The “Black Eye” galaxy, also known as M64 and more officially as NGC 4826, stands out because of a dark band of dusty debris that spreads out across one side of a brilliant nucleus. The gas in the non-stellar outer reaches rotates in the opposite direction from gas in the inner regions, possibly suggesting a merger with a gas-rich galaxy in the distant past. New stars are forming where the counter-rotating gas collides. Discovered by English astronomer Edward Pigott in 1779, NGC 4826 is located some 17 million light years from Earth in the constellation Coma Berenices and is a familiar target for amateur astronomers. This spectacular view was captured by the Hubble Space Telescope.
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Dwarf galaxy found in deadly gravitational embrace of Sculptor spiral
A dwarf galaxy discovered close to the famous Sculptor Galaxy (NGC 253) by Australian astrophotographer Michael Sidonio has been studied in detail by the 8-metre Subaru Telescope in Hawaii. This fruitful collaboration between amateur and professional astronomers has revealed that the dwarf galaxy, now known as NGC 253-dw2, is being disrupted by the nearby giant spiral.
Smoke ring for a halo
Two stars shine through the centre of a ring of cascading dust in this image taken by the NASA/ESA Hubble Space Telescope. The star system is named DI Chamaeleontis, or DI Cha, in the far southern constellation of the Chameleon. While only two stars are apparent, it is actually a quadruple system containing two sets of binary stars.
The subtle celestial swarm of NGC 4789A
This NASA/ESA Hubble Space Telescope image shows NGC 4789A, a dwarf irregular galaxy in the constellation of Coma Berenices. It certainly lives up to its name — the stars that call this galaxy home are smeared out across the sky in an apparently disorderly and irregular jumble, giving NGC 4789A a far more subtle and abstract appearance than its glitzy spiral and elliptical cousins.