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Effects of Humidity and Heat


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Hey all,

     New York is in the midst of a heat wave, usually nights drop to 70F but the humidity is very high.  On average, 80% humidity is what we are dealing with.  Is it even worth imaging in this type of climate?  I went out last night, but I couldn't tell if my images were plagued by haze or a thin layer of clouds (both planetary and DSO).  I would post one if I didn't delete them.  Just wondering how everyone deals with imaging in the hot weather?   Thanks everyone.

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Hello,

I, likewise do a dew battle every clear night that I can get out there and try. I am from the eastern shore of the Chesapeake, it is down-right soupy with dripping sweat and dew on the computers, and camera and so on. When I wrote a similar note on the forum a while back. The most clever response I got was "Happiness, thy name is astronomy." Kind -of says it all, I think. In reading about it, there is great hope, that, sometimes the most dew laden skies are quiet above and can lend some great focused images. So, keep trying, because that one great view or image you get, is worth it. Try to avoid the terrible energy that trumps your spirit when its frustrating. Turn it around to smiling in the face of a bad image night. I think you will appreciate your good views and pics, when they come so much more.

For more objective advise, Google Dew control in astrophotography and you will get an article from Sky and some ideas. I use a power tank and lens heaters and a large industrial fan to blow over my entire set up and chair and computer. I got a really nice pic of the Lagoon Neb recently doing that.

Keep looking up.

Clear-Not Soppy Skies, Respectfully

Shanahan

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