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Welcome to IIS.
You should get a lot of enjoyment from your scope.
The 130 SLT has a focal length of 650mm. The magnification gained by your eyepieces are 650/25=26x and 650/9=72x. This is great for wide-field viewing of nebulae, clusters and large galaxies but a bit on the low side for observing planets. I would suggest you get a 2x barlow or add something like a 5mm EP to your collection. This will bump your magnification up to 72x2=144 for the barlow or 650/5=130 for the EP.
Regards, Rob.
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