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Thread: Rosette Nebula

  1. #1
    mhorbacz's Avatar
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    Default Rosette Nebula



    I shot 20x300sec subs of the rosette nebula the other night. Calibrated with flats and bias. I had a hard time managing the "mystery gradient" I have previously posted about without startools wiping out parts of the nebula. This is the result of my best effort:

    Rosette Nebula.JPG

    Not a real looker by any means.

    I was hoping you guys could take a shot at it and see what more can be pulled out of it. I am definitely getting better at post-processing but still have a lot to learn! Link to .fts file below

    https://drive.google.com/open?id=1md...KvNkeMo4m-_YgN
    Peppy2, Mark Moyer, 10538 and 6 others like this.
    The Potato In The Sky
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    Default Re: Rosette Nebula

    Can you post your StarTools log?
    carter2002 likes this.
    Scopes: ES ED80 mm APO Triplet | Lenses: Canon 18-55mm f5.6, 50mm f1.8, 50-250mm f5.6
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    Default Re: Rosette Nebula

    What filter did you use on this?
    carter2002 likes this.
    Dave
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    Default Re: Rosette Nebula

    No filter. I don't have a startools log bc I did this in the demo version. Although I have the license now so I can try redoing it
    The Potato In The Sky
    Scopes: ES80 APO triplet, Orion 130EQ ST
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    Default Re: Rosette Nebula

    Still a beautiful sight to me, thanx for posting. johnnyb
    johnnyb - Orion XT10G, ES 62 degree 9mm, ES 82 degree 18mm, Celestron Skymaster 20x80 binocs, Celestron Skymaster 12x60 binocs, Simmons 10x50 binocs, Nikon D90 DSLR with an assortment of lenses and a wide plethora of questions.

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    Default Re: Rosette Nebula

    Just a quick stretch in PI and it looks like the no flats were applied. The data under neath looks good once I can remove what the flats should have fixed.
    Skywatcher Esprit 100, Skywatcher Pro 120ED, Explore Scientific 80 CF APO, Meade ETX90, Celestron GT 120mm, Celestron C8, Astromania 60mm Guidescope, Celestron AVX Mount, Orion Atlas Mount, Explore Scientific Twilight 1, QSI 683 WSG, Astrodon Filters(LRGB and 3nm), Canon T3i & XSi(XSi is a full mod), ZWO ASI 120MC & ZWO ASI 120MM-S (with LRGB Filters) as well as for the daytime a Lunt 35mm Ha Solar Telescope, Lunt 1.25 Hershel Wedge, and White Light Filters

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    Default Re: Rosette Nebula

    I'm not AP inclined so I can't offer any advice but it looks pretty dang beautiful to me! My wife agrees!
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    Default Re: Rosette Nebula

    I tried quickly in Startools and I couldn't get near what you have....looks like you are doing good! Lol ( that's why I wanted your log lol)…...
    mhorbacz likes this.
    Scopes: ES ED80 mm APO Triplet | Lenses: Canon 18-55mm f5.6, 50mm f1.8, 50-250mm f5.6
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    Default Re: Rosette Nebula

    Sorry forgot to include the stretched image, I really think something went wrong with the flats there is a strong circular gradient in the center. can you post a flat that you applied?
    Rosette.jpg
    Skywatcher Esprit 100, Skywatcher Pro 120ED, Explore Scientific 80 CF APO, Meade ETX90, Celestron GT 120mm, Celestron C8, Astromania 60mm Guidescope, Celestron AVX Mount, Orion Atlas Mount, Explore Scientific Twilight 1, QSI 683 WSG, Astrodon Filters(LRGB and 3nm), Canon T3i & XSi(XSi is a full mod), ZWO ASI 120MC & ZWO ASI 120MM-S (with LRGB Filters) as well as for the daytime a Lunt 35mm Ha Solar Telescope, Lunt 1.25 Hershel Wedge, and White Light Filters

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    Default Re: Rosette Nebula

    Quote Originally Posted by Christo View Post
    Sorry forgot to include the stretched image, I really think something went wrong with the flats there is a strong circular gradient in the center. can you post a flat that you applied?
    Rosette.jpg
    Yea I have been having a serious issue with my flats lately... I think it might be due to the fact that I am using a threaded 1.25" barlow as my t-adapter. Might be some internal reflections from the barlow. Planning on getting an AT2FF soon so hopefully that will fix the issue.
    The Potato In The Sky
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    Software: DSS, Startools, APT, PHD2
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