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bus_ter

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Blog Comments posted by bus_ter

  1. 7 years. Where did that go!

    I've just dug all my old kit out and trying to remember how it all works.

    I'm surprised to see the Neximage 5 is still being sold by Celestron (at an increased price!).

    I would have expected sensor technology to have moved on in that time, it's come along leaps and bounds in the mobile phone world.

    Anyway I'm back after my interlude.

  2. From an email I sent.. thought there might be something useful.

    -------------------

    Sorry for the delayed reply. I'll tell you what I've discovered so far.

    Normally I use sharpcap, however the binning mode didn't seem to work, so I have been using icap so far.

    The first thing I needed to change was the white balance values. I adjusted to get the gaps between the bands to look whiteish.

    Unselect Auto whiteBalance and start with values like: R=79, G=47, B=68. I left colour enhancement turned on.

    I use gain somewhere around 40-50, and then adjust the exposure to get Jupiter looking well exposed. (something like 1/34 - 1/15)

    I've been using Format Avi, and DV Video Encoder, however I haven't experimented with the compression tyres yet. Let me know what works best for you.

    Resolution I've been using either 640x480 without a barlow, or with a 3x barlow using 640x480 with 4x binning. The latter giving best results. I haven't been able to use the barlow without the binning and higher resolutions. I can't get a good enough image. I suspect the higher resolutions will work well for lunar imaging though!

    Let me know how you get on and what settings have worked best for you!

    Further regarding compression settings..

    If you goto Record Video File -> Settings -> Video Compressor You can select uncompressed and then RGB32. That's probably going to produce the best image, but large file sizes. However I haven't experimented.

  3. My limited experimentation so far is that I get the best results running a 3x barlow in 4x Binning mode. Running without a barlow in normal 640x480 works ok too. I've struggled to use the barlow and increase the resolution behond 640x480 and achieve good results. I think the higher resolutions will come into their own when Lunar imaging. I think this will make a fantastic camera for the Moon.

    I also found you need to manually set the White balance and play with the R G B channels to get nice colours as above. Try to get the gaps between the bands white and the rest of the colour works out.

    Please let me know how you get on.. You're the only other person on this board I know who also has one of these cameras!

  4. I think there's some good potential with these cameras. I need to experiment more with all the different resolutions and Binning options available. I can't even remember what setting I used for this one??

    Make sure you nail your focus and collimation. You need to get these as spot on as possible to get the details.

  5. I've just bought one of these. Still waiting for a clear night! Have you experimented with 'Binning' and 'Roi' yet? There are so many settings on this thing compared to my old webcam I don't know where to start.

    By the way I've modified mine with the DFK72 firmware (It's just a rebranded Imaging Source DFK72), anyway it gives more options including Long Exposures. When running in 5MP mode with a long exposure it might be able to produce some half decent DSO images..

    PS - I have the same scope, so we should be able to get comparative results.

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