Best of AOP - Galaxies

NGC 4535

NGC 4535 is a fantastic face-on spiral with clearly defined arms. Note how the young bright blue stars define the arms- along with pink knots of emission nebulae in the galaxy. The galaxy was studied as part of the Hubble Space Telescope Extragalactic Distance Scale Key Project. Astronomers studied luminous Cepheid variables in this galaxy and estimate its distance to be about 52 million light years away. Also note the handful of background galaxies in the image. Pretty incredible!

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Last Updated: 02-Apr-2014

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About This Image

Click on image for larger version.

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.

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 = 30 minutes binned 2x2

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