NGC 7635 "Bubble Nebula"

Click image to view entire frame


Telescope: RCOS 14.5” at Rowe, NM

Camera Filters: Red, Blue, Green, Oxygen, Hydrogen

Total exposure: 13 hours

Image width: 1/2 degree

The Bubble Nebula, discovered in 1787 by Sir William Herschel, results from stellar winds expanding outward from a massive, young central star. The surrounding molecular-cloud's radiation, also excited by same star, adds to the scene. In this image, oxygen emissions map to blue and hydrogen to red (with a bit of blue).


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