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M13 (Hercules cluster) 5-6-2010
 
M13 (Hercules cluster) 5-6-2010 - John Crilly (jrcrilly)  

From album Deep Sky Observations


Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster) is a globular cluster in the constellation of Hercules.
M13 is about 145 light-years in diameter, and it is composed of several hundred thousand stars, the brightest of which is the variable star V11 with an apparent magnitude of 11.95. M13 is 25,100 light-years away from Earth.


Upload Date:05/11/2010
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Hamburger galaxy (NGC3628) 5-4-2010
 
Hamburger galaxy (NGC3628) 5-4-2010 - John Crilly (jrcrilly)  

From album Deep Sky Observations


NGC 3628 is an unbarred spiral galaxy about 35 million light-years away in the constellation Leo. It was discovered by William Herschel in 1784. It has an approximately 300,000 light-years long tidal tail. NGC 3628 along with M65 and M66 form the famous Leo Triplet, a small group of galaxies. Its most conspicuous feature is the broad and obscuring band of dust located along the outer edge of its spiral arms, effectively transecting the galaxy to our view.

Upload Date:05/11/2010
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Whale galaxy | NGC 4631
4-30-2010
 
Whale galaxy | NGC 4631 4-30-2010 - John Crilly (jrcrilly)  

From album Deep Sky Observations


NGC 4631 is an edge-on spiral galaxy in the constellation Canes Venatici. This galaxy's slightly distorted wedge shape gives it the appearance of a herring or whale, which is why it is infrequently referred to as the Whale Galaxy. Because this nearby galaxy is seen edge-on from Earth, professional astronomers observe this galaxy to better understand the gas and stars located outside the plane of the galaxy

Upload Date:05/11/2010
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20090627 h-alpha
 
20090627 h-alpha - Erika Rix (Erix)  

From album Solar 2009


Upload Date:06/27/2009
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20090623 h-alpha/white light comparison
 
20090623 h-alpha/white light comparison - Erika Rix (Erix)  

From album Solar 2009


Upload Date:06/23/2009

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