New user(s)

[oldwexi]

Hi, i am a new user of Pixinsight since March of this year.
Your video tutorials are a great help to jump into the new world of PixInsight.
We, my friend Franz Gruber and I, 2 new users from Austria, exercised together very intensive the last 2 month the usage of
this program.  It is fun for us to explore daily the for us hidden treasures.

Now the first images made only with PixInsight and our basic knowledge are visible:
NGC5907:

http://www.werbeagentur.org/oldwexi/gallery_deepsky/NGC5907_01c.jpg

NGC4725: (with a little PS usage to darken the background)

http://www.werbeagentur.org/oldwexi/gallery_deepsky/NGC4725_1530x1050.jpg

One of many questions we want to raise this time:
When using deconvoution for example to round stars or make them a little smaller everything works fine
except: we are getting dark centers in the larger and brighter stars.
Does anyone have a hint which parameters we should use in the deconvolution process to keep the center of the
stars bright?

Gerald
P.S.: we are also trying to build on our clubs homepage a german version of image processing steps
        using PixInsight based on existing english tutorials. We are using our own images and hope there is no problem with this action.
        http://www.alrukaba.at/cms/front_content.php?idart=932
        http://www.alrukaba.at/cms/front_content.php?idart=933
       

[Carlos Milovic]

>Does anyone have a hint which parameters we should use in the deconvolution process to keep the center of the
>stars bright?

You have to play with the deringing parameters, specially for dark features. Also, you would benefit a lot from a simple luminance mask (to protect the brightest stars only).

[Jack Harvey]

Yes, perhaps make a star mask that is inverted.  By working some you can do only the larger stars.  Between that and deringing as Carlos says that should do it.  Glad to have you aboard.

[oldwexi]

Thanks Carlos, Thanks Jack!
According to your advice we will try today to improve the stars with mask and deringing...

Gerald