The C11 Edge will work well for your observing targets provided it is collimated and cooled to ambient temperature.
A 5" refractor would also work well for your targets and needs less works to make it perform well - you just need to wait for 30 minutes or so for the lens to cool and it will give sharp images. It's also more portable than the C11.
A 6" refractor would be even better but can be quite long and heavy and need a tall, solid mount.
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