JohnP_1

  1. The Rosette nebula - a rose like none other

    by , 01-28-2019 at 12:02 PM
    Quote Originally Posted by CamelHat View Post
    Really good image John! Let me get this straight: you used only 35 minutes integration time, with what sensor? The Atik383+ OSC? I need to get me one of those...
    Here is a screen shot of a lightly stretched original frame. No preprocessing steps were taken on this image, and the light pollution is still evident. I performed an adaptive bin within Nebulosity and DDP stretch with some curve manipulation. No NR applied to this frame. During preprocessing of the posted image, ...
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  2. M31, the Great Andromeda galaxy (2 hr, 45min)

    by , 12-19-2018 at 02:19 PM
    Thanks. I will take a look at a version with less contrast. I tried not to clip the background directly though the whole process. Some tools, such as some in StarTools can knock down the background glow too much.

    I like your version too.

    Quote Originally Posted by mbenjamin View Post
    John, I'd like to see this image with the background not clipped so much. Take a look at mine that I just posted for comparision.
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  3. Triangulum galaxy (M33) -- 3 days, 2 cameras, 3 hours

    by , 11-22-2018 at 02:04 AM
    Thanks for your comment.

    I posted this when the forum was acting us, so I wasn't able to pin an image to the thread. Is it possible to pin the image that I attached to the thread a few posts ago to the image header?

    John

    Quote Originally Posted by kingclinton View Post
    Great image John, plenty of work getting all that data to mix well!
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  4. The Witches Broom (aka, the Western Veil nebula)

    by , 10-08-2018 at 12:41 PM
    This is a very busy area of the sky for sure. The number of stars can overwhelm the photo, especially if they are slightly out of focus or allowed to bloom in the camera. The Atik is supposed to prevent the blooming and I explained the use of the cutoff filter.

    The clouds rolled in around 12am, which shut me down. My Clear Sky forecasts was useless all weekend. I usually compare it to that from Intellicast. Being by the water can add challenges associate with fog too. My temperature ...
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  5. M45- multi day

    by , 10-01-2018 at 12:30 PM
    For some reason my Flickr link appears broken, while it was working earlier. I will look into it when I can.

    Quote Originally Posted by JohnP_1 View Post
    Thanks Scott,

    I turned up the backlight and I see what you mean by the purple hue. I tweaked the color temperature and saturation a bit.

    John

    Click image for larger version. 

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    PS> I am going to replace the Flickr version with the new one, so the hue will mostly be evident in the forum hosted frame.

    Quote Originally Posted by Hondo View Post
    Nicely
    ...
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