Cepheid stars in the south should be OK. Examples are:
R Mus :Cepheid mag 5.9 to 6.7 period 7.5 days
XX Cen :mag 7.3 to 8.3 period ~11 days
Both have good comp stars charts on the AAVSO website.
Go here http://www.aavso.org/vsp and plug the star name and select B or C for the chart size.