By Armando Caussade | San Juan, Puerto Rico

By Sonali Deshmukh | Omaha, Nebraska, USA

By Dolores Moreno | Highland, CA

By Asha Prasad | Minnesota, USA

By Stephen Montag | Livingston, NJ

By Sudhir Sharma | Stormville, NY

By Mike Barnett | Kingston, NY

By Bill Kozar | Taylorsville, Indiana. USA

By Aaron Li | Richmond, BC, Canada

By Makrem Larnaout | Tunis

By kevan hubbard | Teesmouth Nature Reserve,Co Durham, England

By Hassan Dadashi Arani | Esfahan . Iran

By Eliot Herman | Tucson AZ

By Hassan Abdollahabadi | Chelpo Village , Rivash , Iran

By Jelieta Walinski Ph.D | Desert Bloom Observatory, AZ, USA

By Victoria Bryhan | Corvallis, Oregon