I've seen 6. Normally on a reasonable night, with the 12.4 SP @ 92 X, they stand out really well. The 9.7 SP @ 117 X shows them a little better, but as you know, it all depends on the conditions. L.
I bagged 6 a couple of mornings ago with my 10" Newt with "good" seeing, but not "great".
On a couple of exceptional nights, I've gotten 6 with my 4.5" Newt. Its one of my informal seeing tests with my 4.5":
4 Stars - bad to average seeing
5 Stars - good to great seeing
6 Stars - great to awesome seeing
Yup I think there is a concensus here. I see 6 routinely in my C6 and 5 in my Orion 80ST. Have not had a chance to try that out with my 102ST yet though.
I'm almost always been able to tease out E & F even in reasonable conditions using a
10mm XW @ 120x. In pristine conditions using 350x (3.5mm XW) they fade away. So
120x seems to work best for me. Also I guess knowing where to look helps, thanks to
Astro_South.
With components H & G sitting @ 16+ I'll need a scope upgrade or a bionic eyeball.
Has anyone using say a 16" dob been able to tease out H & G? what about you astron?
I have seen Six in aperture as small as 4" Tak on a good night ,on the matter of SCT John is right in saying that the conditions need to be good and Geoff saying (You have to know where to look ) now you might think your SCT is collimated well but did you check It at 400X ! thats where you'll get good collimation for these scopes. When I had a C8 I had no trouble with five and many times with six when the seeing was good.
I even managed to split 0.8 gamma centuri on a good night with a C8 at 300X and hey I'll tell you now both my Tak's couldn't do It !
Ok, tried the trap tonight and still only 4 even at 400x and 480x.
Focussing in an out, i really believe my collimation is not spot on or my optics aren't up to it. One star looks like a smudges double.
Can't wait til camp to get some help on collimation for beginners!
Davo that mag is to high ! you'll have better luck between 150x too 200x I think
at least that's what It has been for me mate . Otherwise you loose too much light !
Louie is right, that mag is way to high. In an 8" dob somewhere between 100X to 160X will bring them out. The important thing is good transparency, also let them get high in altitude and fair seeing also helps.
I didnt know there was more than 4 until I got my 12" dob the other night, now I can see 6 easily, it does take a bit of power though, it wasnt obvious until I used a 15mm EP or better.
L.
No harm in trying hey? 
