Abell 2151 - the Hercules Galaxy Cluster
click the image for a cropped view that includes ic1182 and the jet,
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another try at these faint whispies.... this group of about 100 galaxies lies nearly 570 million light years from earth.
My image covers about half of the field and shows galaxies to greater than magnitude 20.4.

19 ten minute sub-exposures, iso 1600, with my Canon 350dG on theMeade LX200 classic 12 inch at f6.8.
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 theVixen ED80 at f7.5