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  1. #1
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    Question HEQ5pro how much can it really carry?



    Hi,
    I currently own a HEQ5pro and use it mostly with my 8 inch Newt, Finder-Guidescope, and my Canon T2i. The scope on its own with finder weighs 20lbs.
    The question being could I go up to a 10 inch Newt with this mount?
    I have looked around and there are a few of the f4 ones which are shorter and lighter than the longer f5. They say weight is around 25lbs for the OTA.

    So could I go for a 10inch newt?

    Thanks for any opinions, they would be much appreciated

  2. #2
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    Quote Originally Posted by DMouse View Post
    Hi,
    I currently own a HEQ5pro and use it mostly with my 8 inch Newt, Finder-Guidescope, and my Canon T2i. The scope on its own with finder weighs 20lbs.
    The question being could I go up to a 10 inch Newt with this mount?
    I have looked around and there are a few of the f4 ones which are shorter and lighter than the longer f5. They say weight is around 25lbs for the OTA.

    So could I go for a 10inch newt?

    Thanks for any opinions, they would be much appreciated
    The HEQ5 is rated for 15 kg / 35 lbs for visual work. That works out to about 22 lbs for AP. I have 22 lbs on mine, doing AP, and it works fine. I wouldn't want any more weight, though.

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  3. #3
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    I had a 10" newt on an EQ5pro. I had to be very careful with balance and also had to disassemble the mount to clean the "China grease" out of it. It worked well but it also took some effort.

    Just curious why?
    For AP the 8 inch should do the trick for you.
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    Quote Originally Posted by DMouse View Post
    The question being could I go up to a 10 inch Newt with this mount?
    I have looked around and there are a few of the f4 ones which are shorter and lighter than the longer f5. They say weight is around 25lbs for the OTA.

    So could I go for a 10inch newt?

    Thanks for any opinions, they would be much appreciated
    I wouldn't take this upgrade path. You will see hardly any difference in the extra 2" of aperture.
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  5. #5
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    What I am after is better detail resolution for planetary, and a little more light for DSO imaging. I know it isn't gonna be a huge increase but a 12 inch tube or bigger is probably going to be too much to handle easily enough, and so will end up not being used. 10 inch is a good size, but so is 8.
    2 inches for a visual upgrade, not much, but for imaging, it should be a good increase with the long exposures.

    Thanks for the responses guys

  6. #6
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    Default

    Quote Originally Posted by DMouse View Post
    What I am after is better detail resolution for planetary, and a little more light for DSO imaging. I know it isn't gonna be a huge increase but a 12 inch tube or bigger is probably going to be too much to handle easily enough, and so will end up not being used. 10 inch is a good size, but so is 8.
    2 inches for a visual upgrade, not much, but for imaging, it should be a good increase with the long exposures.

    Thanks for the responses guys
    How about an 8" f/4 for DSOs (the f/4 giving you more light at prime focus than your current f/5) and a CCD or webcam with a small chip to give you the detail in planets?

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    Oh gosh! How many times have I asked myself the same question?

    My understanding is that going from 8 inch f5 to 10 inch f4 will shorten your exposure times a little and give you a bit more resolution. But I think that a 10 inch on an HEQ5 is going to be a bit of a challenge for secure guiding and general handling. Also, collimation will more challenging and you are going to suffer more coma for visual work. I would be more confident of success if you were on an EQ6.

    I used an EQ5 for about a year and found it was quite happy carrying my 200P but the extra weight of adding my ED80 made me very nervous.

    Did someone once advise that for good guiding you shouldn't exceed half the recommended maximum weight?
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