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Hello Sebastian,
A good start with that camera, especially the Jupiter.
Re noise, try to reduce the gain a bit. Even if the image is a bit dim on the preview, it will be possible to brighten it post process, but at lower gain the camera should have less noise. Does your capture software show a histogram? For example, you can get a good image even when the max level is 50% during capture. Also, the longer the capture (and therefore the larger the stack size), the lower the noise in the final image.
I know your camera has small pixels, but I think even so, and even at this low elevation, Jupiter will benefit from a 2x Barlow. Worth giving it a try. However this will make the image dimmer, and might mean lowering the frame rate to 30fps or even 15fps.
For Uranus (and Neptune), you'll need maximum gain, and relatively long exposure time e.g. 0.25s or more. Start without a Barlow, then switch it in if the seeing and capture settings allow. You may need to increase the gamma to get such dim targets.
Good luck, and keep experimenting.
-Ivan
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