Best of AOP - Star Clusters

M10

This cluster looks very much like many of the other bright examples in the Messier catalogue. Though often overlooked, this one and M12 are spectacular jewels in the direction of Ophiuchus. From our vantage point we look at these clusters just over (north) of the galactic plane. M10 is estimated to be 16,000 light years away (perhaps 70 light years in diameter).

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Last Updated: 24-Jun-2014

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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 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 = 20 minutes binned 2x2

Red = 5 minutes binned 2x2

Green = 5 minutes binned 2x2

Blue = 10 minutes binned 2x2

Minimum credit line: Michael and Michael McGuiggan/Adam Block/NOAO/AURA/NSF