By Marek Nikodem | near Szubin, Poland

By Raul Cortes | Monterrey, Mexico.

By Raul Cortes | Monterrey, Mexico.

By Wendy Drucker | Seattle, WA, USA

By Raul Cortes | Monterrey, Mexico.

By Bill Oswald | Idaho

By Rob Williams | McSherrystown, PA

By Dr Ski | Valencia Observatory, Central Philippines

By Dr Ski | Valencia Observatory, Central Philippines

By Alexander Krivenyshev | West New York, NJ

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | 9.3°N, 123.3°E

By Hassan Dadashi.arani | Esfahan.iran

By Charles White | Keystone Heights, Florida U.S.A.

By Patrick Prokop | Savannah, GA