M14 - Globular Cluster in Ophiuchus

M 14 (NGC 6402) is a globular cluster located in the contellation Ophiuchus. It was discovered by Charles Messier in 1764. It was originally described as a nebula. William Herschel resolved the cluster into individual stars in 1783. M 14 lies approximately 30,000 light years away and has a diameter of 100 light years. It contains 150,000 stars. Several variable stars are contained within.

Globular clusters reside in the halo around most galaxies. They contain some of the oldest known stars.

Telescope: TS-10 f/5 Newtonian
Camera: Modified Canon 650D
Mount:  iOptron CEM60
Exposures: 29 @ 4 min.
Processing:  Images were focused using the camera's live view. Frames were calibrated in Photoshop. They were aligned and combined in ImagesPlus. The composite image was adjusted in Photoshop. Topaz Detail and DeNoise were applied.
   
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