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Science

longship

(40,416 posts)

1. Here's NGC 6496.

Reply to Judi Lynn (Original post)

Tue May 14, 2013, 06:53 PM

May 2013

It has been classified as a globular cluster, but it doesn't look very much like one to me. However, its other characteristics are similar to globulars. It's old. It is part of our local galaxy, but outside of the spiral disk.

For comparison, this is Messier 13, often called the Hercules Cluster, the largest globular cluster in the northern skies.

I've seen this through my telescopes many times. It is truly beautiful. Lots of sparkly points of light, like a plate of diamonds.

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New Laser Vision Helps Telescope Probe Distant Star Cluster [View all] Judi Lynn May 2013 OP

Here's NGC 6496. longship May 2013 #1

Messier 13 is unbelievable! Thanks for the image. n/t Judi Lynn May 2013 #2

Creates an "artificial star", used for measuring, then compensating for, atmospheric turbulence. eppur_se_muova May 2013 #3

Ah, thanks Canuckistanian May 2013 #4

Thank you. n/t Judi Lynn May 2013 #5

The laser is used as a reference to change the shape of the telescope primary mirror. Ptah May 2013 #6