By Roberto Ortu | Cabras, Sardinia, Italy

By Asha Prasad | Minnesota, USA

By David Hawkes | South Yorkshire, UK

By Sonia Turkington | Reddish, Cheshire

By Victor Rogus | Sedona, Arizona, USA

By Craig Ruark | Peccole Ranch, Las Vegas, Nevada, USA

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

By Sudhir Sharma | Stormville, NY

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

By Aayan Shaikh | Sindhudurg, Maharashtra, India

By Hassan Dadashi.Arani | Qom province. Iran

By Patricio Leon | Santiago, Chile

By Victoria Bryhan | Corvallis, Oregon

By Roberto Ortu | Cabras, Sardinia, Italy

By Kevan Hubbard | Seaton Carew,Co Durham ,England

By Jim Militello | Tucson, Arizona USA