NGC 1931 Sector PD-S b4-0 Soul Sector JC-V c2-16 Heart Sector BA-A e16 NGC 281 Sector PD-S b4-0 Bubble Sector LX-T b3-1 S171 19 Cave Sector JH-V c2-8 2MASS J21384622+5720380 North America Sector WU-O b6-2 Sadr Region Sector DL-Y d1 Veil East Sector DL-Y d37 Veil West Sector DL-Y d68 BD+22 3878