I'm going to slightly hijack this thread, being as Kev hasn't responded for several days.
Mick, google DARV, and use Robert Vice's method. It makes alignment easy and quick after a little practice, and you don't need to be able to see the
polar regions. Stack large numbers of 30-40 sec subs in DSS, and you will be surprised by how good your images will turn out,[just ask Cometcatcher] or
have a look at some of his fairly recent examples.
raymo
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