Emerging Technologies in Computing. Second International Conference, iCETiC 2019, London, UK, August 19–20, 2019, Proceedings

Research Article

Analysis Filling Factor Catalogue of Different Wavelength SODISM Images

  • @INPROCEEDINGS{10.1007/978-3-030-23943-5_23,
        author={Amro Alasta and Mustapha Meftah and Rami Qahwaji and Abdrazag Algamudi and Fatma Almesrati},
        title={Analysis Filling Factor Catalogue of Different Wavelength SODISM Images},
        proceedings={Emerging Technologies in Computing. Second International Conference, iCETiC 2019, London, UK, August 19--20, 2019, Proceedings},
        proceedings_a={ICETIC},
        year={2019},
        month={7},
        keywords={SODISM Sunspots Wavelengths SOHO PICARD Filling Factors catalogue},
        doi={10.1007/978-3-030-23943-5_23}
    }
    
  • Amro Alasta
    Mustapha Meftah
    Rami Qahwaji
    Abdrazag Algamudi
    Fatma Almesrati
    Year: 2019
    Analysis Filling Factor Catalogue of Different Wavelength SODISM Images
    ICETIC
    Springer
    DOI: 10.1007/978-3-030-23943-5_23
Amro Alasta1,*, Mustapha Meftah2,*, Rami Qahwaji1,*, Abdrazag Algamudi1,*, Fatma Almesrati1,*
  • 1: University of Bradford
  • 2: French National Centre for Scientific Research
*Contact email: Amr_hard@yahoo.com, Mustapha.Meftah@latmos.ipsl.fr, R.S.R.Qahwaji@bradford.ac.uk, gamudi@yahoo.com, enas199990@yahoo.com

Abstract

The Solar Diameter Imager and Surface Mapper’s (SODISM) recording of data on the PICARD satellite in five different wavelengths has increased the need to extract features such as Sunspots. This paper analyses the overall sunspot detection performance, examines the correlation between the filling factor of different SODISM wavelengths and the Solar and Heliospheric Observatory (SOHO) filling factor, and compares them with the USAF/NOAA catalogue. Four months of data from SODISM and SOHO, obtained for the period Aug–Dec 2010, are analysed and compared. This comparison identifies the best wavelength for sunspot detection in SODISM, and compares the overall detection performance of three wavelengths; 535.7 nm, 607.1 nm and 782.2 nm. Furthermore, the study proposes a novel SODISM catalogue summarising SODISM data details including the Filling Factor, area, and the number of sunspots.