The brightness difference between Mars and the Helix made this a bit of a challenge. A long exposure was required to get the Helix but Mars was going to make a mess no matter what I did. So, using an 8 point quot;starquot; filter at least added some impact to the photo!br/ Details:br/ 2003 August 30, time not recordedbr/ near Cayley, Albertabr/ Olympus OM-2, 135mm f3.5 lensbr/ Ektachrome E200, 22 minutes at f3.5