Best of AOP - Galaxies

NGC 520

Galactic police would have a difficult time trying to determine which of these two galaxies caused the collision. At an estimated distance of 100 million light years away the light that we now receive took a significant time compared to how quickly the shape of this interaction is evolving. Most likely the tidal tails of this pair have grown dramatically and perhaps even more star formation is taking place in the heart of the mass. Note the dusty foreground dust lanes and the galaxies that are severely reddened (bottom left tail). Another similar example of colliding galaxies is NGC 4038.

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Last Updated: 25-Feb-2014

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About This Image

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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.

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 = 75 minutes binned 1x1

Red = 15 minutes binned 2x2

Green = 15 minutes binned 2x2

Blue = 15 minutes binned 2x2

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