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Effects of collimation?

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Even slight miscollimation will affect planetary images, making them slightly soft. A perfectly collimated sct with decent optics and an excellent eyepiece can produce very good planetary images. My best ever Jupiter view was with a 1985 Celestron SPC8,fantastic fine detail in the equatorial bands.

2 years ago my C8 showed up to 9 bands on Jupiter and the crepe ring on saturn easily in decent seeing.

so it is worth taking time to get it spot on.


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