Nebulae - Event Horizon

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Most viewed - Nebulae

Sharpless 2-171, The Teddy Bear Nebula in Cepheus795 viewsAn emission nebula, part of a larger nebula designated NGC 7822, about 2900 light years away.

IC1396A - Elephant Trunk Nebula 790 viewsA narrowband (Hubble Palette) image of a dense cloud of gas and dust within a much larger region of ionized gas designated IC1396, illuminated and ionized by the massive bright star HD206267 at the upper right corner of the frame. I don't find that the shape of the nebula resembles an elephant's trunk, but rather, as Michelle Evans has suggested, a dragon named Verminthrax Pejorative from the movie Dragonslayer.

NGC 7822 - Star-forming region in Cepheus755 viewsIncludes the emission nebula Sharpless 171 and the star cluster Berkeley 59. Around 3000 light-years from Earth.

Sharpless 2-155 - The Cave Nebula742 viewsA narrowband (Hubble Palette) view of an emission nebula in Cepheus; part of an ionized HII region within a larger complex containing emission, reflection and dark nebulae. About 2400 light-years away, on the edge of the Cepheus molecular cloud.

M20 - The Trifid Nebula735 viewsA combination of an open cluster of stars, an emission nebula (the lower, red portion), a reflection nebula (the upper, blue portion) and a dark nebula (which accounts for the gaps dividing the nebula into lobes). About 5000 light-years away in the constellation Sagittarius.

NGC6992 - The Eastern Veil Nebula734 viewsPart of the Cygnus Loop, a supernova remnant in Cygnus. Also known as the Network Nebula.

NGC6302 - The Bug Nebula729 viewsA bipolar planetary nebula in the constellation Scorpius. Also known as the Butterfly Nebula, but a larger telescope than the 5" refractor used to capture this image is needed to show the pattern clearly; it shows up well in Hubble images. In this image, the nebula looks more like a bug squashed on a car windshield.

IC417 and NGC1931 - The Spider and the Fly711 viewsEmission nebula in Auriga, 100 light-years across and 10,000 light-years from Earth. The Fly (NGC1931) is about 7,000 light-years away.

IC4592, the Blue Horsehead Nebula710 viewsReflection Nebula in Scorpius, lit up by Nu Scorpii. About 400 light-years away.

IC4603 - Core of the Rho Ophiuchi Complex708 viewsThis blue reflection nebula glows by the light of the 7.9 magnitude star SAO184376 in the center.

M1 - The Crab Nebula, narrowband version708 viewsA Hubble palette rendition of the remnant of the supernova seen by Chinese astronomers in 1054 CE.

NGC 7009 - The Saturn Nebula707 viewsA planetary nebula in the constellation Aquarius, at a distance of about 5000 light-years, with a superficial resemblance to the planet Saturn. This image does not do it justice, because a much larger telescope is required to resolve the complex internal structure of the nebula.

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