Bramich, D. M; Figuera Jaimes, R; Giridhar, S; Arellano Ferro, A
(Wiley-Blackwell, 2011-05)
We present the results from 10 nights of observations of the globular cluster NGC 6981 (M72) in the V, R and I Johnson wavebands. We employed the technique of difference image analysis to perform precision differential ...