M13 5x20 · 2023-03-20

M13 Hercules Globular Cluster and some "nearby" friends.

M13 Hercules Globular Cluster and some "nearby" friends. From 5 images taken on March 20, 2023. M13 is visible from dark sky sites with the naked eye or more easily with binoculars. It's comprised of several hundred thousand stars (I lost count).
M13 was discovered by Edmond Halley in 1714, and cataloged by Charles Messier on June 1, 1764 into his list of objects not to mistake for comets.

Total image time was 100 minutes.

Exposure	5x20 min.
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	120mm Skywatcher Esprit Refractor on a Celestron CGX mount
Guiding	ZWO ASI224MC using Phd2
Controller	Kstars on MeLe Quieter 3C
Filter	Triad Quad Ultra
Location	Lower Sackville, Nova Scotia.
Date	2023-03-20
PixInsight Processing	Dynamic Background Extractor BlurXTerminator NoiseXTerminator ScreenTransfer Stretch CurvesTransformation