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Old 27-04-2015, 11:42 AM
Renato1 (Renato)
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Renato1 is offline
 
Join Date: Mar 2014
Location: Frankston South
Posts: 1,283
My opinion - heaters and controllers obviously work and are the elegant solution, especially for imaging. But it's a complicated solution.

For plain visual observation, I use a far less complicated solution, namely a big battery pack and a 12 volt hair dryer. When the SCT and eyepiece and finderscope dew up - I apply the hairdryer every 15 minutes or so as required. This is not the best solution for viewing planets and double stars, but it is fine for Deep Sky objects.
Regards,
Renato
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