Best of AOP - Diffuse Nebulae

NGC 1491

NGC 1491 is an emission nebula found in the constellation of Perseus. This particular nebula has an 11th magnitude star in its center. The "reddish" color of this object indicates that it is heavily composed of HII. Note how the central star is "blowing" a bubble in the gas that immediately surrounds it. The winds from this star are so energetic that they are breaking up the nebula to left of it in this picture.

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Last Updated: 09-Jun-2014

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About This Image

Click on image for larger version.

Equipment

16in RC Optical Systems telescope Operating at f/8.4

Paramount ME Robotic Telescope Mount

SBIG ST10XME CCD camera with color filter wheel

LRGB color production was used to create this image.

Luminance = 150 minutes binned 1x1

Red = 20 minutes binned 2x2

Green = 20 minutes binned 2x2

Blue = 20 minutes binned 2x2

Minimum credit line: Peter Jackson and Rena Smith/Adam Block/NOAO/AURA/NSF