Magnitudes limites (AB magnitude) SNR=5. Total exposure of 300s (10 x 30s). February 2017 estimation Filters  Dark night Bright night g 23.26 22.21 r 22.95 22.28 i 22.37 21.85 z 21.52 21.23 y 20.58 J 20.65 H 19.99 gri 23.50 22.74 zy 21.62 21.42 B 23.03 22.00 R 22.79 22.16