By Dr Ski | Valencia Observatory, Central Philippines

By kevin saragozza | Siracusa Plemmirio

By Kevin Saragozza | Siracusa Plemmirio

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By Stephanie Longo | Woodland Park Colorado USA

By Gadi Eidelheit | Israel

By Raul Cortes | Monterrey, Mexico.

By Joel Weatherly | Edmonton, Aberta, Canada

By Joel Weatherly | Edmonton, Aberta, Canada

By Hassan Dadashi.arani | Esfahan.iran

By Hassan Dadashi.arani | Esfahan.iran

By Chuck Reinhart | Vincennes, Indiana

By Merry Cox | Salida CO