09-11-2011, 11:18 PM
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Moving to Pandora
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Join Date: Jan 2008
Location: Swan Hill
Posts: 7,102
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Quote:
Originally Posted by ausastronomer
Hi Jen,
Not for a 6" telescope under dark Swan Hill skies. Given your circumstances a narrowband (UHC) will provide a noticeable gain on a much greater number of objects than an OIII filter. An OIII filter will outdo the UHC on a few objects but on those targets the UHC will still produce a noticeable gain.
Cheers,
John B
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 thanks for the tips John but what about my 12" 
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