By Michael Flynn | Pine Mountain Club,California,USA

By Christoph Stopka | Westcliffe, Colorado. USA

By Victoria Bryhan | Corvallis, Oregon

By Hassan Dadashi Arani | Esfahan province. Iran

By Hassan Dadashi Arani | Esfahan. Iran

By Frank Lu | Arlington, Texas, USA

By Kevan Hubbard | Aysgarth,Yorkshire Dales National Park,England

By David Hoskin | Halifax, Nova Scotia, Canada

By Michael Teoh | Heng Ee Observatory, Penang, Malaysia

By Jean Ricigliano | Hillsville Virginia

By Bill Kozar | Columbus, Indiana. USA

By Adeel Shafiq | Lahore, Punjab, Pakistan

By Marcy Curran | Cheyenne, Wyoming

By Mario Rana | Hampton, Virginia

By Patricio Leon | Santiago, Chile

By Lorraine Boyd | Wappingers Falls, New York