Best of AOP - Star Clusters


This dense globular cluster can be found in the constellation Sagittarius, about 67,500 lightyears away.

Star map is navigable within this page.

Last Updated: 25-Jun-2014

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About This Image

Click on image for larger version.


20in RC Optical Systems telescope Operating at f/5.5

Paramount ME Robotic Telescope Mount

SBIG ST10XME CCD camera with color filter wheel

LRGB color production was used to create this image.

Digital Development (DDP) via Maxim/DL was also used in order to display the very dim and very bright details of

the image simultaneously.

Luminance = 15 minutes binned 1x1

Red = 5 minutes binned 1x1

Green = 5 minutes binned 1x1

Blue = 5 minutes binned 1x1

Minimum credit line: Ken Siarkiewicz/Adam Block/NOAO/AURA/NSF