By Mohammed Abdallah | Suez, Egypt

By Marisol Perez | Spring Hill, Florida

By Craig Ruark | Summerlin, Las Vegas, Nevada

By Mac Campbell | Clark Fork, Idaho

By Hassan Dadashi Arani | Esfahan province. Iran

By Colin Lester | Leicester, UK

By Bill Kozar | Taylorsville, Indiana. USA

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

By Eliot Herman | Tucson, AZ

By Guido Santacana | San Juan, Puerto Rico

By Lorraine Boyd | Cohoes, New York

By Eliot Herman | Tucson AZ

By Mark Wralstad | Virginia Beach, VA, USA

By Sheryl R Garrison | Waterton Lakes National Park, AB CA

By Victor Rogus | Sedona, Arizona, USA

By Craig Ruark | Spring Mountain Range west of Las Vegas