RegiStar tutorial on how to reduce image noise

RegiStar tutorial on how to reduce image noise

Astrophotography How To Reduce Image Noise With RegiStar
Astrophotography How To Reduce Image Noise With RegiStar

In this tutorial I will show you how to reduce image noise with RegiStar by stacking your astrophotography photographs.

RegiStar is a one-of-a-kind program that fully automates the task of aligning digital astronomical images. It shifts, rotates, flips, and deforms as needed to precisely align images, even if they are at different scales or orientations or have been produced with different optical systems. RegiStar works on digital or film images, automatically rejecting noise including hot pixels. It can register all images in a directory with a single command, and has other powerful batch-processing capabilities.

After two or more astrophotos have been aligned , they can be combined in various ways. Small images can be stitched together into a mosaic, photos can be stacked to improve image quality, or high-resolution tricolor images can be formed. The software includes tools to form these composites, and also provides for images it registers to be assembled and manipulated using other programs.

The once tedious process of accurately registering astronomical photographs is now just a matter of a single mouse click. With image alignment this easy, it will also change the way you do astrophotography.

 

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