Helix Nebula
The closest planetary nebula to earth and the largest in apparent size makes this nebula a favorite. Unfortunately it is not so easy to see from our latitude. I captured this image as it skirted the trees on the south side of my backyard.
Details
20161104 in my backyard, Victoria BC.
Conditions - clear, calm, 10 deg C and slightly overcast with no wind.
Equipment - Modified Canon 6D on 105mm F/7 WO refractor. Celestron AVX mount unguided.
Exposure -27 min of exposure consisting of 44 30s frames at ISO 3200 and 5 1m frames at ISO1600.
Processing in Images Plus and Photoshop.