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Old 31-10-2007, 03:21 PM
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gbeal is offline
Join Date: Oct 2004
Location: New Zealand
Posts: 4,300
I'm with Turbo, and with the warmer weather I too am finding -20 more difficult. Not impossible, but try taking darks for a library during the day.
I agree though, that the lee-way that you have at 50% is the likely reason, not so much the stress.
Write to SBIG, or post this on the SBIG forum, someone will know for sure.
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