Pictured above is the Omega Centauri star cluster. It is one of the largest and brightest clusters known by astronomers and it is far older than our own sun and many others. It is approximately 18,000 light years away and 150 light years across which is why we are able to see it from so far away. It's magnitude is placed at 3.9 which puts it as one of the brightest things in the sky and it is not necessary to have a telescope or any sort of device to see it, even with a naked eye it is still bright and visible. There are over 10 million stars in the cluster making it the largest one that we are aware of.
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