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Old 17-01-2015, 08:58 PM
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DavidLJ (David)
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Join Date: Jun 2011
Location: Sydney
Posts: 122
Many thanks for your replies Barry and Rick. I've tried to follow that topic thread you mention Rick but at this stage I find it to be more than I can readily absorb. Will keep trying however. In the meantime I note the general advice that for NB longer is better. With my SW AZ-EQ6 GT and Orion Mini guide 'scope and Starshoot autoguider camera mostly sheltered from wind in the observatory I don't seem to have any trouble getting PHD2 to guide the 'scope for long periods so in practical terms the only exposure limit is my patience. I'll try 20 minute subs for starters and maybe experiment with cutting back to 15 minutes at a later date.

Again thanks for your help. It is much appreciated.

David
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