Key combination CTRL+SPACEBAR and the mouse left button activate Zoom In Mode. While CTRL+SPACEBAR are down we can click to enlarge. The point where it makes the click will be centered in the image windows. We can also click and drag to define a zoom box.
CTRL + SPACEBAR + click
Your donation helps to keep PixInsight Resources fresh and updated. If you liked the site, you may want to invite us a coffee : ) Thank You!