By Ahmed khater | Kottamia Astronomical Observatory, Egypt

By Jim Militello | Tucson, Arizona USA

By ROBERTO BURKLE | Playa del Carmen, Quintana Roo, México

By Muafak Bisher | Desert of Negev

By Yasir Ali Awan | Rawalpindi

By Hassan Dadashi . Arani | Chaharmahal and Bakhtiari province. Iran

By Michael Rowles | Henderson, Maryland, USA

By Muhammad Bilal | Talagang Punjab Pakistan

By Mario Rana | Hampton, Virginia

By Paolo Bardelli | Liland (Evenes, Norway)

By Steven Bellavia | Mattituck, NY

By Saqlain Haider | Pattoki, Punjab, Pakistan

By Steve Price | Draper, UT

By Hassan Dadashi . Arani | Chaharmahal and Bakhtiari province. Iran

By Chuck Reinhart | Vincennes, Indiana

By Patricio Leon | Santiago, Chile