Best of AOP - Star Clusters


M53 is relatively lonely in the constellation of Coma Berenices. The nearby neighbor M3 is often observed instead. However this cluster deserves a brief visit in the telescope at least once. Although dim in appearance, this cluster is actually quite large at 250 light years in diameter. Its faintness and small size are attributed to its remote distance of 60,000 light years.

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Last Updated: 25-Jun-2014

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About This Image

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Meade 16in LX200 telescope operating at f/6.3

SBIG ST8E 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 = 30 minutes binned 2x2

Red = 6 minutes binned 2x2

Green = 6 minutes binned 3x3

Blue = 12 minutes binned 3x3

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