Bubble Nebula (NGC7635) in Cassiopeia
(RA 23h 20.7m , Dec. +61°12', 15 x 8 arcmin.)
This nebula originated from massive outflow from Wolf-Rayet star. It is also "surrounded" by larger more diffuse emission nebula. NGC6888 in Cygnus and NGC2359 in Canis Major are other examples of Wolf-Rayet nebulae. NGC7635 is located just 35' SW of M52 open cluster (see finder chart below).
This image was taken on December 17, 1998 from Sooke, BC using Cookbook 245 LDC CCD camera on Celestron Ultima 8 f6.3 telescope, autoguided with Cookbook 211 LDC camera on a piggybacked 500mm f8 telephoto lens. It is composed of W (10 x 4 min.) and CMY (3 x 4 min. each) integrations processed with AIP4WIN. This image was then further adjusted using Lab color space in Corel PhotoPaint 8.
North is to the right.
Map created in Guide 7.0 - 7°45' x 10°. North is up.
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© Jan Wisniewski