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Thread: Opinions on accessories for a Celestron Nexstar 8SE

  1. #21
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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE



    Quote Originally Posted by MikeWest View Post
    Definitely a yes on something heated to control dew. I use a 4 channel controller and dew bands on my C8, but the hair dryer will work fine also.
    Seems like a hair dryer just adds another task you'd have to monitor.

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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE

    Quote Originally Posted by SpaceCorgi View Post
    Seems like a hair dryer just adds another task you'd have to monitor.
    You have to monitor the dew heater too.
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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE

    Quote Originally Posted by not_Fritz_Argelander View Post
    You have to monitor the dew heater too.
    I see they have controllers, but it isn't something you can just have on low and forget it? Are there risks to the lens? This is stuff I have never even thought to be concerned with.

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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE

    I crank up my heater and then let it run, as long as it fights the dew I am happy. Nothing ruins an evening faster than dew. The hair dryer works too, it is much cheaper but slightly more work (the dew will come back and you have to use it more often).

    Quote Originally Posted by SpaceCorgi View Post
    I see they have controllers, but it isn't something you can just have on low and forget it? Are there risks to the lens? This is stuff I have never even thought to be concerned with.
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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE

    I use a 12v hair dryer most of the time, but when the dew is BAD, the dew heaters come out. They usually need to be set between medium and high to work for me when conditions are bad enough for me to need them. But there is no risk to your scope using them. You want to set them as low as possible and still be effective to help conserve your battery.

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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE

    Quote Originally Posted by SpaceCorgi View Post
    I see they have controllers, but it isn't something you can just have on low and forget it? Are there risks to the lens? This is stuff I have never even thought to be concerned with.
    Lens damage is not something to worry about. Distortion of the lens and loss of optical performance is a possibility if there is a change in heater output. This would affect a Rumak Maksutov more than an SCT. Dew heaters need to be operated at the lowest effective power and that is something the observer needs to monitor too.

    Even if you use a dew heater there are still situations such that the temperature might drop suddenly and cause dew to form. In that case a hair dryer is an excellent plan B blown ACROSS the lens not at it.

    There is nothing "set it and forget it" AFAIK.

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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE

    This is all good info and really helpful guys, thank you! I know I'll have more questions, lol. As I mentioned it's a little intimidating with all the set up and things to consider on top of the issues you need to deal with getting your image right. I'm excited about the new C8 but at the same time feel like I have just stepped into a much more involved level of this than I was with my 90mm.

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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE

    There's not one way to do this either. So there will be diverse opinions reflecting individual preferences for working an observing session. Eventually you'll find your own system.

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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE

    Up till now it's been popping out to the back yard and getting a quick workable polar alignment and the slewing to whatever I want to view. I'm usually not out there more than an hour or two. I see that changing once I get the hang of this new mount and can track an object and just watch it and record. I rent so I can't set up a pier for consistency. Like you said, eventually I'll get used to the C8 and mount and have a system.

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    Default Re: Opinions on accessories for a Celestron Nexstar 8SE

    So I have the dew shield, a Bahtinov focuser and a Celestron illuminated reticle on order. I am still waiting for the 2" eyepiece set my telescope bundle included. I have a Meade series 4000 .63 focal reducer saved in my wish list. I'm curious to know if it is compatible with my nexstar 8se? The Celestron .63 reducer is a lot more than the Meade reducer. Any idea why?

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