Best of AOP - Galaxies

NGC 5775

This pair of galaxies is one of the most distinctive pairs of spiral galaxies in the Virgo cluster. NGC 5775 shows us its thin figure, while NGC 5774 displays its spiral arms face-on. These two galaxies are interacting. Close inspection reveals a very dim luminous chain which connects these galaxies. Images from large telescopes have detected star formation occurring between the galaxies. NGC 5775 is also of interest to astronomers that study galactic structures (filaments and gas plumes) that extend perpendicular to the disk. NGC 891 is a similar galaxy that has been investigated in much the same way. NGC 5775 and NGC 5774 are located approximately 73 million light years away.

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Last Updated: 10-Apr-2014

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About This Image

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Equipment

LRGB color production was used to create this image.

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 = 105 minutes binned 1x1

Red = 20 minutes binned 2x2

Green = 20 minutes binned 2x2

Blue = 20 minutes binned 2x2

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