NGC7635 Bubble Nebula
NGC7635 Bubble Nebula
NGC7635 The Bubble Nebula also known as Sharpless 162, and Caldwell 11, is approximately 7800 light years from earth. It is about 6 light years in diameter. NGC7635 lies in the constellation Cassiopeia. The powerful stellar winds from a Wolf-Rayet Star create the sphericial bubble. A Wolf-Rayet Star is an unusually powerful star, discovered by astronomers Charles Wolf and Georges Rayet. This image is a Ha OII BiColor image.
Crop of NGC7635 Bubble Nebula
Single 20min Ha sub
12 X 20min Ha subs combined
Single 20min OIII sub
16 X 20min OIII subs combined
Scope Planewave 17in
Camera Apogee U16
Mount Paramount ME
Filters Astrodon Ha5nm OIII3nm
Exposures Ha 4hrs OIII 5hrs 20min subs
Location Sierra Nevada Mountains CA. Heavens Mirror Observatory SRO 2011