Distribution of NGC 104 member stars in the sky. Blue and red points are stars from ground-based photometry, while black points in the center are stars from the HST Large Legacy Treasury Program. The radial cut at 15′ was used to separate the inner from the outer cluster region. Black circles with colored insets represent MS (magenta), SGB (yellow), RGB (green), HB (cyan) and AGB (black) targets (see text for more details).