Hi Ryan, keep at it. It is hugely over exposed, as I'm sure you can see.
It also seems that your focus is off. How are you focusing?
I have attached a pic to illustrate what it should look like. 30 seconds @ ISO 1600 with 200mm Newt.
Because it is so bright you can actually get a pretty good result with a single exposure like this one.
If you do that you can of course see the result immediately on your screen,
and shorten or lengthen your exposure as required.
raymo
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