Messier 23 - Open Cluster
Here is a view of the open cluster Messier 23 (M23) in the constellation Sagittarius. It is about 2,150 light years away and contains about 150 stars in the group.
Tech Specs: Sky-Watcher Esprit 120mm ED Triplet APO Refractor, Celestron CGEM-DX mount, Canon 6D stock camera, ISO 3200, 15 x 60 second exposures with dark/bias frames, guided using a ZWO ASI290MC and Orion 60mm guide scope. Image date: September 2, 2018. Location: The Dark Side Observatory, Weatherly, PA, USA.
Messier 23 - Open Cluster
Here is a view of the open cluster Messier 23 (M23) in the constellation Sagittarius. It is about 2,150 light years away and contains about 150 stars in the group.
Tech Specs: Sky-Watcher Esprit 120mm ED Triplet APO Refractor, Celestron CGEM-DX mount, Canon 6D stock camera, ISO 3200, 15 x 60 second exposures with dark/bias frames, guided using a ZWO ASI290MC and Orion 60mm guide scope. Image date: September 2, 2018. Location: The Dark Side Observatory, Weatherly, PA, USA.