Hi,
I am not sure how good the line on the gras works, for me they never did.
It took me almost half a year to get the GOTO working on my NEQ6 and what I can say is: forget about lines on the lawn and daytime and compass "polar alignment"! If you can get it working that way, thatīs magical and I admire your skill. All others, I think, use the polfinder scope in the mount during set up at night.
I tried deviation tables, lines on the lawn, drift alignment (without seeing the actual pole, but gave up regularly after about an hour), EQDir with Carte du Ciel to find the alignemnt stars easier, one star alignment etc.
All rubbish imo.
As soon as I moved house and made sure I had clear view to the SCP from the new place (otherwise I wouldnīt have moved there) I got my GOTO working.
The only thing that really works is a levelled tripod, a pair of binos (to find the Octans asterism in suburbia) and the polfinder in the mount. For more accuracy one can then go and start drift alignment.
Attached is a hint to find the asterism as marked in the polfinder.
The moon problem is interesting as I had some issues with it, too. The scope usually slews to everything I want with pretty high accuracy but the moon is sometimes far off (not that I need GOTO to find the friend
)
And do yourself a favour: do the pol alignment as precise as possible, itīll get wrong by itself.
Good Luck!