Galaxy rising, part two
April 2013: Here's a second way to put the Andromeda Galaxy or any other celestial image right where you want it.
Contributed by Tony Hallas
Published:
February 25, 2013
In last month’s column, I showed you how to bring in the image of the arch on top of the Andromeda Galaxy (M31) as a layer, select the blue sky, and delete it from the stack. This process allowed us to see M31 underneath.
Now let’s go about this in a different way.
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