Beasts of the Southern Wild: Discovery of nine Ultra Faint satellites
... but could be approximately estimated from the source
number counts in g, r, i filters. These number counts
peak at magnitudes 23.7, 23.6, 22.9 in g, r, i correspondingly, indicating that the catalogues start to be significantly affected by incompleteness at somewhat brigher
magnitudes g∼23.5, r∼23.4 ...