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Nebula Filter

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From my experienece of using filters in small aperture scopes I'd say an O-III might be to "harsh" in a 114mm scope, this is it filters out too much light and what's left would only deliver dim views.

A UHC would be a better choice in my view - the Skywatcher ones are reasonably priced and seem to work well. I found an Orion Ultrablock was pretty good with my 4" refractor (the Ultrablock is a UHC type filter).

These filters really only benefit nebulae though. They don't improve the view of galaxies and clusters.

Edited by John
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Thanks for the reply and information. I have a goto mount so thought that this type of filter maybe of use when browsing the night sky, but as you have said, perhaps a UHC would be better...

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