Dithering with the ASIAir Plus & EQ6-R Pro
A great tutorial on the importance of DITHERING.
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Dithering is a great way to reduce walking noise patterns and color mottle from your astrophotography images. Provided you have an auto-guider, Go-To Mount, and the proper software (in this case the ASIAir), you can do dithering quite easily.
Dithering just moves your camera and telescope very slightly in a random direction between each exposure. This random movement will help to remove distracting noise problems from your final image. Since the stars all need to be re-aligned during stacking, this should smooth out the color mottle splotches and walking noise patterns, leaving you with a noticeably cleaner image.
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