Event Horizon - Astronomical and Terrestrial Images

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NGC 7635 - The Bubble Nebula257 viewsEmission nebula in the constellation Cassiopeia. The bubble is created by the stellar wind from a hot, young star. Jun 21, 2019
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M5 - Globular cluster in Serpens179 viewsA globular cluster - one of the largest known, with a radius of 200 light-years - in the constellation Serpens. Distance from Earth is about 24,500 light-years.Jun 20, 2019
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NGC 6946 - Fireworks Galaxy and Friends212 viewsAn alternate view of the Fireworks Galaxy featuring a neighbor, the open star cluster NGC 6939, near the lower edge of the image.Jun 20, 2019
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NGC 6946 - The Fireworks Galaxy236 viewsA face-on spiral galaxy in the constellation Cepheus, near its border with Cygnus, about 1/3 to 1/2 as big as the Milky Way, but with a high rate of star formation, making it a spectacular starburst galaxy. About 25 million light-years from Earth and 40,000 light-years in diameter.Jun 20, 2019
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NGC 457 - The Owl Cluster246 viewsAn open star cluster in the constellation Cassiopeia, about 7,900 light-years distance from our Solar System. The "eyes" are the magnitude 5 star Phi-1 Cassiopeiae and magnitude 7 Phi-2 Cassiopeiae.Jun 20, 2019
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M45 - The Pleiades210 viewsA star cluster consisting of young, hot blue stars, about 130 light-years from Earth in the constellation Taurus. Only part of the cluster is shown here because it is too large to fit in the scope's field of view.Jun 19, 2019
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Messier 13 - Hercules Globular Cluster203 views145 light-years in diameter, consisting of several hundred thousand stars, this is the most famous globular cluster in the Northern Hemisphere and is about 22,000 miles from Earth.Jun 19, 2019
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Messier 106 and companions246 viewsThe large spiral galaxy at left is M106, lying at a distance of 22 to 25 million light-years from Earth in the constellation Canes Venatici. A myriad of other galaxies are in the frame, of which the two most prominent are NGC 4248 (closest to M106) and NGC 4217 (disk at right).Jun 19, 2019
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Messier 104 - The Sombrero Galaxy294 views28 million light-years away in the constellation Virgo, the Sombrero is one of the most spectacular of all galaxies.Jun 19, 2019
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Messier 101 - The Pinwheel Galaxy239 viewsFace-on spiral galaxy in the constellation Ursa Major. A colossus among galaxies, 170,000 light-years across (Milky Way is 105,700), with a trillion stars. Distance - approx. 25 million light-years from Earth.Jun 19, 2019
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Messier 100 and companions209 viewsSpiral Galaxy in the constellation Coma Berenices. Surrounded by tiny satellite galaxies NGC 4323 and NGC 4328 (about 3 o'clock and 5:30). Larger spiral galaxy at top is NGC 4312.Jun 19, 2019
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Messier 63 - The Sunflower Galaxy178 viewsAt a distance of 37 million light-years in the constellation Canes Venatici, M63 is known as the Sunflower Galaxy because of its bright yellow core (not so obvious in this image). At 98,000 light-years diameter, in is similar in size to the Milky Way.Jun 19, 2019
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