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Thread: difference in mounts

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    Default difference in mounts



    I've been considering buying a Celestron 6 SE so I can do some astrophotography but I keep hearing that I need an equatorial mount. Is that true? Is the 6 SE adequate for photos?
    George
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    Default Re: difference in mounts

    You can do short exposure AP with the 6SE, or many alt-az mounted telescopes or that matter. Your main limiting factor, all other things being properly address is field rotation. This will limit a single exposure to approximately 20 seconds, depending on the declination of the target you are imaging. Beyond that, field rotation begins to create trailing/smearing defects in the image.

    It is possible to stack multiple short duration exposures into a single composite image, which in some cases can make up for this limitation.

    There are many alt-az imagers here on the forum. Some will likely chime in soon.
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    Default Re: difference in mounts

    The SE6 is primarily a visual scope - very short exposure photos would work, but for real results you are going to need to think in terms of a powered equatorial mounts
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    Default Re: difference in mounts

    Just to add to the above excellent responses, check out this thread:

    Minimalist Astrophotography

    Very good information on what you can possibly achieve with an altaz mount!
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