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Advice needed

advinnie
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Rallemikken

Rallemikken

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On 18/01/2023 at 22:37, advinnie said:

I have a sky watcher 200p and I'm wanting to know how does everyone stop the main mirror from misting up ?

https://stargazerslounge.com/applications/core/interface/file/attachment.php?id=543048&key=ff03089e301899c4499852391991a4c5

The yellowish thing is a cheap dew heater. Need a couple for the guidecamera and secondary anyway, so I tried this solution. Works great. No affect on collimation.

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advinnie
advinnie

Hi everyone, I can't thank you all enough for help and advice, I will now go have have a look at these dew shields and heaters. What a fantastic hobby this is, I always wanted to get in to this but ju

bosun21
bosun21

When I leave mine out to cool down I leave the cap on and open up the focuser and luckily mine has a primary fan which circulates the air. Also don’t leave your scope pointing upward when cooling as i

Zermelo
Zermelo

Even if it's not a dewey evening, you may find some advantage from the dew shield in controlling stray light entering the tube, bouncing around and reducing the image contrast. It depends on how much

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