Best of AOP - Galaxies

NGC 253

NGC 253 is a nearby galaxy at a distance of approximately 8 million light years away. The galaxy is some 60,000 light years in diameter- and its full disk extends beyond the field of view shown here. However, at this resolution (click on image) you can make out many features of this galaxy including: clumpy and dark clouds of gas, bright blue and white star clouds, and pink HII (clouds of molecular hydrogen) regions which are tremendous stellar nurseries. Also note the small galaxy just "above" the disk at the top left of the image.

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Last Updated: 24-Feb-2014

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Sky Location:

About This Image

Click on image for larger version.

Equipment

20in RC Optical Systems telescope Operating at f/8.1

Paramount ME Robotic Telescope Mount

SBIG ST-L-6K 3 CCD Camera w/ AO

LRGB color production was used to create this image.

Luminance = 70 minutes binned 1x1

Red = 20 minutes binned 2x2

Green = 20 minutes binned 2x2

Blue = 20 minutes binned 2x2

Minimum credit line: George Hatfield/John Zum Brunnen and Steve Peterson/NOAO/AURA/NSF