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Old 23-02-2018, 01:17 PM
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bojan
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Join Date: Jul 2006
Location: Mt Waverley, VIC
Posts: 6,943
Nothing much is wrong here...
Faint(er) stars are round (which is good), the brighter ones have some strange diffraction spikes, maybe the aperture is not clean .. perhaps the edges of the mirror are damaged ?
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