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I want to get a set of colour filters for planetary viewing. Any suggestions on which colours/brand I should go for?

Andrew

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That's an excellent link - thanks!

I notice there's a Baader filter set and I was wondering about going for that - anyone have any experience of it?

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What size scope have you Andrew?

There are mixed opinions on whether colour filters work with scopes under 6 inch.

The web link from Saturn5 is very helpful. Note that cheap filters are just described by colour where as the good ones have Wratten numbers.

Scotastro

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Mine's an 8-inch f6 dob, and I use Televue plossls with it, the shortest being 8mm (magnification x150). I sometimes put in a x2 Meade barlow but I prefer keeping the magnification to x150 so that I can track more easily. I'm really more of a deep-sky person and haven't looked at the planets much at all in the last few years, but some recent views of Saturn (after cleaning up my optics and getting collimation properly tuned) have encouraged me to get back to studying our nearer neighbours.

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You can obtain most of the MAIN (i.e. the reasonably high transmission ones for smallish scopes) listed above, as part of the Antares 1.25" range. (i.e. #11, 12, 15, 21, 23A, 56, 80A). They were successfully supplied (to me anyway) in the sets or singletons from: :angry:

http://www.scopesnskies.com/cat/astronomy-filters/antares-astronomy-filters.html

If you're desperate to find a Violet #47 (I wasn't), I recall MEADE make 'em?

As you say, Baader produce a more expensive(?), but "coherent" set (i.e less photo-historic names and slightly "odd" transmission curves) too. But I have not tried 'em myself, either... :(

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Looks like the Antares set is about half the price of Baader, so it's tempting on price grounds, though I've seen very good reports on the Baader. Hard to know, when I'm not even sure what sort of difference I might see in the level of planetary detail. I'll have a think. Thanks for the advice!

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I get a lot of use out of a Baader contrast booster -

http://www.pulsar-optical.co.uk/prod/baader/filters/contrastboosterfilter1.25and2inch.html

Not exactly a specialist planetary filter, but for 90% of the time it works well for general viewing. It doesn't make any particular features (I'm thinking back to the 2005 Mars opposition, and recent use on belts and zones on Saturn) stand out more than others, but increases the contrast between them without introducing an unnatural tint. And it saves the hassle of switching between various colours just to improve the view of one particular feature.

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