Most viewed - Event Horizon

Most viewed

M20 - The Trifid Nebula13 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.

Messier 101 - The Pinwheel Galaxy13 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.

Pre-Totality 713 viewsAnd deepen on Palmyra’s street
The wheel rut in the ruined stone
And Lebanon fade out and Crete
High through the clouds and overblown

NGC 2359 - Thor's Helmet13 viewsAn emission nebula in the constellation Canis Major; about 12,000 light-years away. Consists largely of interstellar gas swept up by the central star, and partly of material from the star itself, which is an extremely hot, massive Wolf-Rayet star in a short-lived pre-supernova stage.

NGC 1499 - The California Nebula12 viewsAn emission nebula in the constellation Perseus, so called because it resembles the State of California in shape (though not in this image). About 1000 light-years from Earth.

Messier 63 - The Sunflower Galaxy12 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.

IC 1805 - The Heart Nebula in Cassiopeia12 viewsIC 1805, the Heart Nebula, lies 7,500 light-years away from Earth in the Perseus arm of the Milky Way. It is an emission nebula, drawing its radiance from Melotte 15, the cluster of bright stars in the center of this image.

First Contact plus 6 minutes12 viewsThe lightweight mount I was using made the scope sensitive to vibration - hence the shaky picture.

Pre-Totality 812 viewsAnd over Sicily the air
Still flashing with the landward gulls
And loom and slowly disappear
The sails above the shadowy hulls

Medusa Nebula (Sharpless 2-274)12 viewsPlanetary Nebula in Gemini. Discovered in 1955, first thought to be a supernova remnant, but Soviet astronomers in 1971 determined it to be a planetary nebula.

Messier 16 - The Eagle Nebula11 viewsAn open cluster of stars as well as a diffuse emission nebula. Source of the famous "Pillars of Creation" image produced by the Hubble Space Telescope. About 7000 light-years distant.

Messier 81 and 8211 viewsThese two galaxies are found in the constellation Ursa Major and are about 12 million light-years away. The larger one, M81, is also known as Bode's Nebula; the smaller is known as the Cigar Galaxy, although it's a funny kind of cigar because it looks like it's lit in the center rather than at one end. Maybe it's an exploding cigar. Yes - that's it! It's a starburst galaxy, with an abnormally high rate of star formation in the center!

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Event Horizon - Astronomical and Terrestrial Images