Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on May 4, 2005, from observations taken between December 12, 2004, and March 11, 2005.
== Odkritje in imenovanje ==Luno Bergelmir so odkrili Scott S. Sheppard, David C. Jewitt, Jan Kleyna in Brian G. Marsden 4. maja leta 2005 na posnetkih, ki so jih naredili med 12. decembrom 2004 in 9. marcem 2005.