Great pick. This is one of my favorite Hicksons due to so many members that I'm able to see 8 in my 18" given excellent skies.

I too marked the H member as the most difficult of the group and required patience and moments of good seeing.
The observation was in a Sqm 21.67 sky with excellent transparency at 338x on 2/19/2009
The other tricky member was the separation of N3754 from N3753 from my notes.

I have re-visited it and not seen the H member which is tiny and so I feel the excellent conditions was the only reason H was detected.