EarthSky Community Photos

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David Hoskin
Halifax, Nova Scotia, Canada
01:20 am

Equipment Details:

Celestron 150mm XLT f/5 reflector, ZWO ASI533MC Pro camera with Optolong L-Pro filter, SkyWatcher EQ6R Pro mount.

Post-processing Details:

40 3-minute lights plus calibration frames were stacked using ImagesPlus; other post-processing was with Photoshop CS2 plus Astronomy Tools plugin, SiriL, PhotoScape X and MS Photo.

Image Details:

Messier 5 is a bright, densely populated, globular cluster that is one of the oldest in our galaxy as most of its stars were formed 12 billion years ago. The young hot blue stars in the cluster are believed to be the result of stellar collisions. Messier 5, which is 24,500 light years from Earth, is located in the constellation Serpens near the star 5 Serpentis.