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Old 19-08-2015, 05:19 AM
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MGTechDVP (Mariusz)
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MGTechDVP is offline
 
Join Date: May 2011
Location: Wollongong, Australia
Posts: 272
Pretty good for 40 sec subs...

A OAG (once you get a guide star which can be quite tedious at times) will allow you to definitely be able to get longer subs... I'm consistently doing 30minute and occasionally 45 minute subs when imaging narrowband... that was possible only with the OAG... even a guide scope was causing drift due to flexture and mirror movement at these durations.
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