I've seen it with my 12" dob and H-beta from my outer suburban backyard. It is not obvious that's for sure, the contrast between IC 434 and the background sky is something like the difference between satin black and flat black. The HH itself appears as a finger-shaped notch.
One good guide for the likelyhood of seeing the HH is the Flame Nebula (NGC 2024) and reflection nebula NGC 2023. If these are invisible or difficult, you can forget about the HH, it's much tougher.
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