By Kevan Hubbard | Westerton, Co Durham, England

By Param Sharma | Marshfield, WI, USA

By Barry Medlin | Moody AFB, GA

By Ragini Chaturvedi | NJ, USA

By Radu Anghel | Bulgaria

By Kannan A | Singapore

By Hassan Dadashi . arani | Qazvin . Iran

By Nancy Reeves | Emerson GA

By Debbra Mungo | Florence,Az

By Lisa Ann Fanning | Cape May, NJ

By Roberto Ortu | Cabras, Sardinia, Italy

By Mario Rana | Hampton, Virginia

By Peter Lowenstein | Mutare, Zimbabwe

By Michael Beller | Colbert, WA USA

By Hassan Dadashi . arani | Qazvin . Iran

By Mohamed Farouk | Kottamia Astronomical Observatory, Egypt