2011/09/01/0001253522/M27NarrowBroad_pugh900.preview.jpg)
1.09.2011
While hunting for comets in the skies above 18th century France, astronomer Charles Messier diligently kept a list of the things he encountered that were definitely not comets. This is number 27 on his now famous not-a-comet list.
![Три скопления в Корме](https://images.astronet.ru/pubd/2022/02/18/0001813459/ThreeClustersPuppis1024.preview.jpg)
18.02.2022
Galactic or open star clusters are young. The swarms of stars are born together near the plane of the Milky Way, but their numbers steadily dwindle as cluster members are ejected by galactic tides and gravitational interactions.
![Кольцевая туманность М57](https://images.astronet.ru/pubd/2001/03/15/0001166670/m57ring_hst_big.preview.jpg)
16.07.2000
Except for the rings of Saturn, The Ring Nebula (M57) is probably the most famous celestial band. This planetary nebula's simple, graceful appearance is thought to be due to perspective -- our view from planet Earth looking straight into what is actually a barrel-shaped cloud of gas shrugged off by a dying central star.
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