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I recall pale blue #80 or 82 (??) being somewhat helpful. Whatever the colour, pale, i.e., high transmission is best. The strong colour filters are a waste of time for visual imho. I experimented with colour and neb filters for a couple of years. On planets the best results were still very subtle but kind of nice. The hassle of fiddling around with filters got tedious after a while so I sold all my filters. Found it more helpful to just sit still and observe.
Mars may benefit from EPs with a slightly "warmer", ie reddish, colour balance, like some Televues have (eg plossls, type 6 naglers).
Last edited by janoskiss; 12-06-2016 at 02:14 PM.
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