Helix Nebula NGC 7293
My old desktop finally gave out, and I had not backed up the original files of this shot so they are lost forever. But I do have a low resolution version saved which is displayed here.
Next time I'll shoot this at a longer focal length to get more image scale.
51 x 240 sec ISO 1600
Canon 350D modded
Astronomik CLS light pollution filter
Takahashi FSQ-106N @ f/5
calibrated with 30 dark frames
stacked and aligned in Deep Sky Stacker
finished in PS CS3 and PixInsight Standard