This area of glowing hydrogen gas and dust is part of the larger
"Heart Nebula" in Cassiopeia, and forms the bottom point of that
larger heart-shaped structure. It is individually cataloged as
NGC 896.

Image data:
Camera: STL-11000, hydrogen-alpha filter
Exposure: 30 minutes x 11 (5 1/2 hours total)
Telescope: 12.5" Hyperion