By Dr Ski | Valencia Observatory Garden, Philippines

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By Fred Walder | Marin Headlands overlooking San Francisco Bay and Bay Bridge

By Dr Ski | Valencia Observatory Garden, Philippines

By Dr Ski | Valencia Observatory, Central Philippines

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | Valencia Observatory, Central Philippines

By Hassan Dadashi.arani | Esfahan.iran

By Kannan A | Woodlands, Singapore

By Frank Lu | Arlington, Texas, USA

By Jim Bruzek | Dayton, MD

By Sherri Lyon | Hot Springs, Arkansas. USA

By Idriss Dhoparee | London, England