Best of AOP - Galaxies

NGC 4438: The Eyes

These interacting galaxies (NGC 4438 on the left and NGC 4435 to the right) lie in the heart of the Virgo cluster. If either of these galaxies was a spiral, such structures were disturbed long ago by gravitational forces due to close encounters with other galaxies and the heavyweight - M87. These galaxies are around 40 million light years away.

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Last Updated: 02-Apr-2014

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About This Image

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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.

The short exposure times meant that slightly different processing steps were taken to display the faintest aspects

of the image (hopefully without making it look too noisy).

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 = 60 minutes binned 1x1

Red = 10 minutes binned 2x2

Green = 10 minutes binned 2x2

Blue = 10 minutes binned 2x2

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