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Ive learnt after many years trying to combat dew at my 2 locations ( City Suburban and Coastal rural ) with both observing and imaging with my 6” , 8” , 10” and 12” Newts that I don’t bother anymore.If the humidity is above 85% and wind is below 10km/hr then sure enough dew will form and get worse into the night.
Dew significantly limits your seeing with Imaging and Observing no matter what gear you use.
I originally fitted Kendrick dew controllers , heat straps , heater bands around the secondary mirror stalks etc… on all my rigs. Also tried fans , dew shields as well
I’ve since removed everything and now image and observe on nights without dew. Much more enjoyable viewing and much better images
Clear Skies
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