NGC225 is the open star cluster left of center, near the interesting reflection nebula vdB4. Some sources say vdB4 is a dark nebula that is reflecting the light from the stars in the cluster. There appears to be a lot of faint dust and hydrogen in this area, that this image just starts to reveal.
Acquisition Details
LUM = 69x10min
OSC = 55x10min
Total = 20hrs 40min