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Thread: What is the best eyepiece for observing jupiter

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    Default What is the best eyepiece for observing jupiter



    I have a Celestron 6se telescope(apature= 150mm,focal length=1500mm), but it only came with a 25mm eye piece. I also have a 2x barlow lens, but since I am fairly new to astronomy, I do not have a large collection of eye pieces. Which brings me to my question: what would be the best eyepiece for viewing a large and sharp image of jupiter?

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    Default Re: What is the best eyepiece for observing jupiter

    What is your seeing like?
    Current setup:
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    CGEM w/ Polemaster, Kendrick power panel, Celestron Starsense (big fan), ES 80mm ED F6 Apo &
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    - my other hobbies are just as expensive as this one -
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    Default Re: What is the best eyepiece for observing jupiter

    Since you have a tracking mount I'd suggest you go for a good quality orthoscopic eyepiece. I find that 150x with my 8" SCT is a pretty consistent magnification unless the seeing it abysmal - at which point I wouldn't bother with Jupiter and move on to viewing DSOs.

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    Default Re: What is the best eyepiece for observing jupiter

    I am about 25 miles SSW from Atlanta. I refrenced the 2010 dark sky maps and it showed my area as yellow.

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    Default Re: What is the best eyepiece for observing jupiter

    Another question: I've heard that you can exceed the maximum magnification of a telescope, at such point b view becomes blurry, which is the reason I only purchased a 2x Barlow for my 90mm telescope. Is this true or should I go all out and buy a high power eyepiece?

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    Default Re: What is the best eyepiece for observing jupiter

    Hi Nick to help answer your question are you looking to try getting a closer look at Jupiter or see fine details?
    The different eyepieces are fairly specific for your needs.
    If you are looking to get a closer/ clearer view but want to see the whole object you will need a wider field, if you want to zero in a fine detail then a Plossl will work well. If you really want to see details then an Orthoscopic is your best choice.
    When dealing with magnification most nights 50-60x per inch magnification will be your upper limit. Most nights pushing it beyond that will just dim the image and becomes empty magnification and does not improve the view at all.
    Refractors: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNG 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen SD115s f/7.7
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    Default Re: What is the best eyepiece for observing jupiter

    Thanks very much, I will take a look at those eyepieces.

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    Default Re: What is the best eyepiece for observing jupiter

    Typically, the most powerful eyepiece you would want to use will be equal to your f/ratio (f/10=10mm, f/5=5mm). You can sometimes go more than that but those times will be few and far between. I would count on a barlow for that. Even at the f/ratio=eyepiece level, there may be many nights where it is too blurry due to poor seeing.
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    Default Re: What is the best eyepiece for observing jupiter

    A quality eyepiece with not too much glass but still enough eye relief to be comfortable.........
    Jupiter and Saturn are rather unique targets, in that the longer you look the more you will learn to see.
    I recently compared a Televue Delos, Pentax Xw and Takahashi LE eyepiece on Saturn, I spent an hour and a half on the planet and found that the smallest narrowest and cheapest of the trio revealed the most detail.
    Planets occupy such a small portion of the view that wide AFOVs are unnecessary.
    Another favourite and an excellent eyepiece on planets is the Pentax XF8.5mm
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    Default Re: What is the best eyepiece for observing jupiter

    I second the motion for orthos. They seem to provide more contrast and sharpness than other types I've tried.

    Here are three posts on this forum that go into eyepiece selection in depth. Anyone thinking about eyepieces would do well to read these:

    A Treatise on Optimizing Planetary Views

    A Treatise on Optimizing DSO Observation

    http://www.astronomyforum.net/telesc...eyepieces.html
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