Best of AOP - Star Clusters


This is one of the largest known globular clusters in the Milky Way galaxy. Under good seeing conditions and dark skies, binoculars can quite easily distinguish this object as a cluster. It is located about 33,000 lightyears away from us toward the constellation Aquarius.

Star map is navigable within this page.

Last Updated: 24-Jun-2014

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About This Image

Click on image for larger version.


20in RC Optical Systems telescope Operating at f/8.1

Paramount ME Robotic Telescope Mount

SBIG ST10XME CCD camera with color filter wheel

LRGB color production was used to create this image.

Two iterations of L-R deconvolution (sharpening) algorithm using CCDsharp were applied to the luminance 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 = 25 minutes binned 1x1

Red = 6 minutes binned 2x2

Green = 6 minutes binned 2x2

Blue = 6 minutes binned 2x2

Minimum credit line: Pat and Chris Lee/ Adam Block/NOAO/AURA/NSF