Best of AOP - Galaxies

NGC 4699

NGC 4699 is a very tightly wound spiral galaxy with the hint of a bar-like structure in its nucleus. At a distance of 60 million light years away, it resides at the outskirts of the Virgo Cluster of galaxies. Though small, this galaxy is quite bright and makes a good target for amateur CCD imagers. In the past, this galaxy has had a number of bright supernovae explosions and so it makes a good galaxy to keep on eye on for future activity. NGC 4699 is similar in structure to galaxies such as NGC 2775NGC 2841 and NGC 488.

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Last Updated: 03-Apr-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.

Due to a very bright moon (70%)- obtaining a reasonable color balance with minimal color gradients was difficult.

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 = 100 minutes binned 1x1

Red = 20 minutes binned 2x2

Green = 20 minutes binned 2x2

Blue = 20 minutes binned 2x2

Minimum credit line: Michael Vogel and Robert Mitsch/Adam Block/NOAO/AURA/NSF