"It will appear about 14 percent bigger in our sky and 30 percent brighter than some other full moons during 2009, according to NASA. (A similar setup occurred in December, making that month's full moon the largest of 2008.)"
and the picture below was captured using 'starry night' mode where the camera will collect certain amount of 'light' at a given period before snapping it. Is even brighter...
(Source: http://news.yahoo.com/s/space/20090109/sc_space/saturdaynightspecialbiggestfullmoonof2009)