By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By Kannan A | Woodlands, Singapore

By Hassan Dadashi.arani | Esfahan.iran

By Dr Ski | Valencia Observatory Garden, Philippines

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | Valencia Observatory Garden, Philippines

By Dr Ski | Valencia Observatory Garden, Philippines

By Burichel Eduardo | Gravatá, Brazil

By Kelly Mcgourty | High.barnet EN5

By Suzanne Kelley | Denver, Colorado, USA

By Wally Roth | Nanaimo, BC, Canada

By Eyad Khailany | Erbil, Iraq

By Eyad Khailany | Erbil, Iraq

By Joseph Frohnhhofer | Canton Mi.