Quote:
Originally Posted by Aurorae
Well, not auto alignment like StarSense but rather easy alignment, such as the iOptron SkyGuider Pro Mount with IPolar that has an electronic polar finder scope even when the pole star is obscured and there is no need to position towards the south.
You are absolutely spot on with focusing, but I have decided that I may instead go for the Zenithstar 61 because of the larger aperture and it is still small enough to fit on the skywatcher. But, definately, a member here showed me how to use the Bhatinov mask and it was amazingly simple. Definately want that!
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There is a difference between starsense alignment and polar alignment. Starsense is for alt az mounts and allows accurate gotos after telling the mount where it is. If you want to take better nebula photos you need to be polar aligned which is aligning the mount to point at the south celestial pole. Star sense does not do this, it just builds a model that the mount can use to goto objects. I am not sure if you are getting an eq or alt az mount. If it's alt az then you will get little circles as the stars rotate around the polar axis as the mount cannot track properly in the eq manner. At your focal length with short subs this may not be an a great issue.