Digital Image Works

The wide benefit of digital image are also spread in astronomic, might be it was first being used in here as a supportive software. Stacking & aligning: A process of combining all subs into one with specific algorithm, resulting in one photograph with the exposure duration equivalent with the exposure duration of each subs times the total of subs that has been made. If it is necessary, during the shooting, you can take darks, flats, and offset to increase the quality of a photograph resulted from stacking process.

Gradient removal/sky background flattening Besides information about the main object, other information is recorded too, namely light pollution which is represented by the gradation of dark to bright on the background. This process aims to erase or minimize the gradation as a consequence of light pollution and vignette.
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