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I do occasionally use them for planetary viewing though these days most of my viewing is through a webcam and the only filter I use is an IR/UV blocker. I have found that the Orange and Red filters can help reveal the albedo features of Mars more that just visual, especially at medium powers when the brightness is overwhelming. Likewise for Jupiter has found a simply light blue filter helps reduce glare. On nights of ordinary seeing try a green filter with Jupiter as this definitely seems to lessen the impact of atmospheric turbulence - guess the result of just one colour rather than the turbulence making a mish mash with varying refraction of the various colours.
Hope that helps,
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