Hey Bruiser,
It's very hard to go by an an 8" Newt for on an a GEM for it's combination of resolution, practicality and cost-effectiveness.
The advice you've been given is pretty sound.
Bear in mind that almost any old PoS will do as a guide scope so a whole GS package should set you back no more than $300. As long as your auto-guider can keep its guidestar within about6-7 arcseconds, you'll be fine.
Also, "Train" your mount: over two or three nights adjust or correct your mount's pointing using (preferably) three stars and your acuracy will impreove markedly.
ATB and clear skies!
|