It looks like PN are not popular.
Here are the brightest 27 PN in order south of declination +55:
NGC 6853=M27, NGC 3242, NGC 7293, NGC 7009
NGC 6572, NGC 3918, NGC 7662, NGC 7027
NGC 6210, NGC 6720=M57, NGC 6826, NGC 2392
IC 418, NGC 2440, NGC 1535, NGC 6818
NGC 5189, NGC 5882, NGC 1360, NCC 2867
NGC 3132, NGC 6302, NGC 3587=M97, NGC 5315
NGC 650/651=M76, Abell 21, IC 4406
Reference
Kent Wallace
http://www.blackskies.org/intro.html#Files