Lesley,
You'll need to use a 10 or maybe 12mm ep. Any smaller and you'll be losing a lot of the light needed to see it.
You've got to come to Astrofest. Lot's of IISer's will be there. It's terrific to put faces to names.
You can book here
www.qldastrofest.org.au
Cheers,
Jeanette