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This object lies
very low in the southern sky here in Payson. Seeing was good,
but as is any objects imaged this low, is very challenging to
find gaps in the trees to shoot. Here, a full 16 minutes integration
time was obtained between the limbs of local pine trees.
Color balace of this
object at that low elevation is difficult, in that you must restore
the blue channel to full range because of the yellow dust near
the horizon.
This is of course
the largest and brightest globular cluster in the sky, with a
stellar population indicating that it is most likely the core
of a small galaxy that was absorbed into the Milky Way during
a collision event deep in the past.
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