Phil,
I used the TC-80N3 timer remote - this means I can image without my laptop attached or being tied to the scope, both are a big plus for me. The gadget is horribly expensive in Australia, I bought mine over the net from Hong Kong and got it for half the cost here (still expensive though!). I did not use mirror lock on this shot but do when shooting at prime (shorter exposure and longer focal lenght seem to demand it!).
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