Can anybody recommend good Image Stacking software for Astro photography? [Was: Photoshop Elements]

can recommend image stacking software astro photography?

does adobe have 1 can not find anything.

i use photoshop elements 13

regards,

trevor

some information here:

https://www.google.com/search?q=image+stacking&oq=image+stacking&aqs=chrome..69i57j69i61&s ourceid=chrome&ie=utf-8#q=phot…

 

and here:

lightroom focus stacking

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