The Bubble Nebula
Constellation: Cassiopeia
Telescope: 8-inch Celestron EdgeHD SCT
Camera: QSI 583
Mount: Takahashi EM-200
Filter: AstroDon 3nm H-alpha filter
Acquisition Date: August 13, 2012
Location: Ball Ground, GA
Exposure Details: 8 - 15-minute subexposures
Processing Software: CCDStack, Photoshop