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Originally Posted by SingleMalt
I threw my glatter laser in just as a cross check. In the tublug, the primary appeared to be perfectly aligned, but when I checked the alignment of the secondary by observing where the red dot fell, it was maybe half a cm from the center of the mark.
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Check my diagrams on post #7 of this thread. That is expected. The laser should not hit the geometric center of the secondary mirror.
Quote:
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although a few stars had a "cross" of light coming from them
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Are you sure you are not referring to the diffraction spikes? If your scope have spider vanes then bright stars will show "X" or "+" spikes coming out of the star. That is normal.
Jason