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Thread: A Voyeur with a Telescope

  1. #1
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    Default A Voyeur with a Telescope

    Hi guys, I'm a long time Voyeur and also an Amateur Astronomer, so I am the (very) happy owner of a high-powered telescope. My telescope is hooked up with a CCD chip taken from a webcam and connected to my laptop to record footage. Luckly, I live in the 12th floor of an apartment building and I am able to position the telescope deep in my room. With the lights turned off, detection is virtually impossible.

    I created this thread to talk about the art of long distance voyeurism, anyone else here is a voyeur armed with a telescope?
    What's your setup? Where do you watch from?

    Also on a related topic, I wish to share my webcam feed with my fellow members, I just need a safe site from which to stream the naughtyness, anyone know a good one?
    fbanfi likes this.

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  3. #2
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    I think member voyvid has the experience with a telescope that you seek.

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    That's gonna be an interesting thread. Not that I have any experience in Telescopes, but i'll stay tuned anyway.

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    Yeah this sounds like interesting stuff jamesund. I started using a telescope about 15 years ago and got some amazing views, but it was before I would have the ability to record.

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    I am really interested in getting my HD camcorder hooked up to a telescope. I have some great windows to watch but the distance, even at 70X optical, leaves the images so blurry that there really isn't a lot of motivation to continue trying. I would love to hear more about this.

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    I'm in kind of a hurry now because I need to get to work. When I get home I'll post some pics I got from it and pics of my setup. Depending on the telescope, the images can be very sharp. Of course, since I'm using a 1.3 mp webcam, it's not the best in the world, but watchable anyway :P

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    Well here are the pics of my setup and also general information about how telescopes work.
    Also at the end a video I got from it :D

    First pic is the CCD chip itself on a Philips SPC900NC webcam. It's only 1.3 mp and I got it for astronomy use (highly praised webcam for astrophotography), so of course there are way better options.

    Second pic is the telescope itself. It's a 150mm Equatorial telescope made by SkyWatcher.

    Third pic is the webcam and the telescope attached. I removed the lens from the webcam (must be done to get the correct image without using an eyepiece on the telescope. In the case, the chip itself becomes the eyepiece.)
    I also used a special adapter for this webcam, and I also have a homemade adapter for a regular camera (if using a regular camera with non-removeable lenses, there must be an eyepiece attached to the telescope).

    The last pic shows the inside of the telescope with a 150mm primary mirror.

    In telescopes, what really gives you the magnification is the eyepiece. The formula to get how much magnification you will get is the focal lenght of the telescope (since the primary mirror is a parabolic mirror, the image comes into focus at a certain point. The distance between the mirror and this point is the focal distance) divided by the focal distance of the eyepiece you are using.

    The focal lenght of my telescope is 750mm. Using a CCD chip, the size of the chip is what actually determines your magnification. Almost all CCD chips will work as a 10mm~ eyepiece. With the formula, I get a magnification of 75x.

    Using the telescope and the CCD alone, that magnification is fixed and you gotta live with it, unless you attach a barlow (to increase magnification) or a focal reducer to decrease it.

    You also gotta keep in mind that every telescope has a limit, that is determined by the diameter of the primary mirror. In my case, the mirror is 150mm in diameter. To get the maximum theoretical magnification without losing quality, you just double that. In this case, 300x is the max I can go. Of course, when looking at windows, that's way more than you'll ever need, unless you're trying to look at someone in the neighbouring town.
    Attached Thumbnails Attached Thumbnails A Voyeur with a Telescope-img_0393.jpg   A Voyeur with a Telescope-img_0395.jpg   A Voyeur with a Telescope-img_0396.jpg   A Voyeur with a Telescope-img_0397.jpg  
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    hilocrc, fbanfi and jman242 like this.

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    Great info and holy shit great vid. How far away was that?

    I have seen adapter for vid cams to telescopes on the internet. Time to go shopping.

    Love to see more

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    very interesting! I see some pretty good results :-)

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    Very nice.

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