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Thread: Ul24

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    Default Ul24



    Just curious has anyone ever looked through the Hubble optics UL24?
    Mike.
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    Default Re: Ul24

    I have never seen or talked to anyone with one, I imagine it would be quite good.
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  3. #3
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    Default Re: Ul24

    It's an interesting scope.

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    Default Re: Ul24

    It looks like a great scope, and the price seems pretty good for that aperture. My concern would whether be the very fast optics are OK. I note for example that Carl Zambuto wont make anything faster than f4 because of the problems of getting one figured to his standards... (and if he did, I suspect the price would be about the same as the complete Hubble scope!)

    I would love to hear a review!

    - Dean

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    Default Re: Ul24

    Mike,

    I haven't looked through one, however, I was considering purchasing one a few years ago.

    Over the years since they launched, I've read mixed reports and reviews about various scopes not just the 24, some scopes seem to be very good, others average. I do not recall reading anyone posting a review that panned them. In the end I obtained a very good 18" f5.6 with a galaxy optics mirror at a very good price.

    A very large dob telescope can be used at nosebleed inducing high magnifications. However, unless it is fitted with a servo system, the image zings across the field so fast you can't really enjoy the view. Mine is a push dob with a digital setting circle system. I gain my greatest enjoyment using the large 18" aperture at lower to middle magnifications with 31mm nagler (90x 0.9 degree), and 17mm Nagler(150 x0.5 degree) to enjoy breathtaking views of deep sky objects. With a big aperture, seeing conditions have to be excellent and thermal equilibrium reached before a high magnification can be used. I've owned my 18" dob for 15 months and have not used it at more than 350x even though it has excellent optics, conditions have never allowed it.

    The point of all this is that if your budget will only allow for purchase of a UL24, I'm sure you can get a great deal of enjoyment looking at DSO's at lower powers even if the mirror isn't of the very very highest quality. If you happen to get a fantastic quality mirror then you may well enjoy views of the planets at high powers too, just be prepared to chase them unless you get the servo option.

    At f3.3, you will definitely need a coma corrector. But at f3.3, the 80 inch focal length means you can stand on the ground much of the time and only need a ladder or step when pointing high in the sky. My 18" f5.6 has a 100 inch focal length. I spend a lot of time a short way up the ladder and when pointing high, I an 4 steps up. After a long night of observing on the ladder, my calf and hamstring muscles usually pull up sore the next day. It's always compromises with scopes. Nothing is perfect. A 24 f3.3 sounds like a good compromise. Write and ask them if they can put you in touch with owners in your region who might let you have a look.

    regards

    Joe
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    Default Re: Ul24

    Hrmm that's an interesting idea. I'm not in the market for a big one yet just window browsing lol. I love my 12
    Mike.
    100% beginner.
    Scopes: Apertura AD12 with telrad. Tasco galaxsee 45 on an equitorial mount. Vivitar 2inch refractor on basic tripod.
    Eyepieces: Apertura 30mm 2" superview. Apertura 9mm plossl. GSO 32mm plossl. GSO 1.25" 2x shorty Barlow.
    Photography: coolpixl110 on a basic tripod.

 

 

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