By Frank Lu | Arlington, Texas, USA

By Chuck Reinhart | Vincennes, IN

By Ragini Chaturvedi | Colts Neck, NJ

By Ragini Chaturvedi | Colts Neck, NJ

By Salil Kawli | Mumbai India

By Dr Ski | Valencia Observatory, Central Philippines

By Tanvi Javkar | Montreal, Quebec, Canada

By Iaroslav Kourzenkov | Halifax, Nova Scotia, Canada

By Isaias gonzalo solis | Gijón

By Olga Zueva | Pittsburgh, PA

By Olga Zueva | Pittsburgh, PA

By Patricia Shaw | Miami County, Ohio

By Deirdre Horan | Dublin, Ireland.

By David Proebstel | Sequim, WA, USA

By Mike Quirke | Tralee, kerry, Ireland

By Mohamed Mohamed | Libya,Tripoli