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I agree with Rob, the HH is very difficult. My one and only attempt (and completely divorced from Rob's attempt) was a couple of nights ago, and I was fighting cloud across the area, but gave it a look. All in all about 15 minutes of varied exposures, some 1 minute and some 4 minutes. All at ISO1000, although I did get sick of the darkness and wound up the ISO to 1600 for a four minute exposure near the end.
D100 on the 10" f5 newt/G-11.
I believe it needs a very dark site, or maybe a "decent/real" CCD.
Gary
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