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Old 22-01-2017, 11:15 AM
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Allan_L (Allan)
Member > 10year club

Allan_L is offline
 
Join Date: Mar 2008
Location: Central Coast NSW
Posts: 3,336
Quote:
Originally Posted by Dum777 View Post
Hi Guys my daughter bought a second hand newtonion 150 and for the life of me i carnt align secondary mirror to see the 3 clips of primary mirror .
Been trying for 3 days and don't want her to lose interest , any help or tricks ill
appreciate
Thanks Ian
More important than seeing the three clips, is actually aligning the mirrors.
The secondary may be too high in the tube.
I had trouble collimating until I was referred to astro babys guide to collimation. HERE
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