By Helio C. Vital | Rio de Janeiro, Brazil

By Eliot Herman | Tucson, Arizona

By Brian Ottum | Arizona desert

By Sarah Nordin | Telok Kemang Observatory, Port Dickson, Malaysia

By Racksmile Salek | Santa Cruz, Bolivia

By Jim Goff | Redwood City

By Vic Breeden | Lone Tree, Colorado, USA

By Pradnya Gharpure | Nagpur, India

By Pradnya Gharpure | Nagpur, India

By Niko Powe | Kewanee ill

By Nancy Ricigliano | LI, New York

By Patricio Leon | Santiago, Chile

By Christopher Samios | Scarsdale, New York, United States

By Deirdre Horan | Dublin, Ireland.

By Garry Hayes | Waterford California

By Nina Gorenstein | West Lafayette IN USA