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It is interesting to see the really stark difference between what shows up in HA and what shows up in the red channel of my OSC camera.
There is dust that stands out hugely in my red channel that almost does not show in your HA, but then the dust lanes in the middle of the nebula are a lot sharper in HA only than my red channel. Looking at the stars though I really think I need to try a UV-IR cut filter even with my SCT. If I lean toward replacing that scope later with an SCT more suited to imaging then it is not wasted money, but the scope itself is really not intended for this stuff, the coma and curvature are a little depressing compared to what other people are doing with more suitable gear.
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