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In this paper,various aberrations have been analyzed.Not only the effects of aberration on geometrical center position are taken into account,but also the deviation of displayed star position energy center caused by aberration is analyzed.These two aspects have been taken into comprehensive evaluation and star position correction.The correction method based on polar coordinates is proposed,and cumbersome partition correction and calculated quantity based on two-dimensional coordinates can be simplified.The experimental results show that the correction processing based on polar coordinates is simpler and easier compared with any other correction methods.In addition,the correction results are significantly more accurate.
In this paper, various aberrations have been analyzed. Not only the effects of aberration on geometrical center position are taken into account, but also the deviation of displayed star position energy center caused by aberration is analyzed. and star position correction.The correction method based on polar coordinates is proposed, and cumbersome partition correction and calculated quantity based on two-dimensional coordinates can be simplified. The experimental results show that the correction processing based on polar coordinates is simpler and easier compared with any other correction methods.In addition, the correction results are significantly more accurate.