Globular Cluster in Canes Venatici ... also known as Messier 3.
This beautiful cluster contains a bit more than 500,000 stars and is about 33,900 light-years away. The age of the majority of stars is roughly 8 billion years old, as compared to 4.6 billion years of our sun. I took this image on the night of Saturday, April 27, 2019, with the Celestron 11" telescope at f/7. This is a one-hour exposure. This cluster is located to the upper right of the bright yellow star Arcturus and it is high overhead around midnight in late April.

Celestron 11" telescope

Stacked 30 2-minute images of the cluster to generate a 1 hour exposure