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QHY5 - colour or mono
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15-08-2008, 09:05 AM
Terry B
Country living & viewing
Join Date: Mar 2006
Location: Armidale
Posts: 2,789
I use my mono guider through a 120 x 600mm achromat. For most areas of the sky I get a guide star with a 0.5 sec esposure. It is uncommon not to have a suitable star with a 1 sec exposure. It is very sensitive.
Terry B
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