NGC 5584 and SN2007af

Click photo to see a larger image.
Description: This image of spiral galaxy NGC 5584 shows a supernova that was discovered on 1 march 2007 by Koichi Itagaki. The discovery image can be seen below. Also available is an informational page by the ESO group. A supernova is the death of a star that ends in a cataclysmic explosion. This is a type 1a supernova.
Constellation: Virgo
Distance: ~75 million light years
Dates: 29 and 30 march 2007
Equipment: 12" RC @ f/9, AP1200, ST10XME
Exposure: Luminance: 3 hours unbinned (Astrodon filter)
Notes: Imaging conditions were less than perfect. In addition to the Moon being bright and nearly full, there were some high, thin clouds and gusty winds.

The discovery image of Koichi Itagaki.