This has been a bogey object for me.
I have never been quite able to get the imaging right on previous attempts.
The spiral arms extend much further out than I expected.
4.5 hrs L, 1 hr R, 1 hr G, 1 hr B, BRC-250 ST-X10ME.
http://users.westconnect.com.au/~sjastro/ngc6744nccopy.html
Clear skies
Steven