Information from NASA
March 21, 2008: A powerful gamma ray burst detected March 19th by NASA's Swift satellite has shattered the record for the most distant object that could be seen with the naked eye.</block> http://science.nasa.gov/headlines/y2008/21mar_nakedeye.htm?list973507
http://science.nasa.gov/headlines/y2008/21mar_nakedeye.htm?list973507