By Dr Ski | Valencia Observatory Garden

By Hassan Dadashi.arani | Esfahan.iran

By Eliot Herman | Tucson, Arizona

By John Mowen | Los Alamos, New Mexico, USA

By Roberto Porto | adeje, Tenerife ,Canary Islands, Spain

By Idriss Dhoparee | Chemin Grenier /Mauritius

By Garth Battista | Gilboa NY, USA

By Garth Battista | Roxbury, NY USA

By Michael W. Holland Sr. | Lake Gibson-Lakeland, Florida

By Kannan A | Singapore

By Dr Ski | Valencia Observatory

By Kannan A | Singapore

By Kannan A | Singapore

By Paul Kimmelman | Wimauma, FL USA

By john washco | philly waterfront

By Kent and Carolyn Carlson | Horseshoe Park, Rocky Mountain National Park