[glenc (Glen)]

APOD has an interesting image today.
Credit & Copyright: Chris Hetlage

http://antwrp.gsfc.nasa.gov/apod/ima...etlage_big.jpg

OC M47 is 1600 light yrs away
PN NGC 2438 is 3000 light yrs and
OC M46 is 5400 light yrs