Image-Processing with IRIS

6. Stacking the Images

To stack the images, run the command add_norm i_pregistered 5. This command adds and normalizes (adjust to an appropriate level) the images with generic name i_pregistered1 up to i_pregistered5.

As soon as you hit enter, the screen will display images being stacked one after another. Use the THRESHOLD sliders to display the image properly, as sometimes, especially when adding many images, it will be too bright. The stacked image should look clearer with less noise.

Night Sky in Focus | Astronomy and Amateur Radio
© Anthony Urbano | Manila, Philippines

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