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Showing results for tags 'uhc filter'.
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After deciding what eyepieces I’m going to get I’ve decided that I would like a filter for Nebulae to use with my 130p. However I’m a bit confused on what the difference is between the types of filters. For example when looking on FLO I see a UHC,UHC-E, UHC-S and a OIII filter. They also have a similar description apart from some saying that this is best using with a larger scope or smaller scope and it also states forbest using in light polluted areas. I have attached a screen shot from the clear outside app so you can see what my sky is like. Any help on this will be much appreciated Many Thanks
I've been pleasantly surprised by the effectiveness of Optolong's UHC filter. I live in Canary Wharf area in London and this filter enabled me to extend the exposures a lot. The sky background is easy to get rid of as well.. It produces a green cast which is very easy to remove. The image is not great, sorry the collimation is off and the tracking was a hit and miss, but I like the colours in this RGB image.