Hadia Selim
National Research Institute of Astronomy and Geophysics, Cairo, Egypt
Inald Hassan
Astronomy Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
Mohamed Nader Ismael
Astronomy Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
Abdelaziz Bakry
Astronomy Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
Elbaz Abouelmagd
Astronomy Department, National Research Institute of Astronomy and Geophysics, Cairo, Egypt
Mohamed Radwan
Astronomy Department, Faculty of Science , Cairo University, Cairo, Egypt
Magdy Hannah
Astronomy Department, National Research Institute of Astronomy, Cairo, Egypt