I've had a few excellent nights this year, all morning sessions and with the 8" dob. This scope didn't break a sweat at 50x/inch on those occasions. Just a couple of weeks ago I was observing the moon at 600x and it was sharp to say the least, even 720x was possible during those extra steady moments and was alot of fun tracing the hills and mountains along the limb. Earlier this year, I've resolved planetaries as small as 2" at 857x which is the highest mag I've milked from the scope with "useful" results. report here
http://www.iceinspace.com.au/forum/s...ad.php?t=86258
While Melbourne is famous for its unpalatable climate, it offers decent seeing most of the time. Usually I can expect to use 200-250x for planets, globulars and planetary nebulae and maybe stretch it to 300x on small faint DSOs. If anything, there's less nights with seeing that won't allow mags in excess of about 150x.
Haven't had the chance to stretch the legs of the 12" yet.
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Originally Posted by Rob_K
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