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Thread: Visible Galaxies

  1. #11
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    Default Re: Visible Galaxies



    Quote Originally Posted by Wispy View Post
    Could I take pictures of it via the telescope mentioned earlier up er
    It is a little more complicated than what I believe you envision, it is not point and shoot.

    You need to have the ability to take a long exposure. If you can control the exposure time with your camera (I'm not familiar with that camera but I believe it is only "point and shoot") that is one obstacle (of several) down.

    You need the ability of removing the camera lens, not taking a picture through an eyepiece (eyepiece projection, which is OK for simple lunar/planetary shots that your camera likely can do) to do prime focus AP through the scope, which is what you need for a picture of Andromeda, and likely your scope will NOT bring your camera to focus (if you can even do prime focus AP with the camera) as most reflectors will not because the primary mirror is too far from the focuser (astrographs made for AP don't have this problem).

    You need a tracking motor for your EQ mount.

    You need to have a very precise polar alignment, VERY PRECISE!!, which means you need to learn to do a drift alignment of the mount with a reticle eyepiece if you aren't already doing that.

    But if you have a tracking motor for the mount, learn to do a drift alignment, and get a DSLR (used is good), you can do wide field imaging (no scope, just a camera lens instead) and capture the Andromeda galaxy easily, and many, many things. This is much easier than imaging through a scope and your light weight mount is up to the task (which is another thing I didn't get into as your mount is too light to use for AP with your scope). This method of imaging is what I would usually recommend to start (although with a better mount) as it will teach you about polar alignment, image capture, exposure time, stacking, and processing in a much more forgiving way while rendering some very good results.
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  2. #12
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    Default Re: Visible Galaxies

    Quote Originally Posted by Ozman13 View Post
    It is a little more complicated than what I believe you envision, it is not point and shoot.

    You need to have the ability to take a long exposure. If you can control the exposure time with your camera (I'm not familiar with that camera but I believe it is only "point and shoot") that is one obstacle (of several) down.

    You need the ability of removing the camera lens, not taking a picture through an eyepiece (eyepiece projection, which is OK for simple lunar/planetary shots that your camera likely can do) to do prime focus AP through the scope, which is what you need for a picture of Andromeda, and likely your scope will NOT bring your camera to focus (if you can even do prime focus AP with the camera) as most reflectors will not because the primary mirror is too far from the focuser (astrographs made for AP don't have this problem).

    You need a tracking motor for your EQ mount.

    You need to have a very precise polar alignment, VERY PRECISE!!, which means you need to learn to do a drift alignment of the mount with a reticle eyepiece if you aren't already doing that.

    But if you have a tracking motor for the mount, learn to do a drift alignment, and get a DSLR (used is good), you can do wide field imaging (no scope, just a camera lens instead) and capture the Andromeda galaxy easily, and many, many things. This is much easier than imaging through a scope and your light weight mount is up to the task (which is another thing I didn't get into as your mount is too light to use for AP with your scope). This method of imaging is what I would usually recommend to start (although with a better mount) as it will teach you about polar alignment, image capture, exposure time, stacking, and processing in a much more forgiving way while rendering some very good results.
    That’s a doozy, but is it only difficult to get shots of Andromeda, or all galaxies in general?

  3. #13
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    Default Re: Visible Galaxies

    Also, my camera does have a setting that controls the shutter speed. However when I used it, the night sky was completely black, with not even stars to be seen from the display on the camera screen.

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    Default Re: Visible Galaxies

    Quote Originally Posted by Wispy View Post
    Also, my camera does have a setting that controls the shutter speed. However when I used it, the night sky was completely black, with not even stars to be seen from the display on the camera screen.
    Your camera is a point and shoot backyard family snap device. NOT designed for astrophotography and will not work for this very difficult type of imaging. If it was easy, everybody would be doing it. Review some images posted in the astrophotography section of this site and take note of the equipment used by the authors. Pay attention to the length of exposures and the type of camera and telescope used. Usually, a minimum of tens of minutes to hours of exposure are required.

    If this is something you would like to do, then be prepared to to take out a second mortgage.
    Steve
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    Default Re: Visible Galaxies

    Quote Originally Posted by Wispy View Post
    That’s a doozy, but is it only difficult to get shots of Andromeda, or all galaxies in general?
    Andromeda is likely the easiest to image, but as Steve said (and confirming my suspicions), your camera is not suitable for imaging galaxies or any DSOs.
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  6. #16
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    Default Re: Visible Galaxies

    Quote Originally Posted by Ozman13 View Post
    Andromeda is likely the easiest to image, but as Steve said (and confirming my suspicions), your camera is not suitable for imaging galaxies or any DSOs.
    Would a Canon DSLR be sufficient?

  7. #17
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    Default Re: Visible Galaxies

    Quote Originally Posted by Ozman13 View Post
    Andromeda is likely the easiest to image, but as Steve said (and confirming my suspicions), your camera is not suitable for imaging galaxies or any DSOs.
    Would a Canon DSLR be sufficient?

  8. #18
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    Default Re: Visible Galaxies

    Quote Originally Posted by Wispy View Post
    Would a Canon DSLR be sufficient?
    Absolutely! And many people decide to get a used one for much less and get very good results. Canon is generally preferred as there is a LOT of support for those cameras, although Nikon is starting to catch up, but still I would go with Canon.
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  9. #19
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    Default Re: Visible Galaxies

    Quote Originally Posted by bladekeeper View Post
    And here is a spreadsheet with a bunch of darn galaxies listed: For The Galaxy Hunter...
    That's a dandy list, Bladekeeper. I modified it for my latitude (ie: deleted all objects south of -37 degrees) and renamed it "Bladekeeper's Galaxy List (Modified)".
    j.gardavsky and bladekeeper like this.
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    Default Re: Visible Galaxies

    Quote Originally Posted by bladekeeper View Post
    And here is a spreadsheet with a bunch of darn galaxies listed: For The Galaxy Hunter...
    That's a dandy list, Bryan. I modified it for my latitude (ie: deleted all objects south of -37 degrees) and renamed it "Bladekeeper's Galaxy List (Modified)".
    j.gardavsky likes this.
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