By Peter Lowenstein | Mutare, Zimbabwe

By K.Elizabeth Larsen | Victoria, BC , Canada

By Niko Powe | Kewanee Illinois

By Dr Ski | Valencia Observatory

By Dr Ski | Valencia Observatory

By Dr Ski | Valencia Observatory

By Mark Armstrong | Cumberland Island

By Deirdre Horan | Dublin, Ireland

By Deirdre Horan | Dublin, Ireland

By Marc Toso | San Rafael Swell, Utah

By Stephen Burt | Puerto Guadal, Chile

By kevan hubbard | Seal sands, Co Durham, England.

By ROBERTO PORTO | adeje, Tenerife, Canary islands, Spain

By kevan hubbard | Seal sands, Co Durham, England.

By Tanya Cefai | Qala, Gozo, Malta

By Patrick Prokop | Savannah, GA, USA