NASA’s Wide-field Infrared Survey Explorer (WISE) telescope has captured a beautiful picture of several nebula, including NGC 6726, NGC 6727, NGC 6729, IC 4812. The area in the image is located between the constellation Sagittarius and Corona Australis. The image to the right then covers more than the are of twelve full moons.
The green nebula at the top of the image, which reminds me of the Northern Lights, is a star forming region. The dust in the area is being warmed by the light of new born stars.
The bright region in the lower center is called the Coronet Cluster. It is located approximately 420 light-years away. That makes it 3.5 times closer to Earth than the Orion Nebula.
To the left of center is a circular region of blue dots. This is a globular star cluster called NGC 6723, which is approximately 29,000 light-years away.
All four infrared detectors aboard WISE were used to make this image. Color is representational: blue and cyan represent infrared light at wavelengths of 3.4 and 4.6 microns, which is dominated by light from stars. Green and red represent light at 12 and 22 microns, which is mostly light from warm dust.
Image Credit: NASA/JPL-Caltech/WISE Team
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