Histogram of the spectral types of stars observed with BRITE in Fields 1–14. WR stars are placed to the left of the O-type stars in a separate class ‘WR’; the carbon star V460 Cyg is marked with ‘C’ and added to the right of the M-type stars. Blue bars (left sides) illustrate the numbers for the blue-filter observations conducted by BAb or BLb, while red bars (right sides) show the numbers for the red-filter observations carried out by UBr, BTr, or BHr.