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A quick M15


beamer3.6m

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Here is my quick M15 taken this evening.

5 x 180 sec subs

2 x darks

20 bias

I just need to improve my processing skills.

M15 is about 33,600 light-years from Earth, and 175 light years in diameter. It has an absolute magnitude of -9.2, which translates to a total luminosity of 360,000 times that of the Sun. Messier 15 is one of the most densely packed globulars known in the Milky Way galaxy. Its core has undergone a contraction known as 'core collapse' and it has a central density cusp with an enormous number of stars surrounding what may be a central black hole.[10]

Home to over 100,000 stars, the cluster is notable for containing a large number of variable stars (112) and pulsars(8), including one double neutron star system, M15 C. M15 also contains Pease 1, the first planetary nebula discovered within a globular cluster in 1928. Just three others have been found in globular clusters since then

M15 CS2

M15 CS2crop

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