By Patty Fine | Springfield, Illinois, USA

By Patty Fine | Springfield, Illinois, USA

By Patty Fine | Springfield, Illinois, USA

By Patty Fine | Springfield, Illinois, USA

By Eliot Herman | Tucson, Arizona

By Radu Anghel | Bacau, Romania

By Dr Ski | 9.3°N, 123.3°E

By Raul Cortes | Monterrey, Mexico.

By Raul Cortes | Monterrey, Mexico.

By Gadi Eidelheit | Israel

By Donna Collins | Santa Rosa Beach, FL USA

By Dr Ski | Valencia Observatory Garden, Philippines

By Dr Ski | Valencia Observatory Garden, Philippines

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | Valencia Observatory Garden, Philippines

By Hassan Dadashi.arani | Esfahan.iran