WASET
    R. Suszynski and  K. Wawryn and  R. Wirski,  2D Image Processing for DSO Astrophotography.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 848 - 852
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/2656.