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Keyword: narrow band filter
![Остаток сверхновой Симеиз 147](https://images.astronet.ru/pubd/2009/02/01/0001233088/s147metsavainioNBMedium_c800.preview.jpg)
31.01.2009
It's easy to get lost following the intricate filaments in this detailed image of faint supernova remnant Simeis 147. Also cataloged as Sh2-240 and seen towards the constellation Taurus, it covers nearly 3 degrees (6 full moons) on the sky.
![Голубая лагуна](https://images.astronet.ru/pubd/2006/08/25/0001215423/lagoon_croman_nostars.preview.jpg)
25.08.2006
Stars come and go as you slide your cursor over this engaging image of M8, aka the Lagoon Nebula. Of course, the nebula is itself a star-forming region, but the stars that appear and disappear here include background and foreground stars that by chance lie along the same line of sight.
![Туманность Ожерелье](https://images.astronet.ru/pubd/2010/11/03/0001247963/necklace_corradi900c.preview.jpg)
3.11.2010
The small constellation Sagitta sports this large piece of cosmic jewelry, dubbed the Necklace Nebula. The newly discovered example of a ring-shaped planetary nebula is about 15,000 light-years distant. Its bright ring with pearls of glowing gas is half a light-year across.
![В центре IC 1805](https://images.astronet.ru/pubd/2008/07/27/0001228921/IC1805_kbqVersion4_c800.preview.jpg)
26.07.2008
Cosmic clouds seem to form fantastic shapes in the central regions of emission nebula IC 1805. Of course, the clouds are sculpted by stellar winds and radiation from massive hot stars in the nebula's newborn star cluster (aka Melotte 15).
![Сверху и снизу M76](https://images.astronet.ru/pubd/2008/11/21/0001231956/M76NB_goldmanRGB_Crop800.preview.jpg)
21.11.2008
Also known by the popular name the "Little Dumbbell Nebula", M76 is one of the fainter objects listed in Charles Messier's 18th century Catalog of Nebulae and Star Clusters. Like its better-known namesake M27 (the Dumbbell Nebula), M76 is recognized as a planetary nebula - a gaseous shroud cast off by a dying sunlike star.
![IC 410 и NGC 1893](https://images.astronet.ru/pubd/2009/01/19/0001232894/IC410_bassoe_c800.preview.jpg)
17.01.2009
Dusty emission nebula IC 410 lies about 12,000 light-years away in the northern constellation Auriga. The cloud of glowing gas is over 100 light-years across, sculpted by stellar winds and radiation from embedded open star cluster NGC 1893.
![Орион в разных цветах](https://images.astronet.ru/pubd/2004/03/25/0001197260/m42mapped_croman_c1.preview.jpg)
25.03.2004
Look up into the sky tonight, and even with a good telescope you won't come across a sight quite like this one. It is a familiar object though, the grand stellar nursery known as the Orion Nebula.
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