filter B, bin 1, night 201004, compared to night 201003, sigma = 0.0016
filter C, bin 1, night 201004, compared to night 201003, sigma = 0.0015
filter I, bin 1, night 201004, compared to night 201003, sigma = 0.0018
filter R, bin 1, night 201004, compared to night 201003, sigma = 0.0016
filter V, bin 1, night 201004, compared to night 201003, sigma = 0.0016