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Chris, keep the 9.25” for what it’s good at.
If you want to do DSOs it’s a lot simpler to start with a scope more suitable for that, and I mean f/5 or faster.
Suggest instead you buy a second scope for the purpose.
Starting with a scope at f/10 (poor choice) and the adding compressors to cut the focal length is frankly a kludge.
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