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Thread: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

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    Default PGCC Dusty Nebulae in Lacerta (not in major catalogs)



    Here is an image of some extensive dust structures (molecular clouds) that do not appear to have made it into any major catalogs (at least that I can see). The Simabad Database identifies these dust clouds in the recently compiled Planck Galactic Cold Clump (PGCC) catalog. The series of clouds ranges diagonally from lower left to upper right across the image.

    In addition to the molecular cloud structure there are a number of kind of interesting background galaxies - including NGC 7223. Image and details are accessible from the link below. For convenience I have also provided a link to the annotated image below (also accessible from the main image page). I also have an original size view on Flickr for viewing finer detail).

    I should also mention that I am starting to use PixInsight in my processing. Most of this image was processed in PixInsight except for the annotation image and final touch up in Photoshop.

    (thumbnail image only)

    (link to main webpage)

    Annotated image:
    http://www.jthommes.com/Astro/images..._annotated.jpg

    Original Size image on Flickr (for detail view):
    https://www.flickr.com/photos/124400...39968/sizes/o/

    Scope: FSQ-106N at f/5
    Camera: Atik 383L (Astronomik Gen 2 Ha LRGB Filters)
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    Default Re: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

    Nice work as always! Love the colors. I was able to open the links by right clicking and open a new window.

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    Default Re: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

    Very nicely done ... and wonderful to be exposed to a part of the sky I will probably never see otherwise.

    Joe
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    Default Re: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

    Nice work Jim. I was also thinking of making the switch to PixInsight, how do you find it so far?
    Scott, My
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    Default Re: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

    Beautiful image Jim.
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    Default Re: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

    Hello Jim,

    thank you for sharing this amazing capture of the cold clumps of the molecular cloud in Lacerta,

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    Default Re: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

    Thanks for the comments folks.

    Quote Originally Posted by Hondo View Post
    Nice work Jim. I was also thinking of making the switch to PixInsight, how do you find it so far?
    Scott, thanks for the comment. I just started working with PixInsight. It works well for me. I particularly like the subframe calibration, registration, and integration. I also think that the registration (with distortion and local skew) really gets all of the stars across the image well aligned. Channel combination and LRGB processing is really good in my opinion, but I haven't done anything yet with Ha data (or other narrow band data).

    The PixInsight tools are really top notch, but they are somewhat non-intuitive with limited documentation. There are 3rd parties that have done nice tutorials. I found I had to make extensive use of them. I usually spend 3-6 hours processing, plate solving, annotating and so forth with an image set. This first image with PixInsight easily took 10 times that with learning curve and all. You have to do a lot of experimentation with the tools to get up to speed with them. I expect my next image will take far less time and I hope to get to the point where I am taking less time than before PixInsight. It probably doesn't show in this first image, but I do expect higher quality processed images for an outcome.

    I am still using Photoshop for image finishing (removing any remaining defects), cropping, and annotation. I have not seen how to do this efficiently in PixInsight. While in PS, I do my JPEG compression rather than going back to PixInsight to do it.
    dmdmtr and Hondo like this.
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    Default Re: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

    Looks amazing!! Great work, Jim! Thanks for sharing.
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    Default Re: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

    Nice one Jim. Lovely colorful star field along with the dust cloud. Nice processing the way you brought out the cloud.

    As always, thanks for the nice background information. You must be a "walking encyclopedia" by now when it comes to AP targets.

    Steve
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    Default Re: PGCC Dusty Nebulae in Lacerta (not in major catalogs)

    Marius, Steve,
    Thanks for the comments.

    Quote Originally Posted by STEVE333 View Post
    Nice one Jim. Lovely colorful star field along with the dust cloud. Nice processing the way you brought out the cloud.

    As always, thanks for the nice background information. You must be a "walking encyclopedia" by now when it comes to AP targets.

    Steve
    Steve, Simbad and NED are great databases - coupled with the Aladin tool, the databases are visualized simply and straightforwardly. So its mostly data mining and then projecting onto my images. I just wish I had an astrophysics background to help me make sense of it all.
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