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StarNet testing (Soul Nebula) - Mac OS X 10.14.5

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A big thanks to PhotoGav who posted some simple to follow instructions on how to use the stand-a-lone software earlier in his M27 thread.

I'll post again, but add that any file names must NOT include spaces. You can instead use a '_'.

If (as I do do), you embed your RGB files with a colour profile upon saving, that appears to be fine.


How to get the standalone Starnet version to work on the Mac
1. Download the latest version of Starnet for Mac OS from here:


2. Unzip the folder and place it on your Desktop

3. Save the image that you want to make starless as a 16 bit mono or RGB .tif file

*****DO NOT use spaces in file name, instead use _

4. Place the file in the Starnet folder on your desktop

5. Open Terminal and navigate to the Starnet folder, copy this command:

cd ~/Desktop/StarNet_MacOS           - into Terminal and hitting Enter

6. Open in Text Editor either the file:




depending on whether you are working with a mono or RGB file and edit the filenames in there to be the filename of the file that you want to make starless

Save the txt file above in part 6, then....

7. Drag either 'run_mono_starnet.sh' or 'run_rgb_starnet.sh' onto the Terminal window and you should see the path of the the file appear

8. Make sure that Terminal is the uppermost window and hit enter - Program will run (this can take a while!)

9. When it's finished doing its magic, go to the Starnet folder, open up the _s version of your file and be amazed at the results!


I am (amazed), thanks again Gav for posting!

Some examples from playing around late this afternoon... the starless colour and mono images straight out of StarNet, no extra processing.

I still prefer my images with an embedded star field, but this should be great fun and be rather useful whilst processing...






The Ha data



Edited by TakMan
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