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It is a large object so you need low power enough to give you about 1.5 degrees to frame it nicely and a line filter such as O-III or H-Beta. UHC works too but any wider bandwidth and it is more difficult.
I just tried with my 10.1" f6.4 Newtonian using a 41mm Panoptic under reasonably dark suburban skies and it is quite visible in O-III, H-Beta and UHC but much fainter with the Deep Sky filter, (all Lumicon 2" filters).
Low power gives you the field you need as well as the larger exit pupil for the filters to perform at their best on this large low surface brightness object. An 8" f6 'scope should show it but a filter is needed unless you are out in the country under very dark skies and even then it will be faint without a filter.
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