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In my opinion, it depends on your camera and processing skills. Orion is a notorius high dynamic range target, and blowing out the Trap is common when trying to get good fringe emission images. For many imagers the answer is to shoot two exposure series: one long one to bring out the emission detail in the extended cloud areas, and a short set to expose the core without blowout.
I will explain how this is integrated in Photoshop. You bring your images together as layers, and create a layer mask, so that you use the short exposure core and the longer exposure outer area. There are several good Photoshop tutirials online that show how to do this, Ken Crawford's videos on utube are good.
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