Astrophotography by Rob

 

NGC 6520

NGC6520 and Barnard 86

Location: Warrumbungle Observatory, Australia (149 11 E, 31 16 S)

Date: 2 and 5 July 2013

Camera: QHY-9 and QHY filters

Telescope: William Optics M120

Frames: Eighteen 10 minute luminance frames and fifteen 300 second exposures for each of RGB.

Processing: Stacked in CCDStack, balanced, curves, highlights, sharpened and increased colour in Photoshop SC5.

Text adapted from APOD: In the centre of the above picture are many of NGC 6520's bright blue stars. They formed only millions of years ago - much more recently than our ancient Sun which formed billions of years ago. On the left is a dark nebula, molecular cloud Barnard 86, from which the stars of NGC 6520 surely formed. This nebula contains much opaque dust that blocks light from the many stars that would have been visible in the background. Surrounding NGC 6520 is part of the tremendously dense starscape in the bulge of our Milky Way Galaxy, the extended halo of stars that surrounds the center of our Galaxy. NGC 6520 spans about 10 light years and lies about 5500 light years away toward the direction of Sagittarius.

 

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