Globular Cluster M14

Globular cluster M14, also known as NGC 6402, is a gravitationally bound group of stars located in the constellation Ophiuchus. Discovered by Charles Messier in 1764, M14 is about 30,000 light-years away from Earth. It contains a relatively dense core of stars surrounded by a looser outer region.M14 is classified as a globular cluster due to its compact and spherical shape, similar to other globular clusters in the Milky Way. However, it exhibits some unique characteristics that set it apart. Unlike typical globular clusters, M14 contains a high proportion of blue stragglers—stars that appear younger than the rest of the cluster. This suggests ongoing stellar interactions, possibly due to close encounters or stellar mergers.Observations of M14 have also revealed the presence of a millisecond pulsar—a rapidly rotating neutron star—within the cluster. This discovery has implications for our understanding of pulsar formation and evolution.M14's properties challenge conventional theories about the evolution of globular clusters. Its peculiarities make it a fascinating object of study in the field of stellar and cluster astronomy, shedding light on the dynamic processes that occur within these ancient groups of stars.

Sessions

Total Integration Time:

Aug. 17, 2023 - 64 * 90.0 seconds
Optolong L-Pro

Catalogues

Messier New General Catalogue

Targets

M14 NGC6402

Gear

Telescope: Celestron Nexstar 8se
Camera: ZWO ASI294MC Pro
Mount: Sky-Watcher EQM-35 Pro