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My L200 has landed!
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24-01-2014, 11:35 AM
Terry B
Country living & viewing
Join Date: Mar 2006
Location: Armidale
Posts: 2,790
You shouldn't need terribly long exposures to get a good S/N. Without guiding the star may not have spent long enough on the slit.
What software are you using to calibrate?
Terry B
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