By Victor Rogus | Sedona, Arizona, USA

By Ross Stone | Yosemite National Park, CA, USA

By CAIRBRE Ó CIARDHA | Killiney, Co. Dublin Ireland

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

By Stefan Seyb | Oak Creek Preserve, Corvallis, Oregon

By David Mitsky | Shepherdstown, PA, USA

By Anthony Lombardo | Southampton, NY, USA

By Asha Prasad | Minnesota, USA

By David Hawkes | South Yorkshire

By Kevan Hubbard | Teesmouth Nature Reserve,Co Durham ,England

By Victor Rogus | Sedona, Arizona, USA

By Teresa Molinaro | Sicily, Southern Italy

By James Slezak | Hampton Bays, NY, USA

By Bill Kozar | Taylorsville, Indiana. USA

By Gontran Eleizalde | Caracas, Venezuela

By Douglas Borcoman | Sedona, AZ