By Andy Dungan | Near Cotopaxi, CO USA

By Adeel Shafiq | Islamabad, Federal Area, Pakistan

By Peter Lowenstein | Mutare, Zimbabwe

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

By Aurelian Neacsu | Vișina, Dâmbovița, Romania

By Douglas Borcoman | Sedona, AZ

By Andrea Amici | Cingoli, Italy

By ANDY BENTLEY | Mountain View, CA, USA

By Rounak Mohanty | Cuttack, Odisha, India

By Laszlo Dombovary | Vancouver, BC

By Susan Jensen | Odessa WA

By Lynzie Flynn | Playa del Rey, CA

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