JohnP_1

  1. Bodes & Cigar Galaxies

    by , 03-04-2017 at 01:27 AM
    Hi Val. A very nice rendition! Well done.

    I tweaked this version a bit. I don't know what tool you use to process other than PS. With very large DSLR images, you are very likely over-sampling your targets due to the local seeing conditions. (The image scale of your imager and OTA should be around 1/2 of your local seeing conditions). With the size of your images, they will benefit significantly from software-binning the image.

    I software-binned the image using ...
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  2. M31 reprocess - StarTools

    by , 02-01-2017 at 01:18 PM
    I forgot to mention that I did raise the gamma a smidge before the final step. Sorry I forgot to mention that.

    Quote Originally Posted by JohnP_1 View Post
    Here is what I came up with. Note that I first convert the jpeg to a 16 bit image removing the jpeg artifacts. Also, I included a snapshot of when I adjusted one of the color curves to give you an idea of what I'm talking about. With the Carboni actions for PS, I edited all or most of them to delete the conversion to 8 bit mode that he included in most. I only convert
    ...
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  3. Take 2 - A multi night journey with Andromeda

    by , 01-04-2017 at 03:01 PM
    I decided that this version deserved a place on my signature line.

    Quote Originally Posted by JohnP_1 View Post
    Here is a re-stretched version.

    Earth Science?-m31.rgb.st-copy.jpg
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  4. IC 1805, The Heart Nebula in Ha

    by , 10-20-2016 at 01:28 PM
    Scott,

    I dug into this a little bit after my post and realized that you would need to use a DSLR or larger CCD sensor than the Atik to make a 3 panel mosaic happen. A 6 panel mosaic can work though with the Atik as your main camera. My example from last fall is below.

    members/johnp_1-albums-deep-space-1-picture121055-heart-soul-nebula-ic-1805-they-appeared-over-eagle%92s-nest-saturday-night-11-14-15-around-9-30pm-mosaic-constructed-4-panels-integrated-5-6-x-300s-subs-iso-1600.jpg


    Quote Originally Posted by JohnP_1 View Post
    Nice one Scott. I managed a mosaic of this area with three panels last fall after
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  5. M31 revisited

    by , 09-27-2016 at 10:28 PM
    This is what I was referring to with the donut stars...

    Telescopes: Using Binoviewer with a Dobsonian?-cheerios-m31.jpg Telescopes: Using Binoviewer with a Dobsonian?-andromeda-panel-5.st_filtered.jpg

    Quote Originally Posted by JohnP_1 View Post
    Yes indeed, Focus Magic Vs. Unsharp Mask with Examples - Focus Magic. Check out the tutorial too.

    I used it on some preliminary images (300s and 60s) of M31 that I took early Monday morning. To my surprise the stars were all little donuts, complete with a hole in the middle. Normally I would toss them (and I would for a final integration),
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