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Ummm, that is an Refractor Apo objective lens not a mirror belonging to a reflector telescope. From the images you've posted the redish coloured circles ( dots ) seem to be in different positions in each photo. Maybe they are some sort of reflection but as the circles are all in a consistent pattern of 3 it would seem that they are something induced by the lens cell design and show up as the lens is angled differently to the camera.
I don't have that particular brand and size telescope so hopefully someone who does can offer more enlightenment as to the nature of the reflections. The red colour is probably caused by the anti reflection coatings on the lens.
When you actually look through the scope or image with it , does anything show up on the images or actually appear in the field of view.
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