This is an iimage of NGC7635, also known as the Bubble Nebula. This is an emission nebula about 11,000 light years away in the constellation Cassiopeia. This image was captured using narrowband filters.
September 1 - December 3, 2012
Location: Rancho Hidalgo, NM
Telescope: TEC-140 (F7)
Camera: SBIG ST-8300M
Mount: AP900 GTO
Ha: 17x30 minutes
SII: 18x30 minutes
OIII: 19x30 minutes