Best of AOP - Galaxies


M74 is one of the dimmer galaxies in the Messier catalogue. The galaxy is estimated to be 35 million light years away and about the same size as our own galaxy (100,000 light years across). Many bright pink spots line the blue spiral arms. These pink regions are the stellar nurseries from which the bright blue stars in the spiral arms are born.

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Last Updated: 20-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.

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 = 130 minutes binned 1x1

Red = 40 minutes binned 2x2

Green = 40 minutes binned 2x2

Blue = 40 minutes binned 2x2

Minimum credit line: Paul Mortfield and Deitmar Kupke/Flynn Haase/NOAO/AURA/NSF