Here's a pic of Centaurus A showing the supernova 1986g!!!
http://www.aao.gov.au/images/captions/aat052.html
And now look here for a negative image of it showing all that galactic cirrus surrounding it!
Hover the mouse over the pic.
http://www.aao.gov.au/images/deep_html/n5128_d.html
Centaurus A widefield.
http://www.aao.gov.au/images/captions/uks032.html
All pictures were taken by David Malin from the Australian Astronomical Observatory (ASO).