Best of AOP - Star Clusters


M5 is arguably one of the best globular clusters in the sky visible from the northern hemisphere. These balls of stars (upwards of a million members) orbit our galaxy tens of thousands of light years distant. This particular cluster is approximately 26,000 light years away and is estimated to be 13 BILLION years old (*whew*).

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.


16in RC Optical Systems telescope Operating at f/8.4

Paramount ME Robotic Telescope Mount

SBIG ST10XME CCD camera with color filter wheel

LRGB color production was used to create this image.

One iteration of L-R deconvolution (sharpening) algorithm using CCDsharp was 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 = 16 minutes binned 1x1

Red = 8 minutes binned 2x2

Green = 8 minutes binned 2x2

Blue = 8 minutes binned 2x2

Minimum credit line: Sally and Curt King/Adam Block/NOAO/AURA/NSF