Thread: Triffid Nebula M20
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  #13  
Old 18-10-2013, 05:38 PM
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renormalised (Carl)
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Join Date: Apr 2008
Location: Townsville
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If you want to take longer subs, but still stay in alt-az, you want to get yourself a field rotator. Like one of these...

http://www.optecinc.com/astronomy/ca...s/pyxis_le.htm
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