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Thread: Guide to Autoguiding the LX90

  1. #21
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    nice photo bbillyc
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    40 degrees again on the weekend and not a cloud in sight

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    Default Re: Guide to Autoguiding the LX90

    What parameters do you set? I've been trying to use phd guiding with my etx-90 and the calibration never seems to work. I can here the motors make sounds but they aren't moving much at all to keep up when I try to test it with a simulated star in my other laptop (forgot what that program is called for simulating the moving star.)

  3. #23
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    Default Re: Guide to Autoguiding the LX90

    Hi, I'm thinking of buying a second hand LX90 LNT as an upgrade. Would you recommend the LX90? and could you give me any advice on the scope?

    Regards, Kevin.

  4. #24
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    Default Re: Guide to Autoguiding the LX90

    I've changed my camera (to a modded Canon 450 with astrodon filter) and have really screwed around with the parameters on PHD. some nights it quides like a rock and others it isn't stable at all. What I have really learned most is to set up the guiding with Backyard EOS in terms of drift alignment. The closer you get to true north and setting the dec to either north or south but not to auto seems to work the best. Here is a photo I took earlier this summer of the veil nebula. It proves the LX90 can work.Veil Nebula first stack working 2 HP small.jpg
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    LX90, Modified Canon 450D, HP Envy, ST80 and
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    Default Re: Guide to Autoguiding the LX90

    This was really helpful, thanks!

    James
    Clear Skies, James
    "If you can't explain it to a six year old, you don't understand it yourself.” - Albert Einstein

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    Default Re: Guide to Autoguiding the LX90

    Great link very useful thanks all

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    Default Re: Guide to Autoguiding the LX90

    Hi Blaise,
    Thanks for this post. So I do not need the 909 connector which is hard to find. Just purchase the Meade #505 connector cable set and an RS232 to USB converter.The follow the instructions- is this correct?
    Cheers,
    Chris

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    400 Dob sincscan, Fullerscope 220/1600 F7.5. Meade LX 90 autostar, Skywatcher ST80, Altair Astro 72 ED, Mounts: Fullerscope steel heavy eq, Meade wedge. Cameras: SX VH9 mono, Meade DSI, ZWO ASI 112MC. Astro-video cam. Programs: Firecapture,
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    Default Re: Guide to Autoguiding the LX90

    Quote Originally Posted by jivincb View Post
    Hi Blaise,
    Thanks for this post. So I do not need the 909 connector which is hard to find. Just purchase the Meade #505 connector cable set and an RS232 to USB converter.The follow the instructions- is this correct?
    Cheers,
    Chris
    I don't think Blaise is active anymore, but you are correct. Use caution on the cheap serial to usb converters, people have had problems with fake prolific chipsets.
    Corey

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  10. #29
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    Default Re: Guide to Autoguiding the LX90

    Hi, well I've the cables, good quality, gone through the process. Phd is talking to the scope and the camera is showing on Phd. So the testing is ok, just need to test outdoors now. Used a Philips toucam flashed to SPC 9000 as the 'guide' as it's very light and seems to connect well. Have aligned the wedge as well, just needs the fine adjustment. Will let you know how the trials progress!
    Cheers,
    Chris

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    400 Dob sincscan, Fullerscope 220/1600 F7.5. Meade LX 90 autostar, Skywatcher ST80, Altair Astro 72 ED, Mounts: Fullerscope steel heavy eq, Meade wedge. Cameras: SX VH9 mono, Meade DSI, ZWO ASI 112MC. Astro-video cam. Programs: Firecapture,
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    Default Re: Guide to Autoguiding the LX90

    Good stuff - well done
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