Best of AOP - Galaxies

NGC 197

This group of 4 galaxies is estimated to be 180 million light years away. NGC 197 is the small, central galaxy of the three on the right side of the image. Above it is NGC 192 and beneath is NGC 196. NGC 201 is the spiral galaxy on the left. This group is also known as Hickson 7 and is in the constellation of Cetus.

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Last Updated: 24-Feb-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.

Very poor seeing conditions made the color balance of this image difficult to attain.

Two iterations of L-R deconvolution (sharpening) algorithm using CCDsharp were 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 = 90 minutes binned 1x1

Red = 20 minutes binned 2x2

Green = 20 minutes binned 2x2

Blue = 20 minutes binned 2x2

Minimum credit line: Karen Weiss and Patrice Cooper/Adam Block/NOAO/AURA/NSF