ahha! thanx chris. i rather like the idea of the go-to. going to do some looking here in wollongong first ,then some looking online.eg andrews.and along the way lookup some more of these terms....lol.all we had in the late 70's as a kid was a 4" kmart reflector and starchart lol.used to get the ****s as you would focus on the moon and it would wizz past out of the field of view very quickly lol.want something that will 'track' as well. cheers