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Hello Doug
I wasn't thinking on spending 5, 10 or more minutes guiding. My understanding of DSI is, or am I wrong, taking x number of exposures, say 30sec. or 1 minute and then stacking them with a computer program.
Healesville still has some reasonable dark skys, provided you can teach your neighbours to turn their bloody backyard lights of. But we also have rather cold and damp nights. Lots of heavy dew. Had to line my metal tube from my dobsonian with cork. Dew at times is that heavy that I had water dripping of it inside and out. Actually it worries me a bit with imaging and having my laptop out in the open. But we will see what happens.
Alexander
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