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What's The Best upgrade option from Optex 8" Dobson
I enjoy using my Optex f1200 8" Dobsonian, but want to see more. I'm currently eyeing up the 10" and 12" GSO Dobsons the Andrew and BinTel flog as I definintely want to stay with Dobs.
I've done the maths and know that a 10" captures about 50% more light than my Optex 8", and a 12" captures 125% more light than the Optex. The 10" (f1250) gives me a fraction more in magnification whilst the 12" (f1500) will increase the magnification by about 25%.
What does this mean in real viewing terms? Will a 10" be a noticeable improvement in resolving power, or would the 12" be more significant. For example will the cloud bands on Jupiter and Saturn be more noticeable with a 10" or 12" compared with my 8"? When I view M42 in Orion, will I see more colours or gas cloud?
If any members have experience using an 8" Dob and then upgrading to the GSO 10" and 12" I'd greatly appreciate their advice.
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