Nebulae - Event Horizon

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Most viewed - Nebulae

NGC7635 - The Bubble Nebula - H-alpha enhanced version556 viewsAn emission nebula in the constellation Cassiopeia. The "bubble" is created by the stellar wind from a hot, massive star within a molecular cloud which contains the expansion of the bubble, preventing it from dissipating, and is also itself excited by the star. The nebula is 7 light years across and 7100 light-years away.

NGC6543, the Cat's Eye Nebula556 viewsPlanetary nebula in the northern constellation Draco. Distance from Earth about 3300 light-years.

M1 - The Crab Nebula, narrowband version555 viewsA Hubble palette rendition of the remnant of the supernova seen by Chinese astronomers in 1054 CE.

The Heart Nebula554 viewsEmission nebula in Cassiopeia, 7500 light-years away from Earth. The Fish-head Nebula is also seen as a cancerous outgrowth from the Heart Nebula at lower left.

IC443 - Jellyfish Nebula553 viewsA galactic supernova remnant in Gemini, about 6000 light-years away.

NGC281 - The Pac-Man Nebula553 viewsA bright emission nebula, part of an H II region in the constellation Cassiopeia; known as the Pac-Man Nebula because of its resemblance to the video game character that flits around ruthlessly and insatiably chomping up defenseless, pathetic little dots.

NGC281 - PacMan Nebula, narrowband version550 viewsA narrowband version of the PacMan, obtained with a one-shot color CMOS camera and an IDAS NBZ nebula enhancement filter, with H-alpha mapped to red and O-III to blue.

Sharpless2-112550 viewsEmission nebula in Cygnus, energized by the star BD +45 3216 embedded within it.

M78 - Reflection Nebula in Orion548 viewsM78 - Reflection Nebula in the Orion B molecular cloud complex, 1,350 light-years from Earth.

NGC7380 - The Wizard Nebula548 viewsOpen cluster with surrounding nebulosity in Cepheus, about 8500 light-years away.

M97 - The Owl Nebula547 viewsPlanetary nebula in the constellation Ursa Major, 2030 light-years distance from Earth and about 8000 years old. The blurred appearance results from the fact that it consists of several overlapping shells of gas. The shells are not entirely concentric, but form a barrel-like structure which gives rise to the owl-like appearance.

NGC2264 - Christmas Tree Cluster/Cone Nebula547 viewsBoth a cluster and a nebula, NGC2264 is located in the constellation Monoceros, 2,300 light-years from Earth.

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Event Horizon - Astronomical and Terrestrial Images