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DuncanMask Layout CPC 1100
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Masks - Duncan and Bahtinov

SCT collimation using masks, both Duncan and Bahtinov.



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DuncanMask Layout CPC 1100
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DuncanMask Layout CPC 1100


Polaris TriBMask
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Polaris TriBMask

C11, Collimation on 7/31/2021 using Tri-B mask on Polaris

TriBMask CPC1100s
  • 283
  • 0

TriBMask CPC1100s

Tri-Bahtinov mask for Celestron CPC 1100 w/ Fastar.




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