A million stars clumped together into a cosmic snowball, some 50 parsecs across.
Final result on this target. 6 x 5 min and 4 x 10 min sub-exposures. (1 hour 10 mins).
480/80mm f6 refractor. Ioptron ZEQ25GT mount. Autoguided with Orion SSAG/PHD. Canon 60Da @ 800ISO.
Post-processed in PixInsight 1.8 and Photoshop CS3.
If you click on this image and look carefully at the full size version, you can see the “propeller” or “dark Y” at the core of the cluster. This was first noted at Lord Rosse’s “Leviathan” in Ireland. Spiral galaxy NGC 6207 is visible at bottom left.
Published in Stardust (Irish Astronomical Association) 2014:47(3);3