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Old 22-04-2011, 11:58 PM
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allan gould
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allan gould is offline
 
Join Date: May 2005
Location: Brisbane
Posts: 4,485
You could not have picked two more different scopes to compare.
The 8"GSO IS LIGHT AND A GREAT IMAGER, HOWEVER IT'S NOT A SIMPLE PLUG AND PLAY scope as it needs quite a lot of expertise to get the most from it especially in the realm of collimation (sorry about the caps - didn't mean to shout).
The 150 mm refractor is a heavy scope that will need a good mount to carry it and you will get problems with colour fringing - even if you can't see it a photo will definitely show it with your stars and it will ruin a good shot.
To be honest if you want the best of all worlds I would recommend an 8" SCT on an heq5 or eq6 mount with a DSLR and a good set of eyepieces. The 8" scope will let you see most everything and also image it. Remember to get a light and cheap refractor as a guide scope and maybe a used DSI II as a guide camera. Either second hand or new your outlay would not be that great and then if you need to upgrade you can do so after you have exhausted you systems potential but that will take several years if at all.
Hope that helps.
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