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





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