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Thread: Filter placement in QHY filter wheel.

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    Rcoggins's Avatar
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    Default Filter placement in QHY filter wheel.



    Hi Guys,

    My new QHY9 arrived today along with a complet set of Astronomik 36mm mounted filters. The question I have is which direction the filters should face. I can't tell any difference by looking at them which way is forward and which way is backwards. They also fit in the filter wheel either way I place them. The filters did not come with documentation as to which way to place the filters in the filter wheel. These are not screw in filters. The filters are inset in their mounts to one side. Does the deep side face the scope or the camera?

    Thanks,
    Richard

    Equipment Observatory : Sky Shed Pod XL5.
    Scopes Celestron CGEM DX, AVX, Celsetron 9.25 SCT, SW ProED 80, Orion XT12G.
    CCD QHY9, CFW2-S, 36mm Astronomik LRGB & 12nm Ha, SII, OIII filters.
    Cameras Canon T3i with a Baader Mod., Canon 600D no Mod, Mini 50 SSAG, NexImage 5.

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    Default Re: Filter placement in QHY filter wheel.

    Congrats Richard. Generally speaking, you want the shiny side facing away from your sensor as that will help to reduce stray reflections. As long as all your filters are facing the same way, you should be fine.
    This used to be a great place to hang out but now it is not safe here anymore.

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    Rcoggins (11-16-2015)

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    Default Re: Filter placement in QHY filter wheel.

    Thanks Scott,

    With my old tired eyes both sides look the same to me. I'm also having a problem getting the camera to talk to EZCAP or any other software. I have downloaded the installation software from QYH and the computer recognizes that the camera is there under devices but no software will talk to it.
    Richard

    Equipment Observatory : Sky Shed Pod XL5.
    Scopes Celestron CGEM DX, AVX, Celsetron 9.25 SCT, SW ProED 80, Orion XT12G.
    CCD QHY9, CFW2-S, 36mm Astronomik LRGB & 12nm Ha, SII, OIII filters.
    Cameras Canon T3i with a Baader Mod., Canon 600D no Mod, Mini 50 SSAG, NexImage 5.

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    Default Re: Filter placement in QHY filter wheel.

    Quote Originally Posted by Rcoggins View Post
    Thanks Scott,

    I have downloaded the installation software from QYH and the computer recognizes that the camera is there under devices but no software will talk to it.


    YIPEE, I got EZCAP to work. I had downloaded an incompatible version. I am now running the camera through capturing some 300 sec -10C darks Bin 1X1 to start my library and to make sure the camera is working. It about 76° F in my house right now and the TEC is running at 29%. The first frame just downloaded and the chip does have a few hot pixels that are showing up but that is to be expected.
    Hondo likes this.
    Richard

    Equipment Observatory : Sky Shed Pod XL5.
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    CCD QHY9, CFW2-S, 36mm Astronomik LRGB & 12nm Ha, SII, OIII filters.
    Cameras Canon T3i with a Baader Mod., Canon 600D no Mod, Mini 50 SSAG, NexImage 5.

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    Default Re: Filter placement in QHY filter wheel.

    Congratulations on the new camera and filter wheel!
    Clear Skies, Marco
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    Default Re: Filter placement in QHY filter wheel.

    Ok,

    Here is another question of many I know I will have. I'm creating a darks library and just took 20 darks at 300 sec bin 1X1. Do I also need to create another set of darks at 300 sec Bin 2X2 if I image in 2X2 or will the 1X1 darks work for all images I take at 300 sec -10°C?

    Thanks,
    Richard

    Equipment Observatory : Sky Shed Pod XL5.
    Scopes Celestron CGEM DX, AVX, Celsetron 9.25 SCT, SW ProED 80, Orion XT12G.
    CCD QHY9, CFW2-S, 36mm Astronomik LRGB & 12nm Ha, SII, OIII filters.
    Cameras Canon T3i with a Baader Mod., Canon 600D no Mod, Mini 50 SSAG, NexImage 5.

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    Default Re: Filter placement in QHY filter wheel.

    Nope, if you bin lights then you bin darks, bias, and flats. Wait until you try to stack and you have a gazillion calibration files to go along with your LRGB files and let's add in some NB frames too! Yep, you are gonna have lots of fun!
    This used to be a great place to hang out but now it is not safe here anymore.

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    Default Re: Filter placement in QHY filter wheel.

    Thanks Scott. That's what I figured, just wanted to double check. At least I can get something accomplished while I'm waiting on the adapters and spacers to come in.
    Richard

    Equipment Observatory : Sky Shed Pod XL5.
    Scopes Celestron CGEM DX, AVX, Celsetron 9.25 SCT, SW ProED 80, Orion XT12G.
    CCD QHY9, CFW2-S, 36mm Astronomik LRGB & 12nm Ha, SII, OIII filters.
    Cameras Canon T3i with a Baader Mod., Canon 600D no Mod, Mini 50 SSAG, NexImage 5.

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    Default Re: Filter placement in QHY filter wheel.

    Can any of you recommend a USB hub that will work well with this setup and not cost me an arm and a leg? I only have three USB ports on my laptop and I will obviously need more than that with the addition of the filter wheel and the new focuser I have on order?
    Thanks,
    Richard

    Equipment Observatory : Sky Shed Pod XL5.
    Scopes Celestron CGEM DX, AVX, Celsetron 9.25 SCT, SW ProED 80, Orion XT12G.
    CCD QHY9, CFW2-S, 36mm Astronomik LRGB & 12nm Ha, SII, OIII filters.
    Cameras Canon T3i with a Baader Mod., Canon 600D no Mod, Mini 50 SSAG, NexImage 5.

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    Default Re: Filter placement in QHY filter wheel.

    Richard:

    I use this one:

    http://www.amazon.com/dp/B003AVPUZG/...artech+usb+hub

    It's not cheap, but is very good and most important to me is the ability to use screw lock cables.

    Tim
    Celestron 1400HD on a CGE Pro mount. QHY 10 OSC. Modded Canon T2i. Celestron OAG,
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