Quote:
Originally Posted by Merlin66
Marc,
I’m impressed if you can achieve that.....
With spectroscopy (ATIK314L) I was struggling to get a good signal below 3700A.
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I did 10min subs @-20c, 12.6h in total. I dithered each frame. Drizzle combined in pixinsight then binned back 2x2 to native res. It is still a little noisy even after that much integration. Scope is the FSQ106N. I don't know if it having a fluorite element helps with sensitivity. I want to try with the CN-212 next as there is no glass in the imaging train.