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#1
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How do I - Dew Solutions
Well, the night started well but the Telrad dewed up after only about
30 minutes, the Finder after about an hour, and, when I checked the main scope after about 2 hours, I found the corrector plate dewed. I always use a dew shield but it wasn't enough tonight. I was ready, willing, and able to continue but the optics were done for the night. I packed it in. The telescope is still air drying downstairs before I put it away. I had considered a Kendrick Dew Heater and am now considering it again. Are there any other options other than a dew heater and a dew shield? Any thoughts would be appreciated. |
#2
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How do I - Dew Solutions
A dew heater is the best and most aggressive solution. One could use a
blower (like a hair drier) and this works well, but this is only a part-time solution, as in 10 or 15 minutes the dew is back. Al "Mark Smith" wrote in message ... Well, the night started well but the Telrad dewed up after only about 30 minutes, the Finder after about an hour, and, when I checked the main scope after about 2 hours, I found the corrector plate dewed. I always use a dew shield but it wasn't enough tonight. I was ready, willing, and able to continue but the optics were done for the night. I packed it in. The telescope is still air drying downstairs before I put it away. I had considered a Kendrick Dew Heater and am now considering it again. Are there any other options other than a dew heater and a dew shield? Any thoughts would be appreciated. |
#3
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How do I - Dew Solutions
Any thoughts would be appreciated.
Some alternatives: 1. Dew heater (most reasonable) 2. Hair dryer (works on finders, eyepiecs, telrads can corrector plates and is cheap) 3 Newtonian (Newts do dew up on occasion but it is rare in comparison.) 4. Head for the mountains. It is rare that there is a dew problem up in the Lagunas and they were pretty amazing last night, what with the naked eye comet and the clear dark skies. (This is the best soluton, most expensive time wise but worth it.) jon |
#4
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How do I - Dew Solutions
Any thoughts would be appreciated. Some alternatives: 1. Dew heater (most reasonable) Being basically lazy, I'll probably go with this option. I think there are options for eyepiece heaters as well. Of course, all this eats power... 2. Hair dryer (works on finders, eyepiecs, telrads can corrector plates and is cheap) 3 Newtonian (Newts do dew up on occasion but it is rare in comparison.) 4. Head for the mountains. It is rare that there is a dew problem up in the Lagunas and they were pretty amazing last night, what with the naked eye comet and the clear dark skies. (This is the best soluton, most expensive time wise but worth it.) Next weekend I'm off to TDS. |
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