An image I took last year which came out reasonably well. What looks like noise is the image is in fact stellar resolution.
http://users.westconnect.com.au/~sjastro/ngc55c.html
It's a BRC-250/ST-10XME combination 90mL, 20m RGB (each) RGB Binned 2 X 2.
Comments welcome
Steven
http://users.westconnect.com.au/~sjastro/small