JohnP_1

  1. 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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  2. 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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  3. 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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  4. What Subs Scores To Discard in DSS?

    by , 09-23-2016 at 01:23 PM
    Quote Originally Posted by seigell View Post
    Trust DSS's Scoring System and simply look at the Images with lowest Scores.
    Your saying that the "lowest" score is considered higher quality overall. That is similar to how Nebulosity does it's ranking, however, I have always been perplexed that DSS sorts the images from highest to lowest. Do you know where this is documented so I can read about it? Thanks
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  5. Need help in indetification!

    by , 07-28-2016 at 05:26 PM
    Thanks for catching the math-error. Some people use the more generous equation of 500/focal_length, which is what I started with before correcting that part of my sentence. That's what I get for typing too fast.... - John

    Quote Originally Posted by STEVE333 View Post
    Hi Bill(?)

    Your mount is a manual mount which means wherever you point it, that is where it keeps looking. Unfortunately, the targets you want to image are all moving (because they are stationary, but, the earth rotates once per day).
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