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I'm confused Kev; If you have yet to produce what you consider a
worthwhile image, why are you buying guiding equipment and Losmandy
plates etc; and making the learning curve steeper than it need be?
Your HEQ5 properly aligned using your DSLR and a 100mm lens will
give unguided subs of several minutes duration. A 500mm lens will give
subs around 50-60 secs. Stacking subs of these lengths can produce nice
images. Get this routine and the associated processing off pat, and then
move on to guiding. Single subs can be quite nice too. Of the attached pics,
the Rosette Neb. is a stack of 6x 30sec subs, and the other two are single frames. All unguided.
raymo
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