M 13 - the Herculese Cluster
click image for a 50% full size


a wide field image of this popular cluster. Note the two small galaxies at 11 o'clock.... ngc 6207 is the brighter, ic4617 much fainter at mag 15.9
after all, this is in the area of the galaxy clusters... there are several more in this not very deep image.

31 three minute sub-exposures, iso 800, with my Canon 350dG on the Explore ED80 apo at f6
acquired, calibrated, and stacked in Nebulosity 2.1.3, post processed with Photoshop CS3.

Guided with the DSI pro I, PHD, and shoestring GPUSB through my Meade LX200 classic 12 inch at f3.3.