Sh2-140 (hydrogen emission nebula) and edge of dark Cephus Ring cloud – an illusion of a volcano in space.
Image taken using the 32-inch Schulman telescope with STX camera on Mt. Lemmon, AZ. Data capture and reduction by Adam Block, University of Arizona. LRGB processing by JDS using CCDStack and Photoshop CS6
Click for larger view and more details (including purchasing options).
