By Emma Monica Andrici | Kolding Denmark

By James Figge | Delmar, NY, US

By Dr Ski | Valencia, Philippines

By Steven Sweet | Mississauga, Ontario Canada

By Natalie Townsend | Big Spring, TX

By Kaliannan Shanmugasundaram | Soeng sang , Nakhon Ratchasima ,Thailand

By MC "Duck" Grobbelaar | Estcourt, KZN, South Africa

By Dr Ski | Valencia, Philippines

By Patrick Ivicic Ciriaco | Club de Astronomia Los Robles, Venezuela

By Frank Lu | Arlington, Texas, USA

By Deirdre Horan | Dublin, Ireland

By Deirdre Horan | Dublin, Ireland.

By Sandy Steinman | Berkeley, CA

By Joel Coombs | Gold Butte National Monument, Nevada

By Richard T Hasbrouck | Truchas, New Mexico

By David Roberts | Mount Rainier, Washington