Infrared image of the planetary nebula BD+30 3639 11/09/2000
This infrared image at a wavelength of 2.2 microns shows radiation from dust grains at a temperature of -170 degrees Celsius. The dark red ring in the center of the image is an instrumental artifact.
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Image Credit: UH/IoA/Gemini.  
This infrared image at a wavelength of 2.2 microns shows radiation from dust grains at a temperature of -170 degrees Celsius. The dark red ring in the center of the image is an instrumental artifact. Scale: Image is 6.6 arcsec on a side. (1 arcsec = 230 billion kilometers at a distance of 5000 light years.)  
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