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I’m looking for set of filters for my telescope. Something for the solar system. Can you say me what is the best choice?

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You have some good links in the comments, but this is my personal view:

Remember that filters block light and therefore make the image dimmer.
Planets are viewed at high magnifications and small exit pupils, which also makes the image dimmer.

When observing planets and the Moon I find it best to increase magnification instead of adding filters.

I use narrowband filters for observing nebulae, which I do at low magnifications and large exit pupils, which keeps the image relatively bright.

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  • $\begingroup$ Planets and the moon and sun are some of the brightest objects in the sky, it’s actually quite hard to make them too dim. $\endgroup$
    – Topcode
    Oct 29, 2023 at 0:41
  • $\begingroup$ @Topcode try looking at them with a 0.67mm exit pupil $\endgroup$
    – Aaron F
    Oct 29, 2023 at 22:58
  • $\begingroup$ here's a good alternative view which was posted the other day cloudynights.com/topic/898069-colored-eyepiece-filters/… $\endgroup$
    – Aaron F
    Nov 8, 2023 at 11:49
  • $\begingroup$ @GeorgeBg4273 also this agenaastro.com/articles/guides/… $\endgroup$
    – Aaron F
    Nov 8, 2023 at 11:56

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