Hi all,
Seems there maybe a very bright (mag 12.5) Supernova in Leo.
The new object is in UGC5189A (That's UGC NOT NGC)
http://en.wikipedia.org/wiki/Uppsala_General_Catalogue
More can be found at the site below including the discovery image, so just about anyone with a telescope may want to have an eyeball.
http://www.rochesterastronomy.org/snimages/
PeterM.