Best of AOP - Galaxies

M109

M109 is a very dim barred spiral galaxy. Both the central nucleus and outer arms are fairly smooth- devoid of hotspots of star formation. It is estimated that this galaxy is 50 million light years away from us. This image does well to show some detail in the bluer arms with a more yellow interior. To do this galaxy justice longer exposures will be necessary. Other barred spirals in the Messier catalogue include M91M95 and M58.

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Last Updated: 24-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 ST-L-6K 3 CCD Camera w/ AO

LRGB color production was used to create this image.

Luminance = 190 minutes binned 1x1

Red = 60 minutes binned 2x2

Green = 70 minutes binned 2x2

Blue = 80 minutes binned 2x2

Minimum credit line: George Hatfield and Flynn Haase/NOAO/AURA/NSF