![M13 - head](https://astrophotography.pekdar.net/wp-content/uploads/2019/11/m13_head-768x435.png)
M13 – Cluster of Hercules
Same Light frames (made 30.3.2019) has been processed but with new technique. M13 –Cluster of Hercules – Brightness is 5.8 Magnitude. The cluster’sdiameter is 145 light years! The distance from the ground is 25.1thousand light years. Photographs (March 2019) made in Zwardoń. A standard place of meetings of the Polish